C# (CSharp) p4final conexion示例

示例#1

        private void btnrefu_Click(object sender, EventArgs e)
        {
            conexion oper = new conexion();

            dgbu.DataSource = oper.consultaconresul("select * from usuario");
        }

示例#2

        private void button1_Click(object sender, EventArgs e)
        {
            conexion oper = new conexion();

            dgbtp.DataSource = oper.consultaconresul("select * from tipo_persona");
        }

示例#3

        private void btnrefe_Click(object sender, EventArgs e)
        {
            conexion oper = new conexion();

            dgbcargo.DataSource = oper.consultaconresul("select * from empleado");
        }