//SỬA dl
public bool UpdateData(LoaiSachDT dt)
{
cmd.CommandText = "UPDATE loaisach SET tenLS=N'" + dt.TenLS + "' WHERE maLS ='" + dt.MaLS + "'";
cmd.CommandType = CommandType.Text;
cmd.Connection = conn.Connection;
try
{
conn.OpenConn();
cmd.ExecuteNonQuery();
conn.CloseConn();
return(true);
}
catch (Exception ex)
{
string mex = ex.Message;
cmd.Dispose();
conn.CloseConn();
}
return(false);
}
//thêm mới dl
public bool AddData(LoaiSachDT dt)
{
cmd.CommandText = "INSERT INTO loaisach VALUES ( '" + dt.MaLS + "',N'" + dt.TenLS + "')";
cmd.CommandType = CommandType.Text;
cmd.Connection = conn.Connection;
try
{
conn.OpenConn();
cmd.ExecuteNonQuery();
conn.CloseConn();
return(true);
}
catch (Exception ex)
{
string mex = ex.Message;
cmd.Dispose();
conn.CloseConn();
}
return(false);
}
public bool UpdateData(LoaiSachDT dt)
{
return(MH.UpdateData(dt));
}
public bool AddData(LoaiSachDT dt)
{
return(MH.AddData(dt));
}
//ham lay dl tu control
void ganDL(LoaiSachDT dt)
{
dt.MaLS = txtMa.Text.Trim();
dt.TenLS = txtTen.Text.Trim();
}
