ASP.NET Tutorial/File Directory/Directory

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AutoPostBack is true

   <source lang="csharp">

<%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   Sub txtSearch_TextChanged(ByVal sender As Object, ByVal e As EventArgs)
       lblSearchResults.Text = "Search for: " & txtSearch.Text
   End Sub

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> 

   <title>TextBox AutoPostBack</title>

</head> <body> 

   <form id="form1" runat="server">

   <asp:Label
       id="lblSearch"
       Text="Search:"
       Runat="server" />
   <asp:TextBox
       id="txtSearch"
       AutoPostBack="true"
       OnTextChanged="txtSearch_TextChanged"
       Runat="server" />
   
   <asp:Label
       id="lblSearchResults"
       Runat="server" />
   

   </form>

</body> </html></source>


Get directory information (VB.net)

   <source lang="csharp">

<%@ Import Namespace="System.IO" %> <script language="VB" runat="server"> 

  sub Page_Load(Sender as Object, e as EventArgs)
     dim f as new FileInfo(Server.MapPath("test.aspx"))
   
     dim dir as DirectoryInfo = f.Directory
     
     lblMessage.Text += "Directory information
" & _
        "Name: " & dir.Name & "
" & _
        "Full name: " & dir.FullName & "
" & _
        "Last access time: " & dir.LastAccessTime & _
           "
" & _
        "Last write time: " & dir.LastWriteTime & _
           "
" & _
        "Parent: " & dir.Parent.Name & "
"
    
     
  end sub

</script> <html><body> 

  <asp:label id="lblMessage" runat=server/>

</body></html></source>


Get file names under a directory

   <source lang="csharp">

<%@ Page Language="VB" %> <%@ Import Namespace="System.IO" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   Sub Page_Load()
       lnkRandom.NavigateUrl = GetRandomFile()
   End Sub
   Function GetRandomFile() As String
       Dim files As String() = Directory.GetFiles(MapPath(Request.ApplicationPath), "*.aspx")
       Dim rnd As New Random()
       Dim rndFile As String = files(rnd.Next(files.Length))
       Return Path.GetFileName(rndFile)
   End Function

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> 

   <title>Show HyperLink</title>

</head> <body> 

   <form id="form1" runat="server">

   <asp:HyperLink
       id="lnkRandom"
       Text="Random Link"
       Runat="server" />
   

   </form>

</body> </html></source>


Setting and displaying the application"s working directory (C#)

   <source lang="csharp">

<%@ Page Language="C#" %> <%@ Import Namespace="System.IO" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   protected void Page_Load(object sender, EventArgs e)
   {
       this.Label1.Text = Directory.GetCurrentDirectory();
       Directory.SetCurrentDirectory(@"C:\");
       this.Label2.Text = Directory.GetCurrentDirectory();
   }

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> 

   <title>Untitled Page</title>

</head> <body> 

   <form id="form1" runat="server">

       Old Working Directory: 
           <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

       New Working Directory: 
           <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
   

   </form>

</body> </html></source>


Setting and displaying the application"s working directory (VB)

   <source lang="csharp">

<%@ Page Language="VB" %> <%@ Import Namespace="System.IO" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
       Me.Label1.Text = Directory.GetCurrentDirectory()
       Directory.SetCurrentDirectory("C:\")
       Me.Label2.Text = Directory.GetCurrentDirectory()
   End Sub

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> 

   <title>Untitled Page</title>

</head> <body> 

   <form id="form1" runat="server">

       Old Working Directory: 
           <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

       New Working Directory: 
           <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
   

   </form>

</body> </html></source>


static methods of the Directory class (C#)

   <source lang="csharp">

<%@ Page Language="C#" %> <%@ Import Namespace="System.IO" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   protected void Page_Load(object sender, EventArgs e)
   {
       Directory.CreateDirectory(@"C:\");
       
       if (Directory.Exists(@"C:\") )
       {
           this.Label1.Text = Directory.GetCreationTime(@"C:\").ToString();
           this.Label2.Text = Directory.GetLastAccessTime(@"C:\").ToString();
           this.Label3.Text = Directory.GetLastWriteTime(@"C:\").ToString();
           Directory.Delete(@"C:\");
       }
   }

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> 

   <title>Untitled Page</title>

</head> <body> 

   <form id="form1" runat="server">

       Creation Time: 
             <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

       Last Access Time: 
             <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>

       Last Write Time:
             <asp:Label ID="Label3" runat="server" Text="Label"></asp:Label>
   

   </form>

</body> </html></source>


static methods of the Directory class (VB)

   <source lang="csharp">

<%@ Page Language="VB" %> <%@ Import Namespace="System.IO" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> 

   Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
       
       Directory.CreateDirectory("C:\")
       
       If Directory.Exists("C:\") Then
      
           Me.Label1.Text = Directory.GetCreationTime("C:\").ToString()
           Me.Label2.Text = Directory.GetLastAccessTime("C:\").ToString()
           Me.Label3.Text = Directory.GetLastWriteTime("C:\").ToString()
           Directory.Delete("C:\")
       End If
   End Sub

</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> 

   <title>Untitled Page</title>

</head> <body> 

   <form id="form1" runat="server">

       Creation Time: 
             <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

       Last Access Time: 
             <asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>

       Last Write Time:
             <asp:Label ID="Label3" runat="server" Text="Label"></asp:Label>
   

   </form>

</body> </html></source>

Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/File_Directory/Directory&oldid=3008»