fileupload and Required validator

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hi friends

this is my code

XML

<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" />

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

Posted 20-Mar-13 22:38pm

sreeCoderMan

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Manohar_manu · Answer 1 · 2013-03-20T22:48:00

XML

<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" />

check this

sainadh.chintha · Answer 2 · 2013-03-20T23:01:00

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

aspx:

C#

<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:

C#

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

fileupload and Required validator

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