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Uploading Images using HTML and ASP
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Uploading Images using HTML and ASP
http://www.webreference.com/dev/upload/index.html
Why should you let visitors upload pictures onto your Web site?
Well lets take a couple of examples. People renting their holiday homes might like to display a picture of the property on a Web site. News sites might like to allow people to send them pictures of events in their area. Ideally we would like the visitor to be able to upload these pictures themselves using their standard Web browser.
Unfortunately images come in thousands of different formats, shapes, colors and sizes; almost none of which will mesh in with your beautifully designed site. This article is about how we can best solve this problem. To do this we will have to search down into the depths of HTML and ASP.
Digging down, the first gem we find is HTML upload. This is based around a standard, but vastly underused, HTML form element. When you put it into a form on a Web page it allows you to choose a file. When you submit the form, the file is sent to the Web server. What could be more perfect?
The second gem we find is the vast range of Active Server Page Extensions that exist on the market. These ActiveX controls add extra functions to the standard Active Server Page repertoire and can be accessed from simple scripting languages such as VBScript. The ASP Extension we will use here is the ImageGoo (http://www.websupergoo.com) Web graphics toolkit as it incorporates everything we need in one package. ASP > Tips and Tutorials > File Manipulation Oct 10, 2006
Well lets take a couple of examples. People renting their holiday homes might like to display a picture of the property on a Web site. News sites might like to allow people to send them pictures of events in their area. Ideally we would like the visitor to be able to upload these pictures themselves using their standard Web browser.
Unfortunately images come in thousands of different formats, shapes, colors and sizes; almost none of which will mesh in with your beautifully designed site. This article is about how we can best solve this problem. To do this we will have to search down into the depths of HTML and ASP.
Digging down, the first gem we find is HTML upload. This is based around a standard, but vastly underused, HTML form element. When you put it into a form on a Web page it allows you to choose a file. When you submit the form, the file is sent to the Web server. What could be more perfect?
The second gem we find is the vast range of Active Server Page Extensions that exist on the market. These ActiveX controls add extra functions to the standard Active Server Page repertoire and can be accessed from simple scripting languages such as VBScript. The ASP Extension we will use here is the ImageGoo (http://www.websupergoo.com) Web graphics toolkit as it incorporates everything we need in one package. ASP > Tips and Tutorials > File Manipulation Oct 10, 2006
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Other links at ASP > Tips and Tutorials > File Manipulation
This article is number three in a series of articles I wrote about uploading and displaying binary data with ASP. The first article was about Uploading binary data to the database, second was on Displaying binary data from the database and the third one ( this one ) is going to be on 'Uploading files to the server hard disk using pure ASP'.
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Setting up a simple file downloading system with VBScript and ASP is no sweat. This system can be tested by downloading a classic ASP app
The primary use for a system like this is to allow downloading of any TEXT based file that would normally be served via a client's browser and be unable to be downloaded. This system works great when setting up downloads for files with the following extensions: *.txt, *.htm, *.html or *.asp . This system won't work to serve binary files such as images.
A secondary use is to allow download access to directories outside the public server space or a hidden directory within the website. This system can also be used in conjunction with the fileupload class to let users
The primary use for a system like this is to allow downloading of any TEXT based file that would normally be served via a client's browser and be unable to be downloaded. This system works great when setting up downloads for files with the following extensions: *.txt, *.htm, *.html or *.asp . This system won't work to serve binary files such as images.
A secondary use is to allow download access to directories outside the public server space or a hidden directory within the website. This system can also be used in conjunction with the fileupload class to let users
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This article illustrates some great uses of the File System Object. It shows how to choose a drive to search, and then builds a listbox of all the folders on that drive. Choose a folder and it builds a listbox of all the files in that folder. Choose a File and it will display it in the browser or prompt you to save the file to your hard drive.
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Example 1: This one will be the basic code we need to open a text file:
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This article is number three in a series of articles I wrote about uploading and displaying binary data with ASP. The first article was about Uploading binary data to the database, second was on Displaying binary data from the database and the third one ( this one ) is going to be on 'Uploading files to the server hard disk
Category:
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