Set of extensions for fileupload

Dear professionals,
I have the following question:
I use fileupload component for uploading files and the requirement is to restrict selection of files to be uploaded to only image documents. When I use this component, at runtime it allows selecting only 3 classes of documents: all files, image files (but only jpg and jpeg formats) and html.
these Image formats are a good solution but the list of allowed formats is too little and I'd like to extend it with .bmp, .tiff etc. Is there a standard solution for doing it, probably these values (jpg and jpeg) are stored in a table I can extend?
Thanks in advance!
Edited by: Drabkov Anton on Nov 30, 2009 11:07 AM

Hi, thanks for your reply!
I examined this thread but as I understand it's topic, it's not exactly what I need. I don't wanna check file extensions at runtime AFTER USER INPUT (USER FILE SELECTION).
I mean that when I call FileUpload component during WD execution I want to define my own set of extensions in the popup window for selecting files.

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    * Copyright 1995-2002 Sun Microsystems, Inc. All Rights Reserved.
    * Redistribution and use in source and binary forms, with or
    * without modification, are permitted provided that the following
    * conditions are met:
    * -Redistributions of source code must retain the above copyright
    * notice, this list of conditions and the following disclaimer.
    * -Redistribution in binary form must reproduct the above copyright
    * notice, this list of conditions and the following disclaimer in
    * the documentation and/or other materials provided with the
    * distribution.
    * Neither the name of Sun Microsystems, Inc. or the names of
    * contributors may be used to endorse or promote products derived
    * from this software without specific prior written permission.
    * This software is provided "AS IS," without a warranty of any
    * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
    * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
    * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
    * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
    * DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT OF OR
    * RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR
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    * You acknowledge that Software is not designed, licensed or
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    * Copyright 1995-2002 Sun Microsystems, Inc. All Rights Reserved.
    * Redistribution and use in source and binary forms, with or
    * without modification, are permitted provided that the following
    * conditions are met:
    * -Redistributions of source code must retain the above copyright
    * notice, this list of conditions and the following disclaimer.
    * -Redistribution in binary form must reproduct the above copyright
    * notice, this list of conditions and the following disclaimer in
    * the documentation and/or other materials provided with the
    * distribution.
    * Neither the name of Sun Microsystems, Inc. or the names of
    * contributors may be used to endorse or promote products derived
    * from this software without specific prior written permission.
    * This software is provided "AS IS," without a warranty of any
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    * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
    * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
    * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY
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    Regards,
    Anyi

    Hello,
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    I'm trying to use a custom file extension for the Microsoft Access Text Driver (*.txt, *.csv) driver.
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    Hi,
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    In addition, the
    OPENROWSET function is mainly used to retrieve remote data from an OLEDB data source, when you use OPENROWSET without BULK, provider_name is a necessary parameter in the script. However, the OPENROWSET (BULK...) is mainly called from a SELECT…FROM clause
    within an INSERT statement, when importing bulk data from a data file into SQL Server table. Thus if you need to import bulk data, you should use the basic  syntax: INSERT ... SELECT * FROM OPENROWSET(BULK...), also there are some alternatives, such as
    BULK INSERT
    and
    BCP .
    Thanks
    Lydia Zhang

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