private void Reg_Form_Load(object sender, EventArgs e) { lab_title.Text = this.Text + " - " + lab_title.Text; try { SQL_Class.getcon(); //连接数据库 } catch { //当连接数据库失败时,显示错误信息 MessageBox.Show("数据库连接失败!", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); this.Close(); //关闭窗口 } switch (Form_Type) { case 0: break; case 1: LoadInfo(); break; case 2: break; } }
private void Login_Form_Load(object sender, EventArgs e) { lab_title.Text = this.Text + " - " + lab_title.Text; try { SQL_Class.getcon(); //连接数据库 } catch { //当连接数据库失败时,显示错误信息 MessageBox.Show("数据库连接失败!", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); Application.Exit(); //关闭整个工程 } }