Server Error in '/' Application.

An item with the same key has already been added.

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: An item with the same key has already been added.

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: An item with the same key has already been added.] System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +53 System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +354 System.Data.DataView.ResetRowViewCache() +239 System.Data.DataView.UpdateIndex(Boolean force, Boolean fireEvent) +340 System.Data.DataView.UpdateIndex(Boolean force) +18 System.Data.DataView.SetIndex2(String newSort, DataViewRowState newRowStates, IFilter newRowFilter, Boolean fireEvent) +109 System.Data.DataTable.get_DefaultView() +91 System.Data.DataTable.System.ComponentModel.IListSource.GetList() +10 System.Web.UI.DataSourceHelper.GetResolvedDataSource(Object dataSource, String dataMember) +53 System.Web.UI.WebControls.ReadOnlyDataSource.System.Web.UI.IDataSource.GetView(String viewName) +53 System.Web.UI.WebControls.Repeater.ConnectToDataSourceView() +711 System.Web.UI.WebControls.Repeater.GetData() +21 System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource) +207 System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) +63 System.Web.UI.WebControls.Repeater.DataBind() +132 site.UC_Filters.Page_Load(Object sender, EventArgs e) in D:\a\1\s\TovtodaNew\UC_Filters.ascx.cs:46 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +85 System.Web.UI.Control.OnLoad(EventArgs e) +79 System.Web.UI.Control.LoadRecursive() +130 System.Web.UI.Control.LoadRecursive() +200 System.Web.UI.Control.LoadRecursive() +200 System.Web.UI.Control.LoadRecursive() +200 System.Web.UI.Control.LoadRecursive() +200 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2852


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0