I’ve also run bootcamp native and had some hanging also, but not as bad as Fusion.

Anyone else have similar experiences?  Any suggestions?  I’ve heard that macbook’s are awesome at running windows 7.  So far, I have not experience that. 

Some Background

Years ago, my friend Bill Venners of Artima told me a life long lesson that I always seem to forget.  He said that when people design installation programs, they always thoroughly test the “default” installation but not all the corner cases around custom options.

Today, while configuring my new MacBook (Best Windows 7 Computer Laptop they say), I learned this lesson all over again.  So, here is the story.

How To Split Your Hard MacBook Primary Drive 50/50, IOS Lion and Windows 7

My thinking is that I need to first allocate a NTFS partition on the MacBook that takes half my hard drive and let the OSX Lion install take over the rest.  After about 10 iterations of IOS complaining that it did not have enough resources, I finally decided to take a step backwards and ask myself “how would my mom be able to do this?” and we all know that Mac’s are designed for my mom.  So, with that thinking, I just let the IOS Lion install take over the entire disk.  Then I ran the Boot Camp Assistant.  It asked me how much of my hard drive I wanted for Windows, I said 50% and everything ran perfect.  No partition magic, no special setup, just take the defaults with bootcamp!

So, I know it’s hard to believe, but I am actually considering getting a Macbook to use as my main development computer.  The reason is I’m using some beta mobile development tools that only support the Mac.  The problem is that if I don’t use these tools and incrementally build my app with them, I will get my app far out of wac (wac being a technical term) that I will never be able to get it back in wac again. 

So, I have a good friend who is a Mac wizard and I thought I’d ask him a question.  Below is my question and his answer.  Keep in mind, my friend is very technical in the Mac world.

Question from me (PC Guy):

I’ve been trying to figure that out for myself which Mac model to get.  If I get one, I want SandyBridge or later.  I think that’s quad core, but hard to tell.  Apple just seems to give dates on the refurbished site for their computers.  It’s also good to know they work with 16gb ram.  I need that because I run big fat windows VM’s.  The other thing I can’t quite figure out is if the 15’s support 2 drives internally if you are willing to forego the optical drive.  I like to run the boot drive as SSD (SATA3) and the secondary drive as just a normal SATA2 or SATA3.

My Friends answer (MAC Guy)

You’re talking like a pc guy. Pick the prettiest one.

My 700+ twitter buddies to the rescue.

I tweet: 

And, within about 5 minutes comes back:

Not to mention from Facebook, another one because my tweets go to Facebook also.

At any rate, I had 3 different people testing my app on an Ipad1 within 15 minutes.

Totally awesome and thank you social buddies!

Getting Your Links To Show

Put a link on your Blog Post, Company Web Site, Facebook Page, etc.

Once People Click On Your Link, Now What

Scott Hanselman posted a while back about a browsers definition problem with some ASP.NET sites that causes problems.  Microsoft has articles on this also.  Having just received my BUILD tablet that includes IE10, I tested the Silicon Valley Code Camp web site and discovered that when you login, then switch to another page, the login did not stick.  After uploading the two files Scott mentions (firefox.browser and ie.browser), the problem goes away.

Thanks Scott for the heads up.

Well, I’m sure that .Net is a part of Windows 8. I also now know that if you want to continue to write c# or vb code for the “new” part of Windows 8 (Metro) you can, however Microsoft has created a new API they are calling WinRT.   WinRT does have a full CLR and the languages c# and vb will be supported.  However, the API you call has changed.  Miguel has a great article that explains much of this here:  http://tirania.org/blog/archive/2011/Sep-15.html

It’s a brave new world!  Much has changed, much is the same.

Something that may not be obvious is if are creating an asp.net WebForms project and you put a datasource such as SqlDataSource or ObjectDataSource for example on the page, how can you prevent the SqlSelect associated with that datasource from being triggered.

The answer is to set the control’s visible property to false.  That’s it!

The Why

The reason you might want to do this is for a case where you have a public facing web page that might be easily subjected to a denial of service attach.  If that web page is always causing some SqlDataSource to fire, you could easily find your SqlServer overloaded.  At least by checking to see a user is logged in before firing the sql statement, you buy yourself a little bit of protection.

