Showing WebAPI Validation Errors with ExtJS 6

Let’s say you use model validation with ASP.NET WebAPI and you are serving a client side application written in Sencha’s ExtJS.  To show those errors like this: You need to add a ValidationActionFilter to your startup code as follows: [crayon-59c118b4d5921582217208/] [crayon-59c118b4d5936772827762/] And then, you can have your ExtJS code do something like the following to display the error: [crayon-59c118b4d5940993382028/] [crayon-59c118b4d5948589631043/] And you can run it yourself at the Sencha Fiddle: HTH's … Continue Reading


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