Search Box in Intranet Application, Asp.net

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ASP.NET

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Hi Every One ,

1.its an Intranet application ..all the files(pdf,excel,text...etc) are maintained in an folder called "DAL"
2.in my home page i have an search button...when i search files it should only search in "DAL" Directory and have to display the searched files in a page..(upto here its working).
3.after displaying in an page i should have to download those searched files.

upto 2nd point its working ..just like read only...but i cant able to download..
i want to download those files after searching and displaying in the page..
here am attaching those .aspx and .aspx.cs files for referance.
* i feel those files should display in grid,repeater or as a links. but when i click file it should download.


c#.net :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class SEARCH : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        {
            string search = TextBox1.Text;
            string[] files = Directory.GetFiles(@"F:\\abcd.co.in\DAL\", "*.*", SearchOption.AllDirectories);
            int Flag = 0;
            string dir = @"F:\\abcd.co.in\DAL\";
            string[] files1;
            int numFiles;
            files1 = Directory.GetFiles(dir);

            numFiles = files.Length;
            Response.Write("Files searched : " + numFiles + "<br>");
            for (int i = 0; i < numFiles; i++)
            {


                string file = files[i].ToString();

                int file1 = file.IndexOf(search, StringComparison.CurrentCultureIgnoreCase);
                if (file1 != -1)
                {
                                      Response.Write("<br>" + file);
                    ////GridView1.DataSource = file;
                    ////GridView1.DataBind();


                    Flag = 1;


                }

            }
            if (Flag == 0)
            {
                Response.Write("No Matches Found");
            }
        }
    }
}

inline code :
<pre lang="xml">&lt;%@ Page Language=&quot;C#&quot; AutoEventWireup=&quot;true&quot; CodeFile=&quot;SEARCH.aspx.cs&quot; Inherits=&quot;SEARCH&quot; %&gt;

&lt;!DOCTYPE html PUBLIC &quot;-//W3C//DTD XHTML 1.0 Transitional//EN&quot; &quot;http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd&quot;&gt;

&lt;html xmlns=&quot;http://www.w3.org/1999/xhtml&quot;&gt;
&lt;head runat=&quot;server&quot;&gt;
    &lt;title&gt;&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;
    &lt;form id=&quot;form1&quot; runat=&quot;server&quot;&gt;
    &lt;div&gt;

        &lt;asp:TextBox ID=&quot;TextBox1&quot; runat=&quot;server&quot;&gt;&lt;/asp:TextBox&gt;
        &lt;asp:Button ID=&quot;Button1&quot; runat=&quot;server&quot; onclick=&quot;Button1_Click&quot; Text=&quot;Button&quot; /&gt;

        &lt;br /&gt;
        &lt;br /&gt;

    &lt;/div&gt;
    &lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;</pre>