June 2002
Intermediate to advanced
816 pages
28h 12m
English
Content preview from ASP.NET in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Name
Files
Synopsis
HttpFileCollection = Request.Files
The Files collection, which is new to ASP.NET, returns a collection of type HttpFileCollection that contains any files uploaded by the user’s current request. This collection is especially useful in combination with the HtmlInputFile Server Control, which provides the basic plumbing necessary to upload files via an HTTP POST request. When a user submits one or more files (one per HtmlInputFile control on the submitting page), you can retrieve the files by using the Files collection.
Parameters
-
HttpFileCollection An Object variable of type HttpFileCollection.
Example
The example uses two HtmlInputFile server controls and a server-side
<script> block to upload files and process
them. The example shows both the <form>
section of the page and its controls and the
<script> block containing the
UploadBtn_OnClick method called by the onServerClick event of the
HtmlInputButton control:
<!--Place between the <head> and </head> tags --> <script runat="server"> Sub UploadBtn_Click(Sender as Object, e as EventArgs) UploadForm.Visible = False If InStr(Request.ContentType, "multipart/form-data") Then Dim Counter1 As Integer Dim Keys( ) As String Dim Files As HttpFileCollection ' Load File collection Files = Request.Files ' Get names of all files into an array Keys = Files.AllKeys For Counter1 = 0 To Keys.GetUpperBound(0) Message.Text &= "File ID: " & Keys(Counter1) & "<br/>" Message.Text &= "File Name/Path: " & _ Files(Counter1).FileName & "<br/>" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.