input runat server 控件 先通过onclick通过验证客户端验证,然后在执行服务端方法onserverclick 的

1。javascript手动_dopostback

2。type="button"  =>   type="submit"

3。<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="CaiPiao.WebForm2" %>

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 runat="server">
   
<title>title>
   
<script type="text/javascript">
       
function fnIsSearch() {
           
return true;
        }
   
script>
head>

<body>
   
<form id="form1" runat="server">
   
<div>
   
<input id="btnImport" type="submit" runat="server" value="导出" onserverclick="btnImport_Click"/>
   
div>
   
form>
body>
html>
后台代码
[code=C#]
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace CaiPiao
{
    public partial class WebForm2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.btnImport.Attributes.Add("onclick", "return fnIsSearch();");
        }
        public void btnImport_Click(object sender, EventArgs e)
        {
            Response.Write("测试");
        }
    }
}

4。<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

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 runat="server">
   
<title>Untitled Pagetitle>
<script language="javascript" type="text/javascript">
//

   
function a() {
        document.write(
"hello");     
     }

// ]]>
script>
head>
<body>
   
<form id="form1" runat="server">
   
<div>
       
<input id="btnImport" runat="server" 
          onserverclick
="btnImport_Click" type="submit" value="导出" />
       
   
div>
   
form>
body>
html>

public partial class _Default : System.Web.UI.Page
{



   
protected void Page_Load(object sender, EventArgs e)
    {
       

       
if (!IsPostBack)
        {
        }
    }
   
protected void btnImport_Click(object sender, EventArgs e)
    {
        Response.Write (
"aaa");
    }

5。<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>





  Untitled Page



 


 

    οnclick=" a()" onserverclick="btnImport_Click" type="submit" value="导出" />
   
 

 






using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class _Default : System.Web.UI.Page 
{


 
  protected void Page_Load(object sender, EventArgs e)
  {
   

  if (!IsPostBack)
  { 
  }
  }
  protected void btnImport_Click(object sender, EventArgs e)
  {
  Response.Write ("aaa");
  }
}









  //public String A
  //{
  // get
  // {
  // return (ViewState["A"] == null) ? null : ViewState["A"].ToString();
  // }
  // set
  // {
  // ViewState["A"] = value;
  // }
  //}

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