private void btnSave_Click(object sender, EventArgs e) { MemberTypeInfo mti = new MemberTypeInfo(); mti.MTitle = txtTitle.Text; mti.MDiscount = Convert.ToDecimal(txtDiscount.Text); if (!btnSave.Text.Equals("保存")) { mti.MId = Convert.ToInt32(txtId.Text); if (mtiBll.UpdateMTI(mti)) { LoadList(); txtId.Text = "添加时无编号"; txtDiscount.Text = ""; txtTitle.Text = ""; btnSave.Text = "保存"; } else { MessageBox.Show("修改失败"); } result = DialogResult.OK; return; } if (mtiBll.AddMTI(mti)) { LoadList(); } else { MessageBox.Show("添加失败"); } result = DialogResult.OK; }