protected void btn_ok_Click(object sender, EventArgs e)
{
Driver Addddrv = new Driver();
int drv_Id = int.Parse(txt_drv_id.Text);
string drv_name = txt_drv_name.Text;
int drv_contact = int.Parse(txt_contact.Text);
string drv_nic = txt_nic.Text;
int drv_lic = int.Parse(txt_lic.Text);
Addddrv.AddDriver(drv_Id, drv_name, drv_contact, drv_nic, drv_lic);
Response.Write("<script>alert('Success ');</script>");
}