نه کروشه مشکل ندارند
این توضیح foreach
Error 20 Cannot convert type 'Final.MoshtarakDataSet.Tbl_ajanceRow' to 'Final.Tbl_ajance' C:\Users\AS@L\Documents\Visual Studio 2010\Projects\Final\Final\Form_ajance.cs 69 13 Final
اینم مال دومی

Error 21 'Final.MoshtarakDataSet' does not contain a definition for 'SaveChanges' and no extension method 'SaveChanges' accepting a first argument of type 'Final.MoshtarakDataSet' could be found (are you missing a using directive or an assembly reference?) C:\Users\AS@L\Documents\Visual Studio 2010\Projects\Final\Final\Form_ajance.cs 84 21 Final
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