Assembly: System.Data (in system.data.dll)
The method was called inside the RowChanging event.
The edit broke a constraint.
The row belongs to the table and the edit tried to change the value of a read-only column.
The edit tried to put a null value into a column where AllowDBNull is false.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.