The Code

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    protected void 
        GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {

    }

    protected void Page_Init(object sender, EventArgs e)
    {
        if (!Context.User.Identity.IsAuthenticated)
        {
            GridView1.Visible = false;
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
            ConnectionString="<%$ ConnectionStrings:CodeCampSV06 %>" 
            SelectCommand=
            "SELECT [Id], [Username], [Email] FROM [Attendees] ORDER BY [Id] DESC">
            </asp:SqlDataSource>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
            DataKeyNames="Id" DataSourceID="SqlDataSource1" 
            onselectedindexchanged="GridView1_SelectedIndexChanged">
            <Columns>
                <asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False" 
                    ReadOnly="True" SortExpression="Id" />
                <asp:BoundField DataField="Username" HeaderText="Username" 
                    SortExpression="Username" />
                <asp:BoundField DataField="Email" HeaderText="Email" 
                SortExpression="Email" />
            </Columns>
        </asp:GridView>
    </div>
    </form>
</body>
</html>

(AKA, how to not use templates to do a simple GridView Column Formatting)

This post is inspired by another post on did on GridView date formatting years ago.  It’s still very popular.

If you are like me, you don’t like using GridView Templates because it makes you write ugly verbose code.  In this post, I’ll show you how to do a quick customization of the BoundField asp.net  server control.  That is, the one you typically see in GridView as follows:

What we plan to do, is to create a custom control that looks like the following:

and will end up displaying data in a table that looks like the following:

So, one approach could be to simply convert the second column into a template with GridView and build a function to call that converts the column from numbers like 267030000 to 267.3 MB.  To do that, the code on the GridView will look like the following:

And, the code behind will be as follows:

namespace GridViewExtendedBoundField
{
    public partial class WebForm2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected string FormatToBytes(long bytes)
        {
            return FormatBytes(bytes);
        }

        public string FormatBytes(long bytes)
        {
            const int scale = 1024;
            var orders = new string[] { "GB", "MB", "KB", "Bytes" };
            var max = (long)Math.Pow(scale, orders.Length - 1);
            foreach (string order in orders)
            {
                if (bytes > max)
                    return string.Format("{0:##.##} {1}", decimal.Divide(bytes, max), order);
                max /= scale;
            }
            return "0 Bytes";
        }
    }
}

<%@ Register Assembly="CustomControls"  Namespace="BoundControls" TagPrefix="cc1" %>
...
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
           DataKeyNames="Id,Bytes" DataSourceID="ObjectDataSource1">
  <Columns>
    <asp:BoundField DataField="Id" HeaderText="Id" ReadOnly="True" 
       SortExpression="Id" />
    <cc1:BoundFieldBytesDisplay DataField="Bytes" FormatAsFancyBytes="true"   >
    </cc1:BoundFieldBytesDisplay>

The actual custom control you have to include is simply in library reference by the Assembly CustomControls (where you can put other stuff like this).  That code is as follows:

using System;
using System.Web.UI.WebControls;

namespace BoundControls
{
    public class BoundFieldBytesDisplay : BoundField
    {
        public bool FormatAsFancyBytes
        {
            get
            {
                if (ViewState["FormatAsFancyBytes"] == null)
                {
                    return false;
                }
                return (bool) ViewState["FormatAsFancyBytes"];
            }
            set { ViewState["FormatAsFancyBytes"] = value; }
        }

        protected override string FormatDataValue(object dataValue, bool encode)
        {
            if (!FormatAsFancyBytes)
            {
                return base.FormatDataValue(dataValue, encode);
            }
            else
            {
                return FormatBytes(Convert.ToInt64(dataValue));
            }
        }

        /// <summary>
        /// http://sharpertutorials.com/pretty-format-bytes-kb-mb-gb/
        /// </summary>
        /// <param name="bytes"></param>
        /// <returns></returns>
        public string FormatBytes(long bytes)
        {
            const int scale = 1024;
            var orders = new[] {"GB", "MB", "KB", "Bytes"};
            var max = (long) Math.Pow(scale, orders.Length - 1);
            foreach (string order in orders)
            {
                if (bytes > max)
                    return string.Format("{0:##.##} {1}", decimal.Divide(bytes, max), order);
                max /= scale;
            }
            return "0 Bytes";
        }
    }
}

That’s basically it!  Notice that in the custom control, all we have done is defined a property named “FormatAsFancyBytes” so we can set that to true.  Once that happens, we simply call the FormatBytes method and it does the job we expect. If we have “FormatAsFancyBytes” false, or left out, then this control will perform identically to a BoundField control because we are calling the base class.

