protected void btnSave_Click(object sender, EventArgs e) { bool res = false; try { if (btnSave.Text == "Save") { ChatLieu.ChatLieu_Insert(tbTenChatLieu.Text, 0); } else { ChatLieu.ChatLieu_Update(Convert.ToInt32(hfChatLieuID.Value), tbTenChatLieu.Text); } res = true; Clear(); } catch (Exception ex) { Console.WriteLine(ex.Message); res = false; } if (res == true) { if (btnSave.Text == "Save") { lbSuccess.Text = "Saved successfully!!"; } else if (btnSave.Text == "Update") { lbSuccess.Text = "Updated successfully!!"; } } else { lbError.Text = "There's something wrong. We cannot save your work"; } }