Server Error in '/' Application.

A column named 'iid' already belongs to this DataTable.

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.Data.DuplicateNameException: A column named 'iid' already belongs to this DataTable.

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:


[DuplicateNameException: A column named 'iid' already belongs to this DataTable.]
   System.Data.DataColumnCollection.RegisterColumnName(String name, DataColumn column) +361
   System.Data.DataColumnCollection.BaseAdd(DataColumn column) +106
   System.Data.DataColumnCollection.AddAt(Int32 index, DataColumn column) +103
   Advertisings._LoadAdvertisings() +292
   Advertisings._LoadAdvertisingsV3(Int32 icid, String type) +61
   Advertisings.LoadAdvertisingsV3DataTable(String lang, String positionkey) +483
   cms_display_templates_news_utilctrl_topslidenews_u_top_hot_new_next.Page_Load(Object sender, EventArgs e) +220
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0