I just upgraded to version 2012.2.815.35 [this version seems missing from your version drop-down above]. Here's the error I'm getting as soon as I tries accessing a page after the upgrade. How do I re

[Venky]

UniqueName cannot contain spaces

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: UniqueName cannot contain spaces

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[ArgumentException: UniqueName cannot contain spaces] Telerik.Web.UI.GridColumn.set_UniqueName(String value) +124 UserControls_ucMatrixGrid.CreateDataTable(Int32 QuestionId) +3837 Survey_Edit.CreateTelerikGridProgram(ReorderListItemEventArgs e, Int32 QuestionId, String ControlType) +205 Survey_Edit.ReorderList1_ItemDataBound(Object sender, ReorderListItemEventArgs e) +1725 [TargetInvocationException: Exception has been thrown by the target of an invocation.] System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +0 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) +1255 System.Delegate.DynamicInvokeImpl(Object[] args) +115 AjaxControlToolkit.ReorderList.Invoke(Object key, EventArgs e) +114 AjaxControlToolkit.ReorderList.CreateItem(Int32 index, Boolean dataBind, Object dataItem, ListItemType itemType, Boolean hasDragHandle) +505 AjaxControlToolkit.ReorderList.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +626 System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +72 AjaxControlToolkit.ReorderList.PerformDataBinding(IEnumerable data) +33 System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +147 System.Web.UI.WebControls.DataBoundControl.PerformSelect() +261 Survey_Edit.BindData_Question(String s, Int32 rebind, Int32 pagenum) +4836 Survey_Edit.Page_Load(Object sender, EventArgs e) +21777 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42 System.Web.UI.Control.OnLoad(EventArgs e) +132 System.Web.UI.Control.LoadRecursive() +66 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428

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Version Information: Microsoft .NET Framework Version:2.0.50727.3634; ASP.NET Version:2.0.50727.3634 

[Pavlina]

Hi Venky,

We have prevented the UniqueName property of grid columns from containing spaces. The breaking change is documented in the release notes for version Q3 2011 of Telerik RadControls for ASP.NET AJAX.

Kind regards,
Pavlina
the Telerik team