簡體   English   中英

如何防止具有驗證器的表單中的表單重復提交?

[英]How to prevent form double submit in form that have Validator?

我有具有帶有Validator TextBox Web表單:

<script src="../script/jquery-2.0.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
    $(document).ready(function () {
        $("form").submit(function () {
            $('input[type=submit]', this).attr('disabled', 'disabled');
        });
    });
</script>
<form id="form1" runat="server">
    <asp:RequiredFieldValidator ID="v" runat="server" ControlToValidate="name" ErrorMessage="Required"></asp:RequiredFieldValidator>
    <asp:TextBox ID="name" runat="server"></asp:TextBox>
    <asp:Button ID="submit" runat="server" Text="Go" CausesValidation="true" />
</form>

我想在提交表單時禁用提交button ,但是當TextBoxValidator無效(為空)時,此代碼也禁用提交button

我想要一種用於所有ASP.NET驗證程序的方法,不僅是RequiredFieldValidator

如何僅在實際提交中禁用提交button

在禁用提交按鈕之前,請檢查全局Page_IsValid變量是否設置為true

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>
<!DOCTYPE html>
<html>
<head runat="server">
    <title></title>
    <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-2.0.1.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("form").submit(function () {
                if (Page_IsValid)
                    $('input[type=submit]', this).prop('disabled', true);
            });
        });
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <asp:RequiredFieldValidator ID="v" runat="server" ControlToValidate="name" ErrorMessage="Required"></asp:RequiredFieldValidator>
        <asp:TextBox ID="name" runat="server"></asp:TextBox>
        <asp:Button ID="submit" runat="server" Text="Go" CausesValidation="true" />
    </form>
</body>
</html>
$(document).ready(function () {
        $("form").submit(function (e) {
         if($.trim($('#<%=name.ClientID%>').val()) !='' ){ //if textbox not empty
            $('input[type=submit]', this).attr('disabled', 'disabled');
         }else{
            e.preventDefault();
         }
        });
    });

event.preventDefault

您可以使用.prop()

 $('input[type=submit]', this).prop('disabled', true);
protected void submit_Click(object sender, EventArgs e) {
    if (name.Text != String.Empty) {
        submit.Enabled = false;
    } else {
        submit.Enabled = true;
    }
}

此代碼不帶Java腳本

暫無
暫無

聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.

 
粵ICP備18138465號  © 2020-2024 STACKOOM.COM