в 15:30, 26 мая 2010

2010-05-26T15:30:47Z

Admin: 1 версия

2010-05-26T11:53:17Z

1 версия

Новая страница

==FileUpload Control==



<source lang="csharp">

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default_aspx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>FileUpload Control</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>FileUpload Control</h1>
<asp:FileUpload ID="FileUpload1" runat="server" />
<br />
<asp:Button ID="btnSave" runat="server" Text="Save" OnClick="btnSave_Click" />
<asp:Button ID="btnDisplay" runat="server" Text="Display" OnClick="btnDisplay_Click" />
<br />
<br />
<asp:Label ID="lblMessage" runat="server" />
<asp:Label ID="lblDisplay" runat="server" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
public partial class Default_aspx : System.Web.UI.Page
{
protected void btnSave_Click(object sender, EventArgs e){
string str = "";
if (FileUpload1.HasFile) {
try {
str += "Uploading file: " + FileUpload1.FileName;
FileUpload1.SaveAs("c:\\" + FileUpload1.FileName);
str += "<br/>Saved As: " + FileUpload1.PostedFile.FileName;
str += "<br/>File Type: " + FileUpload1.PostedFile.ContentType;
str += "<br/>File Length (bytes): " + FileUpload1.PostedFile.ContentLength;
str += "<br/>PostedFile File Name: " + FileUpload1.PostedFile.FileName;
} catch (Exception ex) {
str += "<br/><b>Error</b><br/>Unable to save c:\\" + FileUpload1.FileName + "<br/>" + ex.Message;
}
} else {
str = "No file uploaded.";
}
lblMessage.Text = str;
lblDisplay.Text = "";
}
protected void btnDisplay_Click(object sender, EventArgs e)
{
string str = "<u>File: " + FileUpload1.FileName + "</u><br/>";
if (FileUpload1.HasFile)
{
try
{
Stream stream = FileUpload1.FileContent;
StreamReader reader = new StreamReader(stream);
string strLine = "";
do
{
strLine = reader.ReadLine();
str += strLine;
} while (strLine != null);
}
catch (Exception ex)
{
str += "<br/><b>Error</b><br/>Unable to display " + FileUpload1.FileName + "<br/>" + ex.Message;
}
}
else
{
str = "No file uploaded.";
}
lblDisplay.Text = str;
lblMessage.Text = "";
}
}
</source>

==Get file name==



<source lang="csharp">

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="FileUpload" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>
Upload File</h1>
<asp:FileUpload ID="fupAspNetUpload" runat="server" />
<br />
<br />
<asp:Button ID="btnUpload" runat="server" OnClick="btnUpload_Click" Text="Upload" />
<br />
<br />
<input id="fupHtmlUpload" runat="server" type="file" /></div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Configuration;
using System.Collections;
using System.Data;
using System.IO;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class FileUpload : System.Web.UI.Page
{
protected void btnUpload_Click(object sender, EventArgs e)
{
string htmlFilePath = fupHtmlUpload.PostedFile.FileName;
string aspNetFilePath = fupAspNetUpload.PostedFile.FileName;
string filePath = fupAspNetUpload.FileName;
string fileName = Path.rubine(Server.MapPath("."), filePath);
fupAspNetUpload.SaveAs(fileName);
}
}
</source>

==Uploads to a special upload folder==



<source lang="csharp">
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="Default_aspx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.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:FileUpload ID="FileUpload1" runat="server" />
<br />
<asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="Submit_Click" /><br />
<br />

</div>
</form>
</body>
</html>
File: Default.aspx.vb

Partial Class Default_aspx
Inherits System.Web.UI.Page
Protected Sub Submit_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim savePath As String = Request.PhysicalApplicationPath
savePath += "uploads\"
If FileUpload1.HasFile Then " verify if there is file to upload
savePath += FileUpload1.FileName
" existing file will be overwritten
FileUpload1.SaveAs(savePath)
Response.Write("File uploaded successfully!")
Else
Response.Write("No file to upload")
End If
End Sub
End Class
</source>

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ASP.Net/Asp Control/FileUpload - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия