private void button1_Click(object sender, System.EventArgs e) { if (string.IsNullOrEmpty(txtClientName.Text)) { MessageBox.Show("请输入客户姓名"); } if (string.IsNullOrEmpty(txtClientPhone.Text)) { MessageBox.Show("请输入客户手机"); } //插入 if (_opearType == "添加") { var sql = InsertSQL.InsertClient(txtClientName.Text, txtClientPhone.Text); MessageBox.Show(InsertData.InsertIntoData(sql) ? "添加客户成功" : "添加客户失败"); } //更新 if (_opearType == "修改") { var updatesql = UpdateSQL.UpdateClient(txtClientName.Text, txtClientPhone.Text, _clientId); MessageBox.Show(UpdateData.UpdateInfo(updatesql) ? "更新客户成功" : "更新客户失败"); } Close(); }