[DuplicateNameException: A column named 'link' already belongs to this DataTable.]
System.Data.DataColumnCollection.RegisterColumnName(String name, DataColumn column) +119
System.Data.DataColumnCollection.BaseAdd(DataColumn column) +103
System.Data.DataColumnCollection.AddAt(Int32 index, DataColumn column) +216
site.AreaWebsite.get_CitiesForFilter() in D:\a\1\s\TovtodaNew\Classes\AreaWebsite.cs:50
site.UC_Filters.GetAreaDT(Int32 _areaId) in D:\a\1\s\TovtodaNew\UC_Filters.ascx.cs:160
site.UC_Filters.Page_Load(Object sender, EventArgs e) in D:\a\1\s\TovtodaNew\UC_Filters.ascx.cs:45
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