AJAX :: Unable To Update DetailsView?

Apr 8, 2010

I've been following the tutorial from (hxxp://mattberseth.com/blog/2008/04/masterdetail_with_the_gridview.html), and trying to implement it in my web app.

I get details view showing up with right data and in edit mode, but when I try to update I get following error:

Error: Sys.WebForms.PageRequestManagerServerErrorException: Could not find a row that matches the given keys in the original values stored in ViewState. Ensure that the 'keys' dictionary contains unique key values that correspond to a row returned from the previous Select operation'Source File: http://localhost:60402/ScriptResource.axd?

d=3oiN1MDGJVpGswd12OLVOJgMLkGU5WbI3vBe1TTtzf4yTJhIhsSkkCJOlM3EDqJ-SuCssTKwPcNsExJPGVKVXA2&t=ffffffffa10539b4
Line: 1678

I am using LinqDataSource (in tutorial above, author is using ObjectDataSource).Here is aspx

[Code]....

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