private void Form1_Load_1(object sender, EventArgs e)
 {
     if (Application.OpenForms["FRM_ODUNC"] == null)
     {
         formodunc           = new FRM_ODUNC();
         formodunc.MdiParent = this;
         formodunc.Show();
     }
 }
 private void FRM_ODUNC_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     if (Application.OpenForms["FRM_ODUNC"] == null)
     {
         formodunc           = new FRM_ODUNC();
         formodunc.MdiParent = this;
         formodunc.Show();
     }
 }