C# 自动计算字符串公式的值(三种方式)

http://www.csframework.com/archive/2/arc-2-20110426-1394.htm

 提供数据的WebForm2.aspx

public partial class WebForm2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string callback = Request.QueryString["jsoncallback"];
            string data = "{"title": "Recent Uploads tagged cat","link": "http://www.sina.com.cn","items": [{"title": "Russell 003","color": "red"},{"title": "Cat [07.04.11]","color": "yellow"}]}";
            string result = string.Format("{0}({1})", callback, data);
            Response.Expires = -1;
            Response.Clear();
            Response.ContentEncoding = Encoding.UTF8;
            Response.ContentType = "application/json";
            Response.Write(result);
            Response.Flush();
            Response.End();
        }
    }