VAGSuite.frmPartNumberList.CheckInAvailableLibrary C# (CSharp) Method

        private int CheckInAvailableLibrary(string partnumber)
        {
            int retval = 0;
            foreach (DataRow dr in partnumbers.Rows)
            {
                if (dr["PARTNUMBER"] != DBNull.Value)
                {
                    if (dr["PARTNUMBER"].ToString() == partnumber)
                    {
                        retval = 1;
                        break;
                    }
                }
            }
            return retval;
        }