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How to return Custom message from Controller when CRUD action fails?

Platform: ASP.NET MVC |
Control: Grid |
Published Date: November 1, 2016 |
Last Revised Date: November 1, 2016
Tags: ejgrid, grid

In some cases, we may like to return a custom message from the controller after completing CRUD operations such that when an operation fails at server side.

Solution

We can return the custom message from controller by throwing exception and handling it at client side using the ActionFailure event of the Grid.

Grid Rendering Code.

 

Code Behind

 

2. Handle the returned message in the ActionFailure event of the Grid.

 

Solution #2: We can also, add the exception message to the response header and fetch the message in the arguments of the ActionFailure event of the Grid at client side.

 

 

Handle the exception message from the response header using the getResponseHeader method of the args.error argument of the ActionFailure event.

 

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Comments
TAC
Jan 29, 2019

The code below fires correctly on the grid  ActionFailure but the alert message show "Undefined". Please help. I'm using EJ2 version 16.4500.0.48.

2. Handle the returned message in the ActionFailure event of the Grid.

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function failure(args) { 
        alert(args.error.statusText); //get the exception message          
    
  
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