Server Error in '/' Application.

These columns don't currently have unique values.

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: These columns don't currently have unique values.

Source Error:


Line 137:                RadMenu1.DataSource = ds5;
Line 138:                RadMenu1.DataMember = "navigation";
Line 139:                RadMenu1.DataBind();
Line 140:            }
Line 141:            //the currentNavId passed has no children... pass the parent id

Source File: d:\inetpub\wwwroot\FAITHNETWORK_VAULT\LOWCOUNTRY\subPageMaster.master.cs    Line: 139

Stack Trace:


[ArgumentException: These columns don't currently have unique values.]
   System.Data.ConstraintCollection.AddUniqueConstraint(UniqueConstraint constraint) +2368981
   System.Data.ConstraintCollection.Add(Constraint constraint, Boolean addUniqueWhenAddingForeign) +196
   System.Data.ConstraintCollection.Add(Constraint constraint, Boolean addUniqueWhenAddingForeign) +469
   System.Data.DataSetRelationCollection.AddCore(DataRelation relation) +1134
   System.Data.DataRelationCollection.Add(DataRelation relation) +178
   System.Data.DataRelationCollection.Add(DataColumn parentColumn, DataColumn childColumn) +67
   Telerik.Web.UI.ControlDataBinder.BindToDataTable(DataTable table, String dataFieldID, String dataFieldParentID) +125
   System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +165
   subPageMaster.Page_Load(Object sender, EventArgs e) in d:\inetpub\wwwroot\FAITHNETWORK_VAULT\LOWCOUNTRY\subPageMaster.master.cs:139
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4063.0