Keep in mind, you can add all kinds of special properties now to this control to handle all sorts of formatting that might be common to your business.

Here is the sample project build with Visual Studio 2010 that demonstrates the above code.

In this article, we will  build from scratch, using Visual Studio 2010 Beta 2 a simple application that lets us view Silicon Valley Code Camp Attendees that have authorized us to share their data.  We will be using no special RIA Services Visual Studio 2010 design tools to do this.  We will:

• Create the Entity Framework Repository
• Create the Domain Service
• Wire up an Appropriate Get Method that Returns in IQueryable
• Call From the Client Code the Domain Service
• Show The Results
• Observations

First, we need to create a new Visual Studio Project.  We do that by using the File/New Project and chose “Silverlight Business Application”.

Create The Entity Framework

Then, we need to create an Entity Framework Repository that will be the target of our Domain Service.  We do that by adding to the web project (not the top, Silverlight project), we just created and “ADO.NET Entity Data Model”.  We’ll call it ModelSVCC for Model Silicon Valley Code Camp.

We use the option “Generate From Database” as follows:

Choose the appropriate connection (in our case svcodecamp on our local Sql Server 2008 database).

For simplicity, choose all tables and views as follows.

Do a Rebuild/All to make sure all the template code get’s generated and we are done with our first step.

Create the Domain Service

Next, create the Domain Service.  This is done by adding again to the web project the Domain Service as follows.

Name it DomainServiceSVCC.cs again for Silicon Valley Code Camp.

Next check all tables and views, make sure “Enable Client Access” is checked and also “Generate associated classes for meta data”.  Enable Client Access adds an attribute to the generated domain class which tell Visual Studio (on building) to generate the same domain classes on the client (Silverlight) side.  This means that you are writing both your client and server code at the same time!  Very convenient.

Now, to the method generated in the Domain Service class add an OrderBy Linq command so that the method GetAttendeesWithShare has an implicit order and Skip and Take LINQ will work and the total number of records can be easily obtained (notice the yellow highlighing is the code we added, the rest was there before).

Finally, Rebuild/All again and we are done creating the domain service class for this example.

Wire up an Appropriate Get Method that Returns in IQueryable

Now that we have our Domain Service built on the Server side (and of course it get’s exposed on the client side with Visual Studio 2010 template generating magic), we can go to one of the pages built in the default template, add a Silverlight DataGrid and assign our Domain Context to that. Let’s add the list of attendees to our Home Page.  We do that by going to the View\Home.xaml file and simply add a DataGrid tag to the page (see below highlighted in yellow, we simply typed that in or could have dragged it from the toolbar if we are so included).

Then, we go to the code behind of this page and add the following code to the “OnNavigateTo” enent of the Home.xaml page.

 var context = new DomainServiceSVCC();
 dataGrid1.ItemsSource = context.AttendeesWithShares;
 context.Load(context.GetAttendeesWithSharesQuery());

Now, when we rebuild all and run, we get:

When we click on the Id’s column header, we get the data sorted in reverse Id order, even though we never code an event for that!

Observations

So, what have we done?  Well, we’ve done a lot. first, we’ve create a Domain Service that uses WCF on the server side.  We created code on the Silverlight client that called this domain service.  We got databinding right through to our output.  Be very clear that in our code we added to the OnNavigate Event (repeated here)

we made a clear step across the network boundary.  We created the DataService context and when we loaded it, all the async magic just happened for us.  No wsdl’s, proxies to code, keep updated, etc.  All that actually happens for us, but we don’t have to worry about it.  I think I’m in love.

In this article, we will use the the Visual Studio 2010 Beta2 Tooling to create a Sessions DataGrid.  We will add a Pager to it as well as a Silverlight busy indicator which will show while the data is loading.  In Article 1, we build a simple DataGrid with code behind, in this article, it will all be declarative in XAML built with the Visual Studio 2010 designer.

First thing we need to do is add a new Silverlight Navigation Page to the Silverlight project (not the web project) in the Views folder.

