ASP.NET

<br />
<br />
 mypath = myFileName<br />
            file = New System.IO.FileInfo(mypath)<br />
            If file.Exists Then<br />
                frm.Response.Clear()<br />
                frm.Response.AddHeader("Content-Disposition", "attachment; filename=" & file.Name)<br />
                frm.Response.AddHeader("Content-Length", file.Length.ToString())<br />
                frm.Response.ContentType = strType<br />
                frm.Response.WriteFile(file.FullName)<br />
                frm.Response.End()<br />
            Else<br />
                frm.Response.Write("This file does not exist.")<br />
            End If<br />

CheckBox ch = new CheckBox ();<br />
<br />
for(int count=0;count<= gw.Rows.Count;count++ )<br />
{<br />
if(((CheckBox)r.FindControl( "ch1" )).Checked)<br />
<br />
}