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Exception using GridGroupingControl

Thread ID:





80095 Mar 12,2009 07:25 PM UTC Mar 13,2009 01:44 PM UTC ASP.NET Web Forms (Classic) 1
Tags: Tools
Administrator [Syncfusion]
Asked On March 12, 2009 07:25 PM UTC

I'm using a GridGroupingControl in ASP.NET and setting it's data source to a DataView object (although, setting it to a DataTable gives the same error). The underlying table doesn't have any Expression columns but I keep getting the error below.
The DataSourceCachingMode is set to ViewState, but setting it to None or Session also seems to cause the same error.
Any ideas?

[ArgumentException: Cannot set Expression property due to circular reference in the expression.]
System.Data.DataColumn.set_Expression(String value) +745
System.Data.DataTable.CloneTo(DataTable clone, DataSet cloneDS, Boolean skipExpressionColumns) +1871979
System.Data.DataTable.Clone(DataSet cloneDS) +90
System.Data.DataTable.Clone() +6
Syncfusion.Web.UI.WebControls.Grid.Grouping.Common.Utils.ConvertDataViewToDataTable(DataView dv) +83
Syncfusion.Web.UI.WebControls.Grid.Grouping.GridGroupingControl.SaveSourceListSet() +1049
Syncfusion.Web.UI.WebControls.Grid.Grouping.GridGroupingControl.SaveViewState() +135
System.Web.UI.Control.SaveViewStateRecursive() +59

Rekha P [Syncfusion]
Replied On March 13, 2009 01:44 PM UTC

Hi Mark,

Thank you for your interest in Syncfusion Products.

Please refer the below forum thread for the reported issue.

Please let me know if you have any other concerns.



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