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<script   language= "C# "   runat= "server ">
string   twodomain= "http:// "+dr1[ "twodomain "].ToString();
</script>
dr1[ "twodomain "]是一个数据库字段
出错:   An   object   reference   is   required   for   the   nonstatic   field,   method,   or   property   'mall_shopshow.dr1 '


<%string   twodomain= "http:// "+dr1[ "twodomain "].ToString();
%>
出错:System.Web.HttpException:   The   Controls   collection   cannot   be   modified   because   the   control   contains   code   blocks   (i.e.   <%   ...   %> ).


------解决方案--------------------
你的dr1 在什么地方定义的？