Then, copy the code from the Home Page to get the top two default sections that appear on every page as follows:

And the actual code:

<StackPanel x:Name="ContentStackPanel"
            Style="{StaticResource ContentStackPanelStyle}">
    <TextBlock x:Name="HeaderText" Style="{StaticResource HeaderTextStyle}"
               Text="{Binding Path=ApplicationStrings.HomePageTitle,
               Source={StaticResource ResourceWrapper}}"/>
    <TextBlock x:Name="ContentText" Style="{StaticResource ContentTextStyle}"
               Text="Home page content"/>
    <Image Height="393" Name="image1" Stretch="Uniform" Width="467"
               Source="/Presentation1;component/Images/IMG_1504.JPG" />
</StackPanel>

Change text to “Speaker page content” and change the resource string to ApplicationString.SpeakerPageTitle and update the ApplicationStrings.resx file as follows:

Then, drag a DataGrid to the Speaker.xaml design surface (after removing the image tag which was the picture on the home page we copied over).

Now, we do what Microsoft calls “Connect the Dots DataBinding”.  That is, we go to the Data Sources Tab

Drag the SpeakersShort2009 box (shown in yellow below) to the DataGrid showing on the design surface.

That automatically creates a bunch of xaml including the RIA Domain DataSource, which includes a reference to the correct query method and the correct Domain Context.  Very nice!

<riaControls:DomainDataSource AutoLoad="True" Height="0"
                                      LoadedData="speakersShort2009DomainDataSource_LoadedData"
                                      Name="speakersShort2009DomainDataSource"
                                      QueryName="GetSpeakersShort2009Query" Width="0">
            <riaControls:DomainDataSource.DomainContext>
                <my:DomainServiceSVCC />
            </riaControls:DomainDataSource.DomainContext>
        </riaControls:DomainDataSource>

Now, we do the same thing with the DataPager (which may have to add to the toolbox with “Choose Items” That gives us some xaml that looks like the following.

<data:DataPager Height="26"
                HorizontalAlignment="Left" Margin="720,325,0,0"
                Name="dataPager1" VerticalAlignment="Top"
                Width="200"
                PageSize="10"/>

Notice that I put PageSize in.  That does not happen by default, and in my presentation, I forgot this and for a while could not figure out why the paging was not working.  Try and not make the same mistake!

Then, drag the same DataSource as we dragged to the DataGrid and drop it on the Paging control as follows:

That automatically binds the DataPager to the same DomainDataSource as the DataGrid’s DomainDataSource.  Here is the XAML created.

 <data:DataPager Height="26" Name="dataPager1" Width="200"
   Source="{Binding ElementName=speakersShort2009DomainDataSource, Path=Data}" />

The next thing is to use the new “Reset-All” for styling.  It’s very simple.  Right click on the design surface and simply click “Layout/Reset” as follows:

Now, when we run this, we get:

Finally, to put a “Busy Indicator” control on the page, we simply drag out the busy Indicator onto the design surface. It likely will not be in your toolbox, so like the DataPager, you will need to add it to the toolbar as follows:

Then, drag it from the toolbox right onto the DataGrid as follows:

Then, once it’s on the DataGrid (and in the XAML), you need to right click on it and change some of it’s properties.

First, set the “IsBusy” property by checking the checkbox, then resize the control itself so it shows the text and is a pleasant size.

The next step is a little more tricky.  You need to find the property in the BusyIndicator called DataContext. Right click on that as follows and press “Apply Data Binding”.

Now, you are setting the Source so first select “ElementName”, then chose speakersShort2009DomainDataSource as follows:

Then, go to the “Path:” and set the property “DomainContext” and the method to “IsLoading” as follows:

What this has done is created a binding expression using a very nice Visual Studio 2010 Tool.  It’s assigned that binding expression to the DataContext of the DomainDataSource.

<riaControls:DomainDataSource AutoLoad="True" Height="0"
         LoadedData="speakersShort2009DomainDataSource_LoadedData_2"
                              Name="speakersShort2009DomainDataSource"
                              QueryName="GetSpeakersShort2009Query" Width="0"
   DataContext="{Binding ElementName=speakersShort2009DomainDataSource, Path=DomainContext.IsLoading}">
    <riaControls:DomainDataSource.DomainContext>
        <my:DomainServiceSVCC />
    </riaControls:DomainDataSource.DomainContext>
</riaControls:DomainDataSource>

Now, when we finally run our program, we first get the busy indicator as the data is being asynchrously loaded which looks like this:

Then, when the data finally loads, looks like the following:

Notice the paging control at the bottom, and notice the BusyIndicator has gone away.

That’s it for this article.  In the next article, we will style this page as well as add Converts to show the Speakers picture and add a hyperlink to the sessions associated with each speaker.

