private void button2_Click(object sender, EventArgs e)
        {
            if (textBox2.Text != string.Empty && textBox3.Text != string.Empty && textBox4.Text != string.Empty && textBox5.Text != string.Empty && textBox6.Text != string.Empty && textBox7.Text != string.Empty && textBox8.Text != string.Empty && textBox9.Text != string.Empty && textBox10.Text != string.Empty)
            {
                if (radioButton1.Checked || radioButton2.Checked)
                {
                    Doctor_s_List a = new Doctor_s_List();
                    a.Id            = int.Parse(textBox1.Text);
                    a.Name          = textBox2.Text;
                    a.Date_Of_Birth = Convert.ToDateTime(textBox3.Text);
                    a.Date_Joined   = Convert.ToDateTime(textBox4.Text);
                    a.Designation   = textBox5.Text;
                    a.Specialty     = textBox6.Text;
                    a.Mobile_No_    = textBox7.Text;
                    a.Address       = textBox8.Text;
                    a.Username      = textBox9.Text;
                    a.Password      = textBox10.Text;

                    if (radioButton1.Checked)
                    {
                        a.Gender = "Male";
                    }
                    else
                    {
                        a.Gender = "Female";
                    }

                    try
                    {
                        using (MemoryStream ms = new MemoryStream())
                        {
                            pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                            var binary = new System.Data.Linq.Binary(ms.GetBuffer());
                            a.Image = binary;
                        }

                        h.Doctor_s_Lists.InsertOnSubmit(a);
                        h.SubmitChanges();

                        MessageBox.Show("Registration Completed Successfully");
                    }
                    catch (Exception)
                    {
                        MessageBox.Show("Registration error !! Please insert your information in proper way !!!");
                    }
                }
                else
                {
                    MessageBox.Show("Please select your Gender");
                }
            }
            else
            {
                MessageBox.Show("Please provide all Information");
            }
        }
 partial void DeleteDoctor_s_List(Doctor_s_List instance);
 partial void UpdateDoctor_s_List(Doctor_s_List instance);
 partial void InsertDoctor_s_List(Doctor_s_List instance);