private void btnSave_ItemClick(object sender, ItemClickEventArgs e)
 {
     try
     {
         acc.Add(new DALLayer.Accounts()
         {
             accCode          = txtAccCode.Text,
             accName          = txtAccName.Text,
             MainAccCode      = txtMainAccountCode.Tag.ToString(),
             accLevel         = int.Parse(txtAccLevel.Text),
             typeCode         = int.Parse(AccountType.EditValue.ToString()),
             AllowManualEntry = AllowManualEntry.Checked
         });
         MessageBox.Show("success");
         btnSave.Enabled   = false;
         btnAddNew.Enabled = btnModify.Enabled = btnDelete.Enabled = true;
         TreeNode child = new TreeNode(txtAccCode.Text + "--" + txtAccName.Text);
         child.Tag = txtAccCode.Text;
         node.Nodes.Add(child);
         AccountTree_AfterSelect(null, null);
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }