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I struggled a little yesterday to get an Ajax bound grid to respect validation. The samples appeared to work but my grid didn't appear to validate input at all, I was mostly testing in FF, when I switched to IE I started getting script errors.
It appears that if you include ~/Scripts/MicrosoftAjax.js & ~/Scripts/MicrosoftMvcValidation.js then this breaks the Telerik Grid validation (with Ajax binding at least). As these were in my Site.Master I simply created a second master page for grid based pages that excluded these scripts (Using hierarchical master pages would probably be better in the long term)
If there is a better workaround please let me know, otherwise I hope this info helps others who may be struggling to get validation to work in ajax bound grids.
Andrew
It appears that if you include ~/Scripts/MicrosoftAjax.js & ~/Scripts/MicrosoftMvcValidation.js then this breaks the Telerik Grid validation (with Ajax binding at least). As these were in my Site.Master I simply created a second master page for grid based pages that excluded these scripts (Using hierarchical master pages would probably be better in the long term)
If there is a better workaround please let me know, otherwise I hope this info helps others who may be struggling to get validation to work in ajax bound grids.
Andrew