C# code:
public void GetUserMenu(HttpContext context)
{
if (context.User.IsInRole("招聘会员") || context.User.IsInRole("商贸会员") || context.User.IsInRole("资讯会员"))
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append(@"<ul class='H_L_Nav'><h3 class='f13px fB'><a href=''>企业信息管理</a></h3><li><a href='http://www.fpdisplay.com/Member/EditCompanyInfo.aspx'>厂商资料修改</a></li></ul>");
sb.Append(@"<ul class='H_L_Nav'><h3 class='f13px fB'><a>供求管理</a></h3><li><a href='http://www.fpdisplay.com/Member/CreateSupply.aspx'>发布供求</a></li><li><a href='http://www.fpdisplay.com/Member/ProductInfo.aspx'>供求信息管理</a></li><li><a href='http://www.fpdisplay.com/Member/QuestionInfo.aspx'>供求询价管理</a></li></ul>");
sb.Append(@"<ul class='H_L_Nav'><h3 class='f13px fB'><a>人才市场</a></h3><li><a href='/Member/CompanyMember/'>管理人才信息</a></li></ul>");
sb.Append(@"<ul class='H_L_Nav'><h3 class='f13px fB'><a>公司主题</a></h3><li&