Below is some simple code that lets me do this.  Notice, it’s important to call StackTrace with true, otherwise the line numbers don’t appear.

HTH’s!

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            TestClass.GoNow();
        }
    }

    class TestClass
    {
        public static void GoNow()
        {
            var stackTrace = new StackTrace(true);
            foreach (var r in stackTrace.GetFrames())
            {
                Console.WriteLine("Filename: {0} Method: {1} Line: {2} Column: {3}  ",
                    r.GetFileName(),r.GetMethod(), r.GetFileLineNumber(),
                    r.GetFileColumnNumber() );
            }
        }
    }


}

So, what’s wrong with using tabs to signal nesting levels and dispense with semi-colons?  Well, for me, that is just too hard.  I always seem to mess up and my code stops working.  What about line continuations?  I just have to ask why?  Want to continue, just press the return key.  Not much else to remember.

In College, I learned a language called PL/1 (long forgotten) that required semi-colons.  I remember the compiler would constantly spit out errors saying “Maybe you have missed your semi-colon?”.  I use to find that very annoying, but now, that I’m a semicolon lover, I just happily type them at the end of each statement I want terminated.

There are dissenters however.  For example, the TheMightyFavog says “Let’s get rid of it.  Nobody knows how to use the thing anyway”.

Just my 2 cents.

http://www.siliconvalley-codecamp.com (come!)

Thanks for hosting!

At Gayles Deli, then in the Falafel Office

The company I’m now working at is small and we don’t have a lot of resources to maintain hardware and do operating system type support.  We do have a high load requirement so we need a very robust supported solution.  Before this, I’d always been in the under $50 per month type plan with ORCSWeb, but I decided I needed more servers and a higher level of support.  I really did not know what level of support to expect when signing up for the managed servers but decided to go for it anyway.

All  can say is WOW!!!  I am over the top impressed.

We currently have 3 virtual servers hosted at ORCSWeb.  One, we use as a development server, and the other two are in a webfarm configuration.  I’ve always believed that when you go into production with a web site it’s critical you start with 2 servers in a webfarm.  it’s really easy to go from 2 to 10, but can be very painful to go from 1 to 2.   That’s a topic for another post, but suffice it to say, 2 is the minimum.

So, why am I so impressed?  First, the support team they assigned to me is totally awesome.  They all are focussed and competent which is a total relief compared with most hosting companies I’ve dealt with.  Other companies always have good people, but it seems to be the bad ones that really give me cause to remember.  Second, because I paid extra for the full managed support options on our three servers, I’ve been able to ask the things like the following.  Almost all of them I could do myself, but I’m swamped with my technology role in the new company and really appreciate being able to hand stuff like this off.

• I’ve pointed my MX record at my .149 server.  Could you please set up email and create the following 7 accounts.
• Please Setup a secure ftp server at the following address with the following username and password (and make sure the user is locked down to the root)
• Setup DFS Replication between these two directories on .148 and .149
• Create a RoboCopy script that copies files from my dev server to the .149 mirrored directory
• Please set up web statistics for me on http://www.siliconvalley-codecamp.com
• Please figure out why SqlServer 2008 is not letting me access catalog MyStuff1 from user 3p1 and fix
• Please make a replicate of website MyWeb1.com including the sqlserver catalog’s and put it on MyWeb2.com on server .149
• Please replace the sqlserver catalog MyStuff3 on server .149 with the bak file I uploaded to my ftp server
• I could go on and on, but I think you are getting the idea.
• Always with a smile, 24×7, what else can I say.

By the way, if you want to see one of my sites hosted there, go to http://www.siliconvalley-codecamp.com

Thank you ORCSWeb for making things a lot easier for me.

public enum CompanyAddressType
    {
        Unknown = 0,
        Primary = 1,
        Warehouse = 2,
        Distribution_Center = 3,
        Cross_Dock = 4
    }

You want to iterate through the list and put the data into an asp.net dropdownlist.

Here is the simple code:

protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string[] names = Enum.GetNames(typeof(CompanyAddressType));
                var values = (CompanyAddressType[])Enum.GetValues(typeof(CompanyAddressType));
                for (int i = 0; i < names.Length; i++)
                {
                    DropDownListCompanyAddressType.Items.Add(new ListItem(names[i], values.ToString()));
                }
            }
        }

There are probably easier ways to do it, but this works.

and…

HTH’s.

