public int insertMayTinh(tblMaytinh mt)
{
System.Data.Common.DbTransaction myTran = dt.Connection.BeginTransaction();
try
{
dt.Transaction = myTran;
if (checkIfExist(mt.msMay) != null)// thay
{
return(0);
}
else
{
dt.tblMaytinhs.InsertOnSubmit(mt);
dt.SubmitChanges();
dt.Transaction.Commit();
return(1);
}
}
catch (Exception ex)
{
dt.Transaction.Rollback();
throw new Exception("Loi không sửa được " + ex.Message);
}
}
public int LuuTru()
{
System.Data.Common.DbTransaction myTran = dt.Connection.BeginTransaction();
try
{
dt.Transaction = myTran;
dt.SubmitChanges();
dt.Transaction.Commit();
return(1);
}
catch (Exception ex)
{
dt.Transaction.Rollback();
throw new Exception("Lỗi cập nhật " + ex.Message);
}
}