public static string TemplateTypeChange(string cid) { StringBuilder strHtml = new StringBuilder(); strHtml.Append("<option value=\"\">请选择设计模版</option>"); if (!string.IsNullOrWhiteSpace(cid)) { Leadin.BLL.DesignTemplate bllTemplateChange = new Leadin.BLL.DesignTemplate(); DataSet ds = bllTemplateChange.GetList("TypeId=" + cid + " and StateInfo=1"); foreach (DataRow item in ds.Tables[0].Rows) { strHtml.Append("<option value=\"" + item["Id"].ToString() + "\">" + item["Title"].ToString() + "</option>"); } } return(strHtml.ToString()); }