Here are some assumptions:

• My Notebook Computer Simulates a real world web server (Lenovo W500, Vista64, IIS7)
• All Web Pages do 7 LINQ2SQL executions (Heading speak at  VSLive in Vegas so 7 seemed right)
• All Web Requests Do Only LINQ2SQL, no images, css, JavaScript or anything else

OK, maybe my assumptions are not so good, but I believe overall I’m making a good point so I’m going to keep going rather than just say “take my word for it, trust me”.  So, I’m attaching the web project here that let’s you recreate all this so you can do your own tests.  I think you’ll need Visual Studio Team Suite to do these tests.  If you don’t have that, you can at least look at the code.  The guts are in LINQUtils.cs.  I’m going to show the relevant code below.

But before that, here is the Visual Studio 2008 Project Code if you want to try it yourself:

First, The Results

The code is very straight forward.  Below is the code for the LINQ2SQL Not Compiled Test:

  1: public string ProcessLinqQueryNotCompiled()


  2: {


  3:     if (meta == null)


  4:     {


  5:         meta = new DataClassesDataContext();


  6:     }


  7: 


  8:     Stopwatch stopWatch = new Stopwatch();


  9:     stopWatch.Start();


 10: 


 11:     int retCnt = 0;


 12:     for (int i = 0; i < iterations; i++)


 13:     {


 14:         const int companyTypeIdToFind = 1;


 15:         var q3 = from dataCo in meta.Companies


 16:                  where (from dataCt in meta.CompanyCompanyTypes


 17:                         where dataCt.CompanyTypeId == companyTypeIdToFind


 18:                         select dataCt.CompanyId).Contains(dataCo.Id)


 19:                  select dataCo;


 20: 


 21:         var newList = q3.ToList();


 22:         retCnt = newList.Count;


 23:     }


 24:     stopWatch.Stop();


 25:     double milliSecondsPerIteration = Convert.ToDouble(stopWatch.ElapsedMilliseconds)/Convert.ToDouble(iterations);


 26:     return string.Format("Return Cnt: {0} LINQ Executions: {1}      Milliseconds Per Iteration: {2}", retCnt, iterations,


 27:                          String.Format("{0:0.00}", milliSecondsPerIteration));


 28: }

And, the Compiled LINQ2SQL Code:

  1: public string ProcessLinqQueryCompiled()


  2: {


  3:     var stopWatch = new Stopwatch();


  4:     stopWatch.Start();


  5: 


  6:     int retCnt = 0;


  7:     for (int i = 0; i < iterations; i++)


  8:     {


  9:         const int companyTypeIdToFind = 1;


 10: 


 11:         if (meta == null)


 12:         {


 13:             meta = new DataClassesDataContext();


 14:         }


 15: 


 16:         if (_compiledQuery == null)


 17:         {


 18:             _compiledQuery =


 19:                 CompiledQuery.Compile((DataClassesDataContext metax, int myQuery) =>


 20:                                       (from dataCo in metax.Companies


 21:                                        where (from dataCt in metax.CompanyCompanyTypes


 22:                                               where dataCt.CompanyTypeId == companyTypeIdToFind


 23:                                               select dataCt.CompanyId).Contains(dataCo.Id)


 24:                                        select dataCo)


 25:                     );


 26:         }


 27: 


 28:         


 29:         var query =


 30:             (IOrderedQueryable<Company>)


 31:             _compiledQuery(meta, 1);


 32:         var newList = query.ToList();


 33:         retCnt = newList.Count;


 34:     }


 35:     stopWatch.Stop();


 36:     double milliSecondsPerIteration = Convert.ToDouble(stopWatch.ElapsedMilliseconds) / Convert.ToDouble(iterations);


 37:     return string.Format("Return Cnt: {0} LINQ Executions: {1}      Milliseconds Per Iteration: {2}", retCnt, iterations,


 38:                          String.Format("{0:0.00}", milliSecondsPerIteration));


 39: 


 40: }

Bottom line, You need to compile your LINQ2SQL!

Here are the descriptions:

VM1

Build Blazingly Fast ASP.NET Apps with 100% Clientside UI ExtJS

Peter Kellner

Intermediate

Need a web application that has the responsiveness and interactivity of a forms app but still looks and feels like a web? One of the best kept secrets (at least to the Microsoft community) is ExtJS. It’s a different paradigm then we are all use to, but the results are spectacular. Take a look at this url and you will see as well as learn how to do this yourself. The hardest part is shuttling the data back and forth. A lot of this session will be talking about how to do a real world app that does this. Once you go this way, you’ll be gone from serverside forms for almost ever.

