private void button2_Click(object sender, EventArgs e) { //initialForm(); switch (this.comboBox1.SelectedIndex) { case 0: if (ConfigManager.SaveDBConnectString(DBType.sqlserver, this.txtConnString.Text)) { MessageBox.Show("保存成功!"); } else { MessageBox.Show("保存失败!"); } break; case 1: if (ConfigManager.SaveDBConnectString(DBType.sqlite, this.txtConnString.Text)) { MessageBox.Show("保存成功!"); } else { MessageBox.Show("保存失败!"); } break; } }