Posted 23 Jul 2012
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Found out the Issue and I will submit the bug report. I guess in previous version if you had a <telerik:GridViewExpressionColumn> you could exclude the "Expression" parameter. I had a column that did this because the expression was being built dynamically in the codebehind then added to the control. All I had to do was set the expression parameter to something rather than excluding it.
In conclusion,the argument can be blank, but it cannot be null.
After Upgrading from Q32011 to Q12012 Telerik Controls and also the target Silverlight version of a project from 4 to 5 I get this following error on a page load. The page worked fine prior to the change. Any help to point me in the direction of a resolution would be helpful.
Value cannot be null.
Parameter name: body