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通过ajax刷新页面后 gridview中的按钮都失效了,若通过超链接直接跳转就没有问题

[复制链接]
查看4516 | 回复0 | 2015-12-29 18:50:49 | 显示全部楼层 |阅读模式
通过ajax刷新页面后 gridview中的按钮都失效了,若通过超链接直接跳转就没有问题


ajax代码:
[HTML] 纯文本查看 复制代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1.aspx.cs" Inherits="_1" %>

<!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 loadXMLDoc(i) {

                var url = i;
                var xmlhttp;
                if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
                    xmlhttp = new XMLHttpRequest();
                }
                else {// code for IE6, IE5
                    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                }
                xmlhttp.onreadystatechange = function () {
                    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                        document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
                    }
                }
                xmlhttp.open("POST", url, true);
                xmlhttp.send();
            }
        </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
   
    <a href="#">超链接</a>
      <div id="myDiv" 

        style=" width:600px;margin:0 auto; text-align:center; font-size:12px; position:absolute; z-index:1; top: 303px; left: 421px;"></div>
    </form>
</body>
</html>



链接的前台代码:
[HTML] 纯文本查看 复制代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1.aspx.cs" Inherits="_1" %>

<!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 loadXMLDoc(i) {

                var url = i;
                var xmlhttp;
                if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
                    xmlhttp = new XMLHttpRequest();
                }
                else {// code for IE6, IE5
                    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                }
                xmlhttp.onreadystatechange = function () {
                    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                        document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
                    }
                }
                xmlhttp.open("POST", url, true);
                xmlhttp.send();
            }
        </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
   
    <a href="#">超链接</a>
      <div id="myDiv" 

        style=" width:600px;margin:0 auto; text-align:center; font-size:12px; position:absolute; z-index:1; top: 303px; left: 421px;"></div>
    </form>
</body>
</html>



链接的后台代码:
[C#] 纯文本查看 复制代码
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class _5 : System.Web.UI.Page
{

    //清清月儿http://blog.csdn.net/21aspnet 
    SqlConnection sqlcon;
    SqlCommand sqlcom;
    string strCon = "Data Source=(local);Database=GHRQ;Uid=sa;Pwd=sa";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            bind();
        }
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        GridView1.EditIndex = e.NewEditIndex;
        bind();
    }

    //删除
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string sqlstr = "delete from tree where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        sqlcon = new SqlConnection(strCon);
        sqlcom = new SqlCommand(sqlstr, sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        bind();
    }

    //更新
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        sqlcon = new SqlConnection(strCon);
        string sqlstr = "update tree set funcname='"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',funcdesc='"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',funcurl='"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where id='"
            + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        sqlcom = new SqlCommand(sqlstr, sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        GridView1.EditIndex = -1;
        bind();
    }

    //取消
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        bind();
    }

    //绑定
    public void bind()
    {
        string sqlstr = "select * from tree";
        sqlcon = new SqlConnection(strCon);
        SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
        DataSet myds = new DataSet();
        sqlcon.Open();
        myda.Fill(myds, "tree");
        GridView1.DataSource = myds;
        GridView1.DataKeyNames = new string[] { "ID" };//主键
        GridView1.DataBind();
        sqlcon.Close();
    }
}


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