获得页面控件值

Response.Write(Request.Params[this.TextBox1.UniqueID]);

Response.Write(Request.Params["txt"]);

 

得到所有地址栏传的参数名称：

System.Collections.Specialized.NameValueCollection coll = Request.QueryString; 

String[] arr1 = coll.AllKeys; 

Response.Write(arr1[1].ToString());