[ArgumentException: This constraint cannot be enabled as not all values have corresponding parent values.]
System.Data.ConstraintCollection.AddForeignKeyConstraint(ForeignKeyConstraint constraint) +2867529
System.Data.ConstraintCollection.Add(Constraint constraint, Boolean addUniqueWhenAddingForeign) +524
System.Data.DataSetRelationCollection.AddCore(DataRelation relation) +998
System.Data.DataRelationCollection.Add(DataRelation relation) +169
System.Data.DataRelationCollection.Add(String name, DataColumn parentColumn, DataColumn childColumn) +65
Products_ProductControl.Page_Load(Object sender, EventArgs e) +4148
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.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428