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I do not believe that what you want to do is possible. Due to security concerns, file browsing for file uploads through a web page can only be done by the browser and you cannot programmatically set the path of a file to upload. Otherwise, someone could make a custom browse dialog and when you click on that nice image, they actually set the upload control to upload &quot;MySecretPasswords.txt&quot; from your desktop. The only way you MAY be able to overcome this limitation would be through an active x control, flash, or silverlight but I'm not sure. 
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All I really want to do is keep the functionality and hide the control....firing the upload via a different event. I can't take an image button and tap into what the FileUpload control does? Can't I just make the control invisible or something?
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Okay...how bout this. What if I just want a separate little window to pop up with that ugly file upload control in it...so it doesn't clutter an otherwise nice page? How can I open another window to present this control? Then I could at least use that as an indicator to when the file is done uploading as well.
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Also, I will need to postpone the parant pages &quot;UPLOAD&quot; button Postback until the child page closes so that I can present the image uploaded in the parent page after it has been uploaded.
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Posted the question regarding the new method in a different question. This user had approximately what was needed, but going with a different solutions. Thanks for the link to the article.
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Essentially, we don't want to use the regular file uploader provided by ASP .NET in VIsual Studio. We have an image button and an area to display a photo as a result of the user browsing for an image to upload. I want the exact same behavior of clicking on the 'browse' button and displaying the file open dialog to the user. Then uploading upon confirmation. I do not know how the control provides this to the user. Can someone point me in the right direction?
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Essentially, we don't want to use the regular file uploader provided by ASP .NET in VIsual Studio. We have an image button and an area to display a photo as a result of the user browsing for an image to upload. I want the exact same behavior of clicking on the 'browse' button and displaying the file open dialog to the user. Then uploading upon confirmation. I do not know how the control provides this to the user. Can someone point me in the right direction?

ASP .NET Custom File Uploader Needed

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ASP.NET

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).