Follow the below code or download the zipped
code.
Here I am writing program to upload files into
a folder and after it how to delete these files one by one.
.aspx code
<%@
Page Language="C#"
AutoEventWireup="true"
CodeFile="Default2.aspx.cs"
Inherits="Default2"
%>
<!DOCTYPE
html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html
xmlns="http://www.w3.org/1999/xhtml">
<head
id="Head1"
runat="server">
<title></title>
</head>
<body>
<form id="form1"
runat="server">
<div>
<asp:FileUpload
ID="FileUpload1"
runat="server"
/>
<asp:Button
ID="Button1"
runat="server"
OnClick="Button1_Click"
Text="upload"
/>
<br
/>
<br
/>
<br
/>
<br
/>
<asp:DropDownList
ID="DropDownList1"
runat="server">
</asp:DropDownList>
<asp:Button
ID="Button2"
runat="server"
Text="delete"
OnClick="Button2_Click"
/>
<br
/>
</div>
</form>
</body>
</html>
.cs code
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
System.IO;
public
partial class
Default2 : System.Web.UI.Page
{
protected void Page_Load(object
sender, EventArgs e)
{
if (!Page.IsPostBack)
{
bind();
}
}
protected void Button1_Click(object
sender, EventArgs e)
{
string silename = FileUpload1.FileName;
string path = Server.MapPath("~/upload/");
string fullpath = path + silename;
FileUpload1.SaveAs(fullpath);
bind();
}
public void bind()
{
DropDownList1.Items.Clear();
string path = Server.MapPath("~/upload/");
Directory.GetFiles(path);
foreach (var
filenam in Directory.GetFiles(path))
{
string filename = filenam.ToString();
filename =
filename.Replace(path, "").ToString();
DropDownList1.Items.Add(filename.ToString());
}
DropDownList1.DataBind();
}
protected void Button2_Click(object
sender, EventArgs e)
{
string file =
DropDownList1.SelectedItem.ToString();
string path = Server.MapPath("~/upload/");
string fullpath = path + file;
File.Delete(fullpath);
bind();
}
}