ASP.Net/Components/File Browser

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Get file list under control folder (C#)

   <source lang="csharp">

<%@ Page Language="C#" %> <%@ Import Namespace="System.IO" %> <script runat="server">

   protected void btnAdd_Click(object sender, EventArgs e)
   {
       if (upImage.HasFile)
       {
           if (CheckFileType(upImage.FileName))
           {
               upImage.SaveAs(MapPath(upImage.FileName));
           }
       }
   }
   bool CheckFileType(string fileName)
   {
       string ext = Path.GetExtension(fileName);
       switch (ext.ToLower())
       {
           case ".gif":
               return true;
           case ".png":
               return true;    
           case ".jpg":
               return true;            
           case ".jpeg":
               return true;
           default:
               return false;        
       }
   }
   void Page_PreRender()
   {
       string upFolder = MapPath(".");
       DirectoryInfo dir = new DirectoryInfo(upFolder);
       dlstImages.DataSource = dir.GetFiles();
       dlstImages.DataBind();
   }

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

   <title>FileUpload File</title>

</head> <body>

   <form id="form1" runat="server">
   <asp:Label
       id="lblImageFile"
       Text="Image File:"
       AssociatedControlID="upImage"
       Runat="server" />
   <asp:FileUpload
       id="upImage"
       Runat="server" />
   

<asp:Button id="btnAdd" Text="Add Image" OnClick="btnAdd_Click" Runat="server" />

   <asp:DataList
       id="dlstImages"
       RepeatColumns="3"
       runat="server">
       <ItemTemplate>
       <asp:Image ID="Image1" 
           ImageUrl="<%# Eval("Name", "./{0}") %>"
           style="width:200px"
           Runat="server" />
       
<%# Eval("Name") %> </ItemTemplate> </asp:DataList>
   </form>

</body> </html>

      </source>
   
  


View file info (C#)

   <source lang="csharp">

<%@ Page language="c#" src="ViewFiles.aspx.cs" AutoEventWireup="false" Inherits="ViewFiles" %> <HTML>

 <body>
   <form id="Form1" method="post" runat="server">
     <asp:Label id="Label1" style="Z-INDEX: 101; LEFT: 16px; POSITION: absolute; TOP: 24px" runat="server" Font-Names="Verdana" Font-Bold="True">Files in the FTP Directory:</asp:Label>
     <asp:ListBox id="lstFiles" style="Z-INDEX: 102; LEFT: 16px; POSITION: absolute; TOP: 56px" runat="server" Width="256px" Height="264px" AutoPostBack="True" Font-Names="Verdana"></asp:ListBox>
     <asp:Button id="cmdRefresh" style="Z-INDEX: 103; LEFT: 16px; POSITION: absolute; TOP: 328px" runat="server" Width="72px" Height="32px" Text="Refresh"></asp:Button>
     <asp:Label id="Label2" style="Z-INDEX: 104; LEFT: 296px; POSITION: absolute; TOP: 24px" runat="server" Width="248px" Height="24px" Font-Names="Verdana" Font-Bold="True">Selected File Information:</asp:Label>
     <asp:Label id="lblFileInfo" style="Z-INDEX: 105; LEFT: 296px; POSITION: absolute; TOP: 56px" runat="server" Width="312px" Height="264px" BorderStyle="Groove" BorderWidth="2px" Font-Names="Verdana" Font-Size="X-Small"></asp:Label>
     <asp:Button id="cmdDelete" style="Z-INDEX: 106; LEFT: 520px; POSITION: absolute; TOP: 328px" runat="server" Width="89px" Height="32px" Text="Delete File"></asp:Button>
   </form>
 </body>

</HTML> <%-- using System; using System.Collections; using System.ruponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.IO;

 public class ViewFiles : System.Web.UI.Page
 {
   protected System.Web.UI.WebControls.Label Label1;
   protected System.Web.UI.WebControls.ListBox lstFiles;
   protected System.Web.UI.WebControls.Button cmdRefresh;
   protected System.Web.UI.WebControls.Label Label2;
   protected System.Web.UI.WebControls.Label lblFileInfo;
   protected System.Web.UI.WebControls.Button cmdDelete;
   string ftpDirectory = System.Web.HttpContext.Current.Server.MapPath("yourfolderHere");//@"c:\Temp";
   private void Page_Load(object sender, System.EventArgs e)
   {
     if (!this.IsPostBack)
     {
       CreateFileList();
     }
   }
   private void CreateFileList()
   {
     string[] fileList = Directory.GetFiles(ftpDirectory);
     lstFiles.DataSource = fileList;
     lstFiles.DataBind();
     lblFileInfo.Text = "";
     cmdDelete.Enabled = false;
   }
   #region Web Form Designer generated code
   override protected void OnInit(EventArgs e)
   {
     InitializeComponent();
     base.OnInit(e);
   }
   
