Question

只是验证网络表单并收到以下错误 Everting工作正常，直到我编译并获得此错误的第34行。我的IDE没有错误我已经运行了调试，无法生成或看到任何无效的

    <html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Student Registration Form</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <h3>Student Form</h3>

            <table>
                <tr>
                    <td>First Name</td>
                    <td>
                        <asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
                        <asp:RequiredFieldValidator ID="rfvFirstName" runat="server" ErrorMessage="Enter your First Name" ControlToValidate="txtFirstName" ValidationGroup="Submit"></asp:RequiredFieldValidator>

                    </td>
                </tr>

                <tr>
                    <td>Last Name</td>
                    <td>
                        <asp:TextBox ID="txtLastName" runat="server"></asp:TextBox></td>
                    <asp:RequiredFieldValidator ID="rfvTxtLastName" runat="server" ErrorMessage="please enter your surname" ControlToValidate=" txtLastName" ValidationGroup="submit"></asp:RequiredFieldValidator>
                </tr>
                <tr>
                    <td>Email</td>
                    <td>
                        <asp:TextBox ID="txtEmail" runat="server"></asp:TextBox></td>
                    <asp:RegularExpressionValidator ID="revtxtEmail" runat="server" ErrorMessage="invalid Email Format" ControlToValidate="txtEmail" ValidationGroup="submit" ValidationExpression="^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$"></asp:RegularExpressionValidator>
                </tr>

                <tr>
                    <td>Subjects Available</td>

                    <td>
                        <asp:ListBox ID="ltbSubjectsAvailable" runat="server"></asp:ListBox>
                    </td>
                </tr>
                <tr>
                    <td>Subjects Selected</td>

                    <td>
                        <asp:ListBox ID="ltbSubjectsSelected" runat="server"></asp:ListBox></td>

                </tr>
                <tr>
                    <td>Password</td>
                    <td>
                        <asp:TextBox ID="txtPassword" TextMode="Password" runat="server"></asp:TextBox></td>
                    <asp:RequiredFieldValidator ID="rfvTxtPassword" runat="server" ErrorMessage="Please enter password" ControlToValidate="txtPassword" ValidationGroup="Submit"></asp:RequiredFieldValidator>
                </tr>

                <tr>
                    <td>Confirm Password</td>
                    <td>
                        <asp:TextBox ID="txtPasswordChange" TextMode="Password" runat="server"></asp:TextBox></td>
                    <asp:CompareValidator ID="cpvChangePassword" runat="server" ErrorMessage="Passwords do not match" ControlToValidate=" textPasswordChange" ControlToCompare="txtPassword"></asp:CompareValidator>
                </tr>
                <tr>
                    <td>
                        <asp:Button ID="btnSubmit" runat="server" ValidationGroup="Submit" Text="Button" /></td>
                </tr>

            </table>


        </div>
    </form>
</body>
</html>

Answer 1

也许这就是解决方案：在web.config中更改编译器版本

web config compiler version

Answer 2

如果您看到错误消息的底部

Asp.net版本是4.6 .net框架是4.0

确保您在正确的框架中进行编译。

编译错误没有相关的源代码行

2 个答案: