private void btnAddNew_ItemClick(object sender, ItemClickEventArgs e)
 {
     try
     {
         foreach (Control ctr in panelControl2.Controls)
         {
             if (ctr is TextEdit && !(ctr is SearchLookUpEdit))
             {
                 ctr.Text = "";
             }
             if (ctr is SpinEdit)
             {
                 ctr.Text = "0";
             }
         }
         txtVendorCode.Text = vendor.GetCode().ToString();
         btnSave.Enabled    = true;
         btnAddNew.Enabled  = btnDelete.Enabled = btnModify.Enabled = false;
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }