path does not exist in current context

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when i try to add linkbutton and want to download file then it shows me error
code

C#

protected void lnkdownload_Click(object sender, EventArgs e)
        {

            Response.Clear();
            LinkButton l1 = (LinkButton)sender;
            string filenm = l1.CommandArgument;

            Response.ContentType = ContentType;
            Response.AddHeader("Content-Disposition", "attachment; filename=\"" + Path.GetFileName(filenm) + "\"");
            Response.Charset = "";
            Response.WriteFile(filenm);
            Response.End();
        }

error
the path does not exist in current context

Posted 23-Feb-14 21:58pm

Diya Ayesa

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Comments

Maciej Los 24-Feb-14 4:03am

Server.MapPath method[^]

Diya Ayesa 24-Feb-14 4:12am

ok now i try this
protected void LinkButton1_Click(object sender, EventArgs e)
{

Response.Clear();
LinkButton l1 = (LinkButton)sender;
string filenm = l1.CommandArgument;
string Path = MapPath("~/Docfiles/" + filenm);
byte[] bts = System.IO.File.ReadAllBytes(Path);
Response.Clear();
Response.ClearHeaders();
Response.AddHeader("Content-Type", "Application/octet-stream");
Response.AddHeader("Content-Length", bts.Length.ToString());
Response.AddHeader("Content-Disposition", "attachment; filename=" + filenm);
Response.BinaryWrite(bts);
Response.Flush();
Response.End();
}

but when on file it does not download

ravikhoda 24-Feb-14 4:40am

what is the value of filenm ? also check if that file is physically available on that location inside Docfiles folder ?

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**VICK** · Answer 1 · 2014-02-23T23:22:00

Solution 1

To download a file on button click , Kindly have a look on a little trick posted by me on the following link.

File Download on Image Button or Button Click

hope it will help. :)

Posted 23-Feb-14 23:22pm

VICK