ASP.Net/Components/File Browser — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 11:51, 26 мая 2010
Get file list under control folder (C#)
<%@ 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">
<div>
<asp:Label
id="lblImageFile"
Text="Image File:"
AssociatedControlID="upImage"
Runat="server" />
<asp:FileUpload
id="upImage"
Runat="server" />
<br /><br />
<asp:Button
id="btnAdd"
Text="Add Image"
OnClick="btnAdd_Click"
Runat="server" />
<hr />
<asp:DataList
id="dlstImages"
RepeatColumns="3"
runat="server">
<ItemTemplate>
<asp:Image ID="Image1"
ImageUrl="<%# Eval("Name", "./{0}") %>"
style="width:200px"
Runat="server" />
<br />
<%# Eval("Name") %>
</ItemTemplate>
</asp:DataList>
</div>
</form>
</body>
</html>
View file info (C#)
<%@ 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 = "<b>" + fileName + "</b><br>";
lblFileInfo.Text += "Created : ";
lblFileInfo.Text += File.GetCreationTime(fileName).ToString();
lblFileInfo.Text += "<br>Last Accessed : ";
lblFileInfo.Text += File.GetLastAccessTime(fileName).ToString();
lblFileInfo.Text += "<br>";
FileAttributes attributes = File.GetAttributes(fileName);
if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
{
lblFileInfo.Text += "This is a hidden file." + "<br>";
}
if ((attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
lblFileInfo.Text += "This is a read-only file." + "<br>";
}
if ((attributes & FileAttributes.ReadOnly) != FileAttributes.ReadOnly)
{
cmdDelete.Enabled = true;
}
else
{
cmdDelete.Enabled = false;
}
}
}
--%>
Web based file browser (C#)
<%@ 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 = "<b>" + selFile.Name + "</b><br>";
lblFileInfo.Text += "Size: " + selFile.Length + "<br>";
lblFileInfo.Text += "Created: ";
lblFileInfo.Text += selFile.CreationTime.ToString();
lblFileInfo.Text += "<br>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);
}
}
}
--%>