1. Out put
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div style="font-family: Arial">
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="Button1" runat="server" Text="Upload" OnClick="Button1_Click" />
<br />
<br />
<br />
<asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" CellPadding="4"
AutoGenerateColumns="False" OnRowCommand="GridView1_RowCommand">
<Columns>
<asp:TemplateField HeaderText="File">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CommandArgument='<%# Eval("File") %>' CommandName="Download" Text='<%# Eval("File") %>'></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="Size" HeaderText="Size In Bytes" />
<asp:BoundField DataField="Type" HeaderText="File Type" />
</Columns>
<FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />
<PagerStyle BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />
<RowStyle BackColor="White" ForeColor="#330099" />
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />
<SortedAscendingCellStyle BackColor="#FEFCEB" />
<SortedAscendingHeaderStyle BackColor="#AF0101" />
<SortedDescendingCellStyle BackColor="#F6F0C0" />
<SortedDescendingHeaderStyle BackColor="#7E0000" />
</asp:GridView>
</div>
</form>
</body>
</html>
3. Code Behind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Data;
namespace UploadAndDownload
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
gridBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Data/") + FileUpload1.FileName);
}
gridBind();
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Download")
{
Response.Clear();
Response.ClearContent();
Response.ClearHeaders();
Response.Buffer = true;
Response.ContentType = "application/octect-stream";
Response.AppendHeader("Content-Disposition", "filename=" + e.CommandArgument);
Response.TransmitFile(Server.MapPath("~/Data/") + e.CommandArgument);
Response.End();
}
}
private void gridBind()
{
DataTable dt = new DataTable();
dt.Columns.Add("File", typeof(String));
dt.Columns.Add("Size", typeof(String));
dt.Columns.Add("Type", typeof(String));
foreach (string strFile in Directory.GetFiles(Server.MapPath("~/Data/")))
{
FileInfo fi = new FileInfo(strFile);
dt.Rows.Add(fi.Name, fi.Length, fi.Extension);
}
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
}
