fileupload和必需的验证器 [英] fileupload and Required validator

问题描述

嗨朋友



这是我的代码

hi friends

this is my code

<asp:FileUpload ID="FileUpload1" runat="server" />
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"

            ControlToValidate="FileUpload1" ErrorMessage="File Required!">
        </asp:RequiredFieldValidator>
        <br />
        <asp:Button ID="Button1" onclick="Button1" runat="server" Text="Upload" />

如果没有选择文件并单击按钮就可以正常工作

但是

如果我选择任何文件并单击它显示服务器错误按钮

访问被拒绝服务器错误显示..

请帮助我

if no file is selected and click the button it works fine
but
if any file i select and click the button it shows server error
access is denied server error is showing ..
please help me

推荐答案

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"

            ControlToValidate="FileUpload1" ErrorMessage="File Required!" ValidationGroup="a">
        </asp:RequiredFieldValidator>
        <br />
        <asp:Button ID="Button2" runat="server" Text="Button" ValidationGroup="a" />

检查这个

check this

使用此代码我不会收到错误。

试试这个代码!!

只需修改onclick按钮事件。



aspx：

i can''t get error by using this code.
Try this code!!
just modify onclick event of button.

aspx:

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="FileUpload1"
       ErrorMessage="File Required!">
   </asp:RequiredFieldValidator>
   <br />
   <asp:Button ID="Button1" runat="server" Text="Upload" onclick="Button1_Click" />
   <asp:Label ID="newlbl" runat="server"></asp:Label>

aspx.cs：

aspx.cs:

protected void Button1_Click(object sender, EventArgs e)
{
    if (FileUpload1.HasFile)
    {
        newlbl.Text = FileUpload1.PostedFile.FileName;
    }
}

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