Question

Set a file/folder permission using asp .net

Asked by: raviLearning

I have a situation where I need to create a folder from my application in the file system and set its permission from the code itself.

Thanks
Ravi

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Asked On
2008-05-30 at 04:10:33ID23444174
Tags

vb .net, asp .net

,

IE 7

Topics

Miscellaneous Web Development

,

Programming for ASP.NET

Participating Experts
1
Points
500
Comments
7

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Answers

 

by: MurtiePosted on 2008-05-30 at 05:40:31ID: 21677140


Hi,

One way of doing this in Vb .NET

imports System.IO

public class MainClass
   Shared Sub Main()

File.Create("d:\test.tx")
        Dim oFp As FileIOPermission = New _
        FileIOPermission(FileIOPermissionAccess.Write, "d:\test.txt")
        oFp.Assert()
        Try
            Dim objWriter As New IO.StreamWriter(File.Open("d:\test.txt", IO.FileMode.Open))
            objWriter.WriteLine("Hi there!")
            objWriter.Flush()
            objWriter.Close()
            objWriter = Nothing
        Catch objA As System.Exception
            Console.WriteLine(objA.Message)
        End Try

   End Sub
End Class

 

by: raviLearningPosted on 2008-05-31 at 01:44:54ID: 21683162

I was looking for a solution using ASP .net

 

by: MurtiePosted on 2008-06-02 at 02:53:56ID: 21690668

Your ASP .NET has either a c# or a vb .net codeFile or on the same file in <% %> brackets:

I have created an example below, hope it helps.

Murtie

' VB CODE Default.vb
Imports System.io
Imports System.Security.Permissions
 
 
Partial Class _Default
    Inherits System.Web.UI.Page
 
    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
 
 
        File.Create(Me.Server.MapPath("~/Files/") & "test.txt")
        Dim oFp As System.Security.Permissions.FileIOPermission = New _
        FileIOPermission(FileIOPermissionAccess.Write, Me.Server.MapPath("~/Files/") & "test.txt")
        oFp.Assert()
        Try
            Dim objWriter As New IO.StreamWriter(File.Open(Me.Server.MapPath("~/Files/") & "test.txt", IO.FileMode.Open))
            objWriter.WriteLine("Hi there!")
            objWriter.Flush()
            objWriter.Close()
            objWriter = Nothing
        Catch objA As System.Exception
            Console.WriteLine(objA.Message)
        End Try
 
 
 
    End Sub
End Class
 
' ASP PAGE Default.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
 
<!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 runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="Button" /></div>
    </form>
</body>
</html>
                                              
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by: raviLearningPosted on 2008-06-02 at 05:27:48ID: 21691331

Thanks For you comments,

But my requirements was for defining permissions for a folder from the code.

 

by: MurtiePosted on 2008-06-02 at 05:52:13ID: 21691485

Here you go:


:o)

' VB CODE Default.vb
Imports System.io
Imports System.Security.Permissions
 
 
Partial Class _Default
    Inherits System.Web.UI.Page
 
    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
 
 
        Directory.CreateDirectory(Me.Server.MapPath("~/YOURFOLDERNAME/"))
        Dim oFp As System.Security.Permissions.FileIOPermission = New _
        FileIOPermission(FileIOPermissionAccess.Write, Me.Server.MapPath("~/YOURFOLDERNAME/") )
        oFp.Assert()
        Try
            Dim objWriter As New IO.StreamWriter(File.Open(Me.Server.MapPath("~/Files/") & "test.txt", IO.FileMode.Open))
            objWriter.WriteLine("Hi there!")
            objWriter.Flush()
            objWriter.Close()
            objWriter = Nothing
        Catch objA As System.Exception
            Console.WriteLine(objA.Message)
        End Try
 
 
 
    End Sub
End Class
 
' ASP PAGE Default.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
 
<!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 runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="Button" /></div>
    </form>
</body>
</html>

                                              
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by: MurtiePosted on 2008-06-02 at 05:53:55ID: 21691494

Sorry heres the correct one:

' VB CODE Default.vb
Imports System.io
Imports System.Security.Permissions
 
 
Partial Class _Default
    Inherits System.Web.UI.Page
 
    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
 
 
        Directory.CreateDirectory(Me.Server.MapPath("~/YOURFOLDERNAME/"))
        Dim oFp As System.Security.Permissions.FileIOPermission = New _
        FileIOPermission(FileIOPermissionAccess.Write, Me.Server.MapPath("~/YOURFOLDERNAME/") )
        oFp.Assert()
        
 
 
 
    End Sub
End Class
 
' ASP PAGE Default.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
 
<!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 runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" Text="Button" /></div>
    </form>
</body>
</html>

                                              
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