| | FileType runtime property | |
| Blobs - FileType runtime property
You can use it to retrieve the file extension of a blob; or to change it, dinamically.
Retrieving the extension of the file
Use the following sintax:
&extension = Attblob.FileType
The FileType property returns the actual file extension, when the blob is being uploaded.
For instance, if you have the following rule in a web transaction:
msg('The uploaded file is ' + Attblob.FileName + '.' + Attblob.FileType) if not Attblob.isempty() on aftervalidate;
When uploading the file, Attblob.FileType returns the actual file extension.
When the file is being downloaded, the FileType is obtained from:
1. The FileType property, if it´s assigned in the design model.
2. The FileTypeAttribute property of the blob (if it has one).
Otherwise, it returns null.
Example:
Suppose you have a blob in the web form, and you want to capture the blob extension, when downloading it, so you have:
Event Load
&FileType = Attblob.FileType
EndEvent // Load
Changing the extension dinamically
Attblob.FileType = <extension>
You can change the extension of a file, at the moment of downloading it. This is the main purpose of the FileType runtime property.
It´s goal is to change the extension that the temporary file is going to be saved with.
Example:
You have a blob attribute that hasn´t got a FileTypeAttribute associated to it. You want to assign to it the .doc extension, at the moment of downloading it, so you have:
Event Start
Attblob.FileType = 'DOC'
EndEvent // Start
Important Note: The value of this property is ignored if the File Type Attribute property is set. |
| | | | | | 3124 | | Created: 09/07/06 02:30 PM by sjuarez Last update: 09/07/06 02:32 PM by sjuarez | | |
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