private void Button5_Click_1(object sender, EventArgs e)
 {
     if (gross == null || gross.IsDisposed)
     {
         gross           = new Gross_To_Net();
         gross.MdiParent = this;
         gross.idSoc     = idSociete;
         gross.codeSoc   = CodeSoc;
         gross.NomSoc    = NomSoc;
         gross.Show();
     }
     else
     {
         gross.WindowState = FormWindowState.Maximized;
         gross.Activate();
     }
 }
 private void Button5_Click_1(object sender, EventArgs e)
 {
     if (gross == null || gross.IsDisposed)
     {
         gross = new Gross_To_Net();
         gross.MdiParent = this;
         gross.idSoc = idSociete;
         gross.codeSoc = CodeSoc;
         gross.NomSoc = NomSoc;
         gross.Show();
     }
     else
     {
         gross.WindowState = FormWindowState.Maximized;
         gross.Activate();
     }
 }