   private void InitializeComponent()
   {    
     this.lstFiles.SelectedIndexChanged += new System.EventHandler(this.lstFiles_SelectedIndexChanged);
     this.cmdRefresh.Click += new System.EventHandler(this.cmdRefresh_Click);
     this.cmdDelete.Click += new System.EventHandler(this.cmdDelete_Click);
     this.Load += new System.EventHandler(this.Page_Load);
   }
   #endregion
   private void cmdRefresh_Click(object sender, System.EventArgs e)
   {
         CreateFileList();
   }
   private void cmdDelete_Click(object sender, System.EventArgs e)
   {
   //  File.Delete(lstFiles.SelectedItem.Text);
     //CreateFileList();
   }
   private void lstFiles_SelectedIndexChanged(object sender, System.EventArgs e)
   {
     string fileName = lstFiles.SelectedItem.Text;
     lblFileInfo.Text = "" + fileName + "
"; lblFileInfo.Text += "Created : "; lblFileInfo.Text += File.GetCreationTime(fileName).ToString(); lblFileInfo.Text += "
Last Accessed : "; lblFileInfo.Text += File.GetLastAccessTime(fileName).ToString(); lblFileInfo.Text += "
"; FileAttributes attributes = File.GetAttributes(fileName); if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden) { lblFileInfo.Text += "This is a hidden file." + "
"; } if ((attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly) { lblFileInfo.Text += "This is a read-only file." + "
"; } if ((attributes & FileAttributes.ReadOnly) != FileAttributes.ReadOnly) { cmdDelete.Enabled = true; } else { cmdDelete.Enabled = false; } } }

--%>

      </source>
   
  


Web based file browser (C#)

   <source lang="csharp">

<%@ Page language="c#" src="FileBrowser.aspx.cs" AutoEventWireup="false" Inherits="FileBrowser" %> <HTML>

 <body>
   <form id="Form1" method="post" runat="server">
     <asp:ListBox id="lstDirs" style="Z-INDEX: 101; LEFT: 32px; POSITION: absolute; TOP: 72px" runat="server" Width="248px" Height="208px" Font-Names="Verdana"></asp:ListBox>
     <asp:Button id="cmdParent" style="Z-INDEX: 109; LEFT: 176px; POSITION: absolute; TOP: 280px" runat="server" Text="Up One Level" Width="100px" Height="24px"></asp:Button>
     <asp:Button id="cmdShowInfo" style="Z-INDEX: 107; LEFT: 312px; POSITION: absolute; TOP: 280px" runat="server" Text="Show Info"></asp:Button>
     <asp:Label id="Label2" style="Z-INDEX: 104; LEFT: 312px; POSITION: absolute; TOP: 56px" runat="server" Width="192px" Height="24px" Font-Names="Verdana" Font-Bold="True" Font-Size="X-Small">Contained Files:</asp:Label>
     <asp:ListBox id="lstFiles" style="Z-INDEX: 102; LEFT: 312px; POSITION: absolute; TOP: 72px" runat="server" Width="280px" Height="200px" Font-Names="Verdana"></asp:ListBox>
     <asp:Label id="Label1" style="Z-INDEX: 103; LEFT: 32px; POSITION: absolute; TOP: 56px" runat="server" Width="216px" Height="38px" Font-Names="Verdana" Font-Bold="True" Font-Size="X-Small">Subdirectories:</asp:Label>
     <asp:Label id="Label3" style="Z-INDEX: 105; LEFT: 32px; POSITION: absolute; TOP: 16px" runat="server" Width="184px" Height="19px" Font-Names="Verdana" Font-Bold="True" Font-Size="Medium">Current Directory:</asp:Label>
     <asp:Button id="cmdBrowse" style="Z-INDEX: 106; LEFT: 32px; POSITION: absolute; TOP: 280px" runat="server" Text="Browse To Selected" Width="136px" Height="24px"></asp:Button>
     <asp:Label id="lblFileInfo" style="Z-INDEX: 108; LEFT: 312px; POSITION: absolute; TOP: 328px" runat="server" Width="280px" Height="80px" BorderStyle="Groove" BorderWidth="2px" Font-Names="Verdana" Font-Size="X-Small"></asp:Label>
     <asp:Label id="lblCurrentDir" style="Z-INDEX: 110; LEFT: 240px; POSITION: absolute; TOP: 16px" runat="server" Width="184px" Height="24px" Font-Names="Verdana" Font-Bold="True" Font-Size="Medium"></asp:Label>
   </form>
 </body>

