file upload in asp.net 4.0

Step 1)  Create an ASP.NET WEB APPLICATION 
Step 2) Create  a directory called Uploads 

Step 3) add a new page called   fileuploads.aspx
         add 3 controls to it   FileUpload control, 2. Label for status 3.Button control to initiate upload process.

<asp:FileUpload ID="FileUpload1" runat="server" Height="69px" Width="422px" />
 
    </div>
    <p>
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
    </p>
    <p>
        <asp:Button ID="btnUpload" runat="server" onclick="btnUpload_Click"
            Text="Upload" Width="220px" />
    </p>

Step 4)  Add button event handler in for btnUpload

   

 protected void btnUpload_Click(object sender, EventArgs e)

    {

        try

        {

            String str = MapPath("~/Uploads/" + FileUpload1.FileName);

            FileUpload1.SaveAs(str);

            Label1.Text = FileUpload1.FileName + FileUpload1.FileContent.Length;

                

        }

        catch (Exception ex)

        {

            Label1.Text = ex.Message;

        }

Step 5)  Run the Application/F5

   after uploading user will get  "Access to the path 'C:\inetpub\wwwroot\fileup\Uploads\flv.txt' is denied."

Give permissions to upload directory...

1) select uploads directory --> right click--> properties-->security tab-->

   select   Users(Servername\Users) --> edit

     again select Users(Servername\Users) -> select write permission  as shown below

upload output