Delete all files using ASP.NET and VB

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Delete all files using ASP.NET and VB 2005

ASP.NET File Tutorial

This tutorial will show you how to delete all files under a folder.

This tutorial will show you how to delete all files under a folder. First, import the namespace of System. IO. System. IO namespace containing the type allowing the read-write document and the data stream and provides the type that the basic document and the catalogue support.

Imports System.ID

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The Button1_Click event is to perform the delete all file under a folder. We using GetDirectories to returns the subdirectories of the current directory, using GetFiles to returns all files of the current directory. And we can delete all file and directory with looping.

Partial Class _Default

Inherits System.Web.UI.Page

Protected Sub btnOk_Click(ByVal sender As Object, ByVal e As System.EventArgs)

Dim Dire() As DirectoryInfo
Dim file() As FileInfo
Dim i As Integer

If txtPath.Text <> "" Then

Dim dir As New DirectoryInfo(txtPath.Text)
Dire = dir.GetDirectories()
file = dir.GetFiles()
If Dire.Length > 0 Then

For i = 0 To Dire.Length - 1

Dire(i).Delete(True)

End If
If file.Length > 0 Then

For i = 0 To file.Length - 1

file(i).Delete()

End If

End Sub

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

End Sub

End Class

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The front end Default.aspx page looks something like this:

<fieldset style="margin-left: 100px; margin-right: 100px">
<legend>
Deleting all File
</legend>
<asp:Label ID="lblInput" runat="server" Text="Please Choose Path:" Width="130px"></asp:Label> 
<asp:TextBox ID="txtPath" runat="server"></asp:TextBox> 
<br />
<br />
<asp:Button ID="btnOk" runat="server" OnClick="btnOk_Click" Text="Ok" Width="91px" /></fieldset>

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The flow for the code behind page is as follows.

Imports System.IO

Partial Class _Default