private void button2_Click(object sender, EventArgs e)
 {
     if (Reply.flag == "1")
     {
         Form7 newfrm = new Form7();
         newfrm.Show();
         this.Visible = false;
     }
     else
     {
         Form4 newfrm = new Form4();
         newfrm.Show();
         this.Visible = false;
     }
 }