VM10

Building High Performance ASP.NET Web Applications

Peter Kellner

Intermediate

Topics will include appropriate use of Cache and Session State, as well as how and when to use them. Viewstate management and methods to minimize its use will be discussed. Code to pop up a warning when a threshold is met in development will be shown. When and how to take advantage of Server Farms will be discussed, as well as trouble shooting techniques to find problems. The evils of Server Affinity, as well as a common pattern for caching database queries will be shown to be wrong. Time permitting, we will talk about using Microsoft’s Ajax.asp.net with UpdatePanel and webservices and how these affect performance and scalability.

   1: <%@ Master Language="C#" MasterPageFile="~/MasterPages/MasterPage.Master" AutoEventWireup="true"

   2:     CodeBehind="ContactMasterPage.master.cs" Inherits="ThreePLogic.Web.ASPWeb.ContactPages.ContactMasterPage" %>

   3:  

   4: <asp:Content ID="Content5" ContentPlaceHolderID="ContentCenter" runat="server">

   5:         <asp:TextBox ID="TextBoxSearchName" runat="server" Width="200px" CssClass="InputText"></asp:TextBox>

   6:         <asp:Button ID="ButtonSearchName" runat="server" CssClass="SearchBtn" />

   7:         </div>

   8: </div>

In my codebind for my masterpage, I have the following:

   1: using System;

   2: using System.Web.UI;

   3: using System.Web.UI.WebControls;

   4: using ThreePLogic.Data.ThreePLogicAccess;

   5:  

   6: namespace ThreePLogic.Web.ASPWeb.ContactPages

   7: {

   8:     public partial class ContactMasterPage : MasterPage

   9:     {

  10:         public string SearchText

  11:         {

  12:             get

  13:             {

  14:                 TextBox textBoxSearch = Master.FindControl("ContentCenter").FindControl("TextBoxSearchName") as TextBox;

  15:                 if (textBoxSearch != null)

  16:                 {

  17:                     return textBoxSearch.Text;

  18:                 }

  19:                 else

  20:                 {

  21:                     return String.Empty;

  22:                 }

  23:                 

  24:             }

  25:         }

Then, in my page I derive from the masterpage I have the following.  Notice that I include the masterpage type so I can have type safe access to the public property.

   1: <%@ Master Language="C#" MasterPageFile="~/ContactPages/ContactMasterPage.Master"

   2:     AutoEventWireup="true" CodeBehind="ContactCompanyMasterPage.master.cs" Inherits="ThreePLogic.Web.ASPWeb.ContactPages.ContactCompany.ContactCompanyMasterPage" %>

   3:  

   4: <%@ MasterType TypeName="ThreePLogic.Web.ASPWeb.ContactPages.ContactMasterPage" %>

   5:  

   6: <asp:Content ID="Content1" ContentPlaceHolderID="GridContent" runat="server">

   7:  

   8:     <asp:Label ID="LabelSearchMirror" runat="server" Text=""   Visible="false" ></asp:Label>

Then, finally, in the codebehind, this is how I access my search box.  In my case, I assign it to an invisible label, then I can have server side presentation controls, like GridView, access it as a select parameter.

   1: using System;

   2: using System.Web.UI;

   3: using System.Web.UI.WebControls;

   4: using ThreePLogic.Common.Enums;

   5: using ThreePLogic.Web.ASPWeb.Code;

   6:  

   7: namespace ThreePLogic.Web.ASPWeb.ContactPages.ContactCompany

   8: {

   9:     public partial class ContactCompanyMasterPage : MasterPage

  10:     {

  11:         protected void Page_PreRender(object sender, EventArgs e)

  12:         {

  13:             GridViewCompany.PageIndex = UserService.I.GetCookieSelectedId(CookieIdType.CompanyCurrentPage);

  14:             if (!String.IsNullOrEmpty(Master.SearchText))

  15:             {

  16:                 LabelSearchMirror.Text = Master.SearchText;

  17:                 GridViewCompany.DataBind();

  18:             }

  19:         }

Good luck, and hope this helps!

Below are a bunch of pictures from the opening day festivities.