</HTML>

<%-- FileBrowser.aspx.cs using System; using System.Collections; using System.ruponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.IO;

 public class FileBrowser : System.Web.UI.Page
 {
   protected System.Web.UI.WebControls.ListBox lstDirs;
   protected System.Web.UI.WebControls.Button cmdParent;
   protected System.Web.UI.WebControls.Button cmdShowInfo;
   protected System.Web.UI.WebControls.Label Label2;
   protected System.Web.UI.WebControls.ListBox lstFiles;
   protected System.Web.UI.WebControls.Label Label1;
   protected System.Web.UI.WebControls.Label Label3;
   protected System.Web.UI.WebControls.Button cmdBrowse;
   protected System.Web.UI.WebControls.Label lblFileInfo;
   protected System.Web.UI.WebControls.Label lblCurrentDir;
 
   private void Page_Load(object sender, System.EventArgs e)
   {
     if (!this.IsPostBack)
     {
       string startingDir = System.Web.HttpContext.Current.Server.MapPath("yourfolderHere");//@"c:\Temp";
       lblCurrentDir.Text = startingDir;
       ShowFilesIn(startingDir);
       ShowDirectoriesIn(startingDir);
     }
   }
   #region Web Form Designer generated code
   override protected void OnInit(EventArgs e)
   {
     //
     // CODEGEN: This call is required by the ASP.NET Web Form Designer.
     //
     InitializeComponent();
     base.OnInit(e);
   }
   
   /// <summary>
   /// Required method for Designer support - do not modify
   /// the contents of this method with the code editor.
   /// </summary>
   private void InitializeComponent()
   {    
     this.cmdParent.Click += new System.EventHandler(this.cmdParent_Click);
     this.cmdShowInfo.Click += new System.EventHandler(this.cmdShowInfo_Click);
     this.cmdBrowse.Click += new System.EventHandler(this.cmdBrowse_Click);
     this.Load += new System.EventHandler(this.Page_Load);
   }
   #endregion
   private void ShowFilesIn(string dir)
   {
     DirectoryInfo dirInfo = new DirectoryInfo(dir);
     lstFiles.Items.Clear();
     foreach (FileInfo fileItem in dirInfo.GetFiles())
     {
       lstFiles.Items.Add(fileItem.Name);
     }
   }
   private void ShowDirectoriesIn(string dir)
   {
     DirectoryInfo dirInfo = new DirectoryInfo(dir);
     lstDirs.Items.Clear();
     foreach (DirectoryInfo dirItem in dirInfo.GetDirectories())
     {
       lstDirs.Items.Add(dirItem.Name);
     }
   }
   private void cmdShowInfo_Click(object sender, System.EventArgs e)
   {
     if (lstFiles.SelectedIndex != -1)
     {
       string fileName = Path.rubine(lblCurrentDir.Text, lstFiles.SelectedItem.Text);
       FileInfo selFile = new FileInfo(fileName);
       lblFileInfo.Text = "" + selFile.Name + "
"; lblFileInfo.Text += "Size: " + selFile.Length + "
"; lblFileInfo.Text += "Created: "; lblFileInfo.Text += selFile.CreationTime.ToString(); lblFileInfo.Text += "
Last Accessed: "; lblFileInfo.Text += selFile.LastAccessTime.ToString(); } } private void cmdParent_Click(object sender, System.EventArgs e) { if (Directory.GetParent(lblCurrentDir.Text) != null){ string newDir = Directory.GetParent(lblCurrentDir.Text).FullName; lblCurrentDir.Text = newDir; ShowFilesIn(newDir); ShowDirectoriesIn(newDir); } } private void cmdBrowse_Click(object sender, System.EventArgs e) { if (lstDirs.SelectedIndex != -1) { string newDir = Path.rubine(lblCurrentDir.Text, lstDirs.SelectedItem.Text); lblCurrentDir.Text = newDir; ShowFilesIn(newDir); ShowDirectoriesIn(newDir); } } }

--%>

      </source>