防止提交除非所有字段都填写为asp.net和c＃（多项选择测验）

Question

我正在尝试创建一个多项选择测验，用户将回答问题，并在提交时显示分数，如果他们不回答其中一个问题，我会使用必填字段验证器来提供信息，但是即使我在点击提交时没有完成所有问题，系统仍将计算他们的分数。 我需要能够停止提交，直到所有单选按钮列表完成，但我不知道如何做到这一点。 我的代码在这里：

<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">

    <asp:Label ID="QLabel1" runat="server" Text="Question 1"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList1" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q1requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList1" CssClass="text-danger" ErrorMessage="Ensure question 1 is completed"></asp:RequiredFieldValidator>
    </div>

    <asp:Label ID="QLabel2" runat="server" Text="Question 2"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList2" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q2requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList2" CssClass="text-danger" ErrorMessage="Ensure question 2 is completed"></asp:RequiredFieldValidator>
    </div>

    <asp:Label ID="QLabel3" runat="server" Text="Question 3"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList3" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q3requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList3" CssClass="text-danger" ErrorMessage="Ensure question 3 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel4" runat="server" Text="Question 4"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList4" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q4requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList4" CssClass="text-danger" ErrorMessage="Ensure question 4 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel5" runat="server" Text="Question 5"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList5" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q5requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList5" CssClass="text-danger" ErrorMessage="Ensure question 5 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel6" runat="server" Text="Question 6"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList6" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q6requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList6" CssClass="text-danger" ErrorMessage="Ensure question 6 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel7" runat="server" Text="Question 7"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList7" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q7requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList7" CssClass="text-danger" ErrorMessage="Ensure question 7 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel8" runat="server" Text="Question 8"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList8" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q8requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList8" CssClass="text-danger" ErrorMessage="Ensure question 8 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel9" runat="server" Text="Question 9"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList9" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q9requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList9" CssClass="text-danger" ErrorMessage="Ensure question 9 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Label ID="QLabel10" runat="server" Text="Question 10"></asp:Label>
    <asp:RadioButtonList ID="RadioButtonList10" runat="server"
        RepeatDirection="Horizontal" RepeatLayout="Table">
        <asp:ListItem Text="*Answer 1*" Value="Incorrect 1" />
        <asp:ListItem Text="*Answer 2*" Value="Correct" />
        <asp:ListItem Text="*Answer 3*" Value="I" />
        <asp:ListItem Text="*Answer 4*" Value="4" />
    </asp:RadioButtonList>
    <div>
        <asp:RequiredFieldValidator ID="Q10requiredvalidator" runat="server" Display="Dynamic" ControlToValidate="RadioButtonList10" CssClass="text-danger" ErrorMessage="Ensure question 10 is completed"></asp:RequiredFieldValidator>
    </div>
    <asp:Button ID="Button1" runat="server" Text="Submit Final Answers" OnClick="Submit_Click" Visible="true" />

    <script runat="server">
        protected void Submit_Click(object sender, EventArgs e)
        {
            int score = 0;
            List<RadioButtonList> list = new List<RadioButtonList>() { RadioButtonList1, RadioButtonList2, RadioButtonList3, RadioButtonList4, RadioButtonList5, RadioButtonList6, RadioButtonList7, RadioButtonList8, RadioButtonList9, RadioButtonList10 };
            foreach (var element in list)
            {
                if (element.SelectedValue == "Correct")
                {
                    score++;
                }

            }
            Response.Write("you scored: " + score);
            Button1.Visible = false;
        }
    </script>


</asp:Content>

在点击提交之前：

在没有答案填写时点击提交：

我的提交按钮会消失，但我希望能够阻止它被提交并且分数输出直到所有问题都得到解答。

对所有这些都是新的，如果这看似简单或愚蠢，那就很抱歉。 感谢