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我在一个 aspx 页面上有 5 个必填字段验证器。激活所有验证器后,页面上任何命令按钮后面的代码都不会触发。但是,如果有五分之四的验证器处于活动状态,则按钮都可以正常工作。

可以在单个页面上使用的验证器数量是否有限制?还有其他原因会发生这种情况吗?

帮助表示赞赏,谢谢..

达夫。

标记看起来像这样..

> <%@ Page Title="" Language="C#" MasterPageFile="~/MasterPages/Admin.Master" AutoEventWireup="true" CodeBehind="RegisterUser.aspx.cs" Inherits="LectureQuestions.Interface.Admin.RegisterUser" %>
<asp:Content ID="Content1" ContentPlaceHolderID="PageTitle" runat="server">Register New User
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="TitleTxt" runat="server">Register New User
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="MainContent" runat="server">
    <table ID="tblInputField" runat="server" width="100%" cellspacing="15">
            <tr>
                <td width="10%"></td>
                <td width="20%">First Name</td>
                <td width="60%">
                    <asp:TextBox ID="txtFirstName" runat="server" Width="98%"></asp:TextBox>
                </td>
                <td width="10%">
                    <asp:RequiredFieldValidator ID="txtFirstNameRequired" runat="server" 
                        ControlToValidate="txtFirstName" ErrorMessage="*" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">Last Name</td>
                <td width="60%">
                    <asp:TextBox ID="txtLastName" runat="server" Width="98%"></asp:TextBox>
                </td>
                <td width="10%">
                    <asp:RequiredFieldValidator ID="txtLastNameRequired" runat="server" 
                        ControlToValidate="txtLastName" ErrorMessage="*" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">E-mail</td>
                <td width="60%">
                    <asp:TextBox ID="txtEmail" runat="server" Width="98%"></asp:TextBox>
                </td>
                <td width="10%">
                    <asp:RequiredFieldValidator ID="txtEmailRequired" runat="server" 
                        ControlToValidate="txtEmail" ErrorMessage="*" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">Phone</td>
                <td width="60%">
                    <asp:TextBox ID="txtPhone" runat="server" Width="98%"></asp:TextBox>
                </td>
                <td width="10%">
                    <asp:RequiredFieldValidator ID="txtPhoneRequired" runat="server" 
                        ControlToValidate="txtPhone" ErrorMessage="*" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">Password</td>
                <td width="60%">
                    <asp:TextBox ID="txtPassword" runat="server" Width="98%"></asp:TextBox>
                </td>
                <td width="10%">
                    <asp:RequiredFieldValidator ID="txtPasswordRequired" runat="server" 
                        ControlToValidate="txtPassword" ErrorMessage="*" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">User Type</td>
                <td width="60%">
                    <asp:DropDownList ID="txtUserType" runat="server" Width="99.5%">
                        <asp:ListItem>-- Please Select --</asp:ListItem>
                        <asp:ListItem>Student</asp:ListItem>
                        <asp:ListItem>Lecturer</asp:ListItem>
                        <asp:ListItem>Admin</asp:ListItem>
                    </asp:DropDownList>
                </td>
                <td width="10%">
                    <asp:Label id="txtUserTypeValidation" runat="server" ForeColor="Red"></asp:Label>
                </td>
            </tr>
            <tr>
                <td width="10%"></td>
                <td width="20%">Course</td>
                <td width="60%">
                    <asp:DropDownList ID="txtCourse" runat="server" Width="99.5%">
                        </asp:DropDownList>
                </td>
                <td width="10%"></td>
            </tr>
        </table>

        <table ID="tblAllValidationMsg" runat="server" width="100%" cellspacing="5">
            <tr>
                <td width="10%"></td>
                <td width="80%" align="center">
                    <asp:Label id="allValidationMsg" runat="server" height="22px" ForeColor="Red"></asp:Label>
                </td>
                <td width="10%"></td>
            </tr>
        </table>

        <table ID="tblCommandButtons" runat="server" width="100%" cellspacing="10">
            <tr>
                <td width="25%"></td>
                <td width="25%" align="right">
                    <asp:Button class="navbutton" ID="btnRegister" runat="server" 
                        Text="Register User" OnClick="btnRegister_Click" />
                </td>
                <td width="25%" align="left">
                    <asp:Button class="navbutton" ID="btnCancel" runat="server" 
                        Text="Cancel" onclick="btnCancel_Click" />
                </td>
                <td width="25x%"></td>
            </tr>
        </table>
</asp:Content>
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2 回答 2

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答: 不,页面上的验证没有限制。

杂项: Pranay 在他的回答中提供了解决方案。

于 2013-01-04T11:07:10.790 回答
0

最后,我在其中一个字段上放置了第二个正则表达式验证器进行测试。当我删除这个验证器时,问题就停止了。不知道如何或为什么;欢迎对此提出任何建议..

于 2013-01-04T14:33:34.947 回答