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 Deleting a directory using ASP.NET 2.0 and VB .NET

This tutorial will show you how to delete a directory on the disk using ASP.NET 2.0 and VB.NET

The .NET Framework offers a number of types that makes accessing resources on filesystems easy to use.

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To delete a simple directory to the disk, we will need to first import the System.IO namespace. The System.IO namespace contains the Delete() method that we will use to perform our delete with.

imports System.IO

We'll put our code in the btnSubmit_Click() event.

When the btnSubmit_Click() event fires it executes the Delete() method of the Directory namespace with the specified directory name in with the current directory (MapPath(".")) concatenating with our directory name and the boolean value of chkRecurse. This last argument specifies whether or not we would like to delete every subdirectory within our primary directory.

Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Try
Directory.Delete(MapPath(".") & "\" & txtDir.Text, chkRecurse.Checked)
Catch ex As Exception
lblStatus.Text = ex.Message
End Try
End Sub

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We have one textbox,a Submit button, a label, and a checkbox on the front end for user interaction. The front end .aspx page looks something like this:

<table width="600" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#cccccc">
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1"> Directory to Create:</td>
<td align="center" bgcolor="#FFFFFF">
<asp:TextBox ID="txtDir" runat="server"></asp:TextBox>
<asp:CheckBox ID="chkRecurse" runat="server" Text="Recursive Delete" /><br />
<asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="btnSubmit_Click" /><br /> &nbsp;
<asp:label ID="lblStatus" runat="server"></asp:label></td>
</tr>
</table>

The flow for the code behind page is as follows.

Imports System.IO
Partial Class _Default
Inherits System.Web.UI.Page

Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Try
Directory.Delete(MapPath(".") & "\" & txtDir.Text, chkRecurse.Checked)
Catch ex As Exception
lblStatus.Text = ex.Message
End Try
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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