public void themBN(benhnhan bn)
{
System.Data.Common.DbTransaction my = dt.Connection.BeginTransaction();
try
{
dt.Transaction = my;
dt.benhnhans.InsertOnSubmit(bn);
dt.SubmitChanges();
dt.Transaction.Commit();
}
catch (Exception ex)
{
dt.Transaction.Rollback();
throw new Exception("Loi them vao" + ex.Message);
}
}
partial void Deletebenhnhan(benhnhan instance);
partial void Updatebenhnhan(benhnhan instance);
partial void Insertbenhnhan(benhnhan instance);
