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Handling Server Side Validation Errors

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Greg
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Greg asked on 08 Jul 2014, 05:48 PM
I have server side business logic validation that throws an exception when validation rules fail. How do I catch this on the client side?

This is using a RadGridView with a QueryableDataServiceCollectionView data source in an MVVM application. I can see the error message formatted into XML inside the resulting clientside AggregateException, but this exception occurs inside a Telerik DLL and I don't see how/where to catch and handle it.

Thanks.

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Maya
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answered on 10 Jul 2014, 07:22 AM
Hello Greg,

Generally, this depends entirely on your exact implementation and the validation mechanism you are working with. What you can try though is to handle CellValidating/CellValidated events of the grid or RowValidating/RowValidated and verify whether they would be appropriate for your scenario ?


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Maya
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Greg
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answered on 10 Jul 2014, 04:16 PM
My team is going to add the business logic project as a reference in the client solution so the rules can be accessed by the client without a trip to the server yet still we only code the business logic in one place.

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