Server Error in '/' Application.

Selection out of range
Parameter name: value

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.ArgumentOutOfRangeException: Selection out of range
Parameter name: value

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:


[ArgumentOutOfRangeException: Selection out of range
Parameter name: value]
   Telerik.Web.UI.RadComboBox.PerformDataBinding(IEnumerable dataSource) +286
   Telerik.Web.UI.RadComboBox.OnDataSourceViewSelectCallback(IEnumerable data) +329
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +34
   Telerik.Web.UI.RadComboBox.OnDataBinding(EventArgs e) +757
   Telerik.Web.UI.RadComboBox.PerformSelect() +21
   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +76
   Telerik.Web.UI.RadComboBox.DataBind() +38
   CMS.WebUI.testControl.Page_Load(Object sender, EventArgs e) +517
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0