protected void LoadParentMenusByMenuAppAndType() { AppMenuBLL appMenu = new AppMenuBLL(); try { DataTable dt = appMenu.LoadParentMenusByMenuAppAndType(menuForAppDropDownList.SelectedValue.Trim(), menuTypeDropDownList.SelectedValue.Trim()); groupWiseUserMenuListListBox.DataSource = dt; groupWiseUserMenuListListBox.DataValueField = "MenuId"; groupWiseUserMenuListListBox.DataTextField = "MenuName"; groupWiseUserMenuListListBox.DataBind(); if (groupWiseUserMenuListListBox.Items.Count > 0) { upImageButton.Enabled = true; downImageButton.Enabled = true; saveButton.Enabled = true; menuSortingPane.Visible = true; } else { upImageButton.Enabled = false; downImageButton.Enabled = false; saveButton.Enabled = false; menuSortingPane.Visible = false; } } catch (Exception ex) { msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message; msgbox.Attributes.Add("Class", "alert alert-warning"); } finally { appMenu = null; } }