I have writen the following method:

privatestatic DataColumn AddColumn3( DataTable dt, DataColumn dc,string name, Type type,string label,string def ) { dc =new DataColumn(name, type); dc.Caption = label; dc.DefaultValue = def; dt.Columns.Add(dc); return dc; }

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Now this method works perfectly but when I use a different constructor for the Datacolumn like this:

privatestatic DataColumn AddColumn3( DataTable dt, DataColumn dc,string name, Type type,string label,string def ) { dc =new DataColumn(name, type,label); dc.DefaultValue = def; dt.Columns.Add(dc); return dc; }

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It crash my program with the following error:

An unhandled exception of type 'System.Data.EvaluateException' occurred in system.data.dll Additional information: Cannot find column [FName].

Can anyone shed some light on this please?