HTML页和ashx之间关系的一点小应用

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按 按钮 text中的值自动增加

 

html页

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
<form action="add.ashx">
<input type="text" value="0" name="txt" />
<input type="submit" value="加"  />
<input type="hidden" value="true" name="hidden" />
</form>
</body>
</html>

 

ashx页

<%@ WebHandler Language="C#" Class="add" %>

using System;
using System.Web;

public class add : IHttpHandler {
   
    public void ProcessRequest (HttpContext context) {
        int i = 0;
        string addtext;
        context.Response.ContentType = "text/html";
         string hidden=context.Request["hidden"];
        if(hidden=="true"){
         addtext = context.Request["txt"];     
         i = Convert.ToInt32(addtext);
        i++; 
    }
        string path=context.Server.MapPath("add.htm");
        string aaa = System.IO.File.ReadAllText(path);
        aaa=aaa.Replace("0", i.ToString());
        context.Response.Write(aaa);
    }
   
 
    public bool IsReusable {
        get {
            return false;
        }
    }

}

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