/// <summary>
/// 父级菜单的绑定(一级菜单内容)
/// </summary>
public void ParentTitleBind()
{
this.ddlParentTitle.DataSource = menuSvc.GetSystemMenusListByParentId(0);
this.ddlParentTitle.DataValueField = "Id";
this.ddlParentTitle.DataTextField = "Title";
this.ddlParentTitle.DataBind();
}