private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "")
            {
                MessageBox.Show("Fillup Information Correctly");
            }
            else if (textBox2.Text == "")
            {
                MessageBox.Show("Fillup Information Correctly");
            }
            else if (textBox3.Text == "")
            {
                MessageBox.Show("Fillup Information Correctly");
            }
            else if (textBox4.Text == "")
            {
                MessageBox.Show("Fillup Information Correctly");
            }
            else if (textBox5.Text == "")
            {
                MessageBox.Show("Fillup Information Correctly");
            }


            else
            {
                CabinDBDataContext cb = new CabinDBDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=E:\AIUB\8th semester\C#\Project\Final\Hospital\HospitalManagementSystem.mdf;Integrated Security=True;Connect Timeout=30");
                Paitent            p1 = new Paitent();
                p1.Paitent_Name = textBox1.Text;
                p1.Cabin_No     = int.Parse(textBox2.Text);
                p1.Phone        = textBox3.Text;
                p1.Room_Type    = textBox4.Text;
                p1.Price        = int.Parse(textBox5.Text);
                p1.Date         = textBox6.Text;

                cb.Paitents.InsertOnSubmit(p1);
                cb.SubmitChanges();
                updateGridView();
                MessageBox.Show("Succesfully Registerd");
            }
        }
 partial void DeletePaitent(Paitent instance);
 partial void UpdatePaitent(Paitent instance);
 partial void InsertPaitent(Paitent instance);