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   protected void Page_Load(object sender, EventArgs e)
    {
        string strFilePath = Session["FILE_PATH"].ToString();
        string strFileName = Session["FILE_NAME"].ToString();
        Response.AppendHeader("Content-Transfer-Encoding", "base64");
        Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(strFileName));
        Response.Flush();
        Response.WriteFile(strFilePath);
        Response.End();
    }


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using System.Collections.Generic;
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using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
StartClientCaching();
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