ASP.NET 驗證控制項與防止按鈕連按兩次送出
前陣子在網路上看到一篇不錯的文章...
介紹ASP.NET使用驗證控制項時與防止按鈕連按兩次送出的問題
在此分享此篇文章給大家呀....
資料來源：http://www.ithome.com.tw/plog/index.php?op=ViewArticle&articleId=11012&blogId=418
小弟也做了一個實例測試一下...如下：
c#範例
.aspx
01 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="doubleClick.aspx.cs" Inherits="doubleClick" %>
02
03 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
04 <html xmlns="http://www.w3.org/1999/xhtml">
05 <head id="Head1" runat="server">
06 <title>未命名頁面</title>
07 </head>
08 <body>
09 <form id="form1" runat="server">
10 <div>
11 <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:RequiredFieldValidator
12 ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1" ErrorMessage="不可為空白"></asp:RequiredFieldValidator><br />
13 <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="送出" CausesValidation="true" /></div>
14 </form>
15 </body>
16 </html>
17
18 <script type="text/javascript">
19 function check(btn)
20 {
21 if (typeof(Page_ClientValidate) == 'function')
22 {
23 if(Page_ClientValidate('')==true)
24 {
25
26 btn.disabled = true;
27 __doPostBack(btn.id,"");
28 }
29 }
30 }
31 </script>
32
33
02
03 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
04 <html xmlns="http://www.w3.org/1999/xhtml">
05 <head id="Head1" runat="server">
06 <title>未命名頁面</title>
07 </head>
08 <body>
09 <form id="form1" runat="server">
10 <div>
11 <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:RequiredFieldValidator
12 ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1" ErrorMessage="不可為空白"></asp:RequiredFieldValidator><br />
13 <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="送出" CausesValidation="true" /></div>
14 </form>
15 </body>
16 </html>
17
18 <script type="text/javascript">
19 function check(btn)
20 {
21 if (typeof(Page_ClientValidate) == 'function')
22 {
23 if(Page_ClientValidate('')==true)
24 {
25
26 btn.disabled = true;
27 __doPostBack(btn.id,"");
28 }
29 }
30 }
31 </script>
32
33
.cs
01 
using System;
02
using System.Data;
03using System.Configuration;
04using System.Collections;
05using System.Web;
06using System.Web.Security;
07using System.Web.UI;
08using System.Web.UI.WebControls;
09using System.Web.UI.WebControls.WebParts;
10
using System.Web.UI.HtmlControls;
11
12public partial class doubleClick : System.Web.UI.Page
13{
14
protected void Page_Load(object sender, EventArgs e)
15
{
16 this.Button1.Attributes.Add("onclick", "check(this);");
17
}
18 protected void Button1_Click(object sender, EventArgs e)
19 {
20 //模擬資料庫儲存,處理時間5秒
21 System.Threading.Thread.Sleep(5000);
22 Response.Write(this.TextBox1.Text);
23 }
24}
using System;
using 02
using System.Data;03
using System.Configuration;04
using System.Collections;05
using System.Web;06
using System.Web.Security;07
using System.Web.UI;08
using System.Web.UI.WebControls;09
using System.Web.UI.WebControls.WebParts;10
using System.Web.UI.HtmlControls;11
12
public partial class doubleClick : System.Web.UI.Page13
{14
protected void Page_Load(object sender, EventArgs e)15
{
16
this.Button1.Attributes.Add("onclick", "check(this);");17
}18
protected void Button1_Click(object sender, EventArgs e)19
{20
//模擬資料庫儲存,處理時間5秒21
System.Threading.Thread.Sleep(5000);22
Response.Write(this.TextBox1.Text);23
}24
}