public string CreatPositionID() { try { string PositionID; DataTable d = positionDAL.GetPositionCount(); PositionID = d.Rows[0][0].ToString(); int t = int.Parse(PositionID) + 1; PositionID = t.ToString(); while (PositionID.Length < 3) { PositionID = "0" + PositionID; } PositionID = "MVT" + PositionID; return(PositionID); } catch (Exception e) { throw e; } }