private void button7_Click(object sender, EventArgs e)
        {
            label8.Visible = false;
            label9.Visible = false;
            string fName    = textBox1.Text;
            string lName    = textBox2.Text;
            string pNo      = textBox3.Text;
            string userName = comboBox1.SelectedItem.ToString();
            string password = textBox5.Text;

            if (fName.Length < 1 || lName.Length < 1 || pNo.Length < 1 || userName.Length < 1 || password.Length < 1)
            {
                label9.Text    = "Please Fill All The Fields";
                label9.Visible = true;
                return;
            }
            if (!password.Equals(textBox6.Text))
            {
                label8.Visible = true;
                return;
            }
            DataSets.Users userInfo = new DataSets.Users();
            userInfo.fName    = fName;
            userInfo.lName    = lName;
            userInfo.pNo      = pNo;
            userInfo.userName = userName;
            userInfo.password = password;
            DataBaseManager dbm = new DataBaseManager();

            dbm.updateUser(userInfo);
            MessageBox.Show("The User Has Been Updated Successfully.");
            this.Dispose();
        }