protected void btnyes_Click(object sender, EventArgs e)
        {
            if (this.txttypename.Text == "")
            {
                Response.Write("<script>alert('类型名称不能为空!');</script>");
                return;
            }
            Roles role = new Roles()
            {
                Name = this.txttypename.Text
            };

            if (RolesManager.AddRole(role))
            {
                Response.Write("<script>alert('添加成功!');window.location.href='MusicRoleGL.aspx?nowpage=" + Request.QueryString["nowpage"] == null ? "1" : Request.QueryString["nowpage"] + "';</script>");
                this.paneladd.Visible   = false;
                this.panelupd.Visible   = false;
                this.paneltypes.Visible = true;
                RepeaterData();
            }
            else
            {
                Response.Write("<script>alert('添加失败!');</script>");
                return;
            }
        }