Okay, after looking over the demo to see what it's really doing, I need to rephrase my question. Is there a way to have the .NET controls updated without a postback, which is what clicking on the SAVE does?

Again, using the Thumbnail Demo as an example, I want to be able to select a file, generate the thumbnail, and then pass fill in a .NET textbox or have the Repeater control display the uploaded file without require the user to submit the form.

Thanks,
Haken

After several tries I figured out that a postpack is required. I was able to pass a MD5 Hash of an uploaded file back to a .NET control so that I can save it along with other database fields I had. The only problem I'm having now is I can't figure out why the following lines of code from your Thumbnail example is causing an error.

kw(function () {
kw("<%=slickUpload.ClientID %>").start();
});

For some reason, it interferes with the postback of my other .NET controls.

Without the code, I can add a file, it'll show calculating and nothing happens next, which makes sense since that piece of code starts the upload process.  If I click on another .NET control, which causes a postback, the file is uploaded and I can see the thumbnail.  However, to process the image, I'll have to trigger another postback.

With the code, the file is uploaded, the thumbnail is displayed, but after that, it interferes with the postback of my other controls (like clicking a button to save to the database).

I'll work on it a bit more, maybe I overlooked something.

 

 

 

 

I'm using the control as part of a user profile page where users can upload a profile picture and also fill out information about themselves. I'm using the Thumbnail Demo you have as my starting point and have created a page with both .NET Textbox controls and also the single Slickupload control. Here is the basic flow.

- User click on Add File to select image to upload.
- When upload is completed, a MD5 hash is performed on the uploaded image.
- uploaded image filename is then renamed to the MD5 hash.
- Thumbnail is created and is also renamed to MD5 hash with a 'T' prefixed in front.
- Thumbnail appears on page so that user can see it.
- User fills in other info in .NET textbox controls on page.

- When all fields are filled in, user clicks submit and all information along with MD5 hash are stored in the database.

That's pretty much what I want it to do. As I have said, if I include:

kw(function () {
kw("<%=slickUpload.ClientID %>").start();
});

the upload works fine and the thumbnail is displayed, but I am unable to submit or read the MD5 sum that is passed back from the upload and save the info to the database, possibly because of an error.

If I leave out the code, I can add a file, but the progress bar is stuck on 'Calculating,' and the upload and thumbnail doesn't appear until I trigger a postback by clicking on a submit butting, etc.. After I trigger the postback, the thumbnail appears and I am able to fill in the other boxes and then click submit and save info in the other textboxs along with the MD5 hash (from UploadedFile object in the UploadedFiles collection) that was passed back from the SlickUpload.

I guess what I don't understand is why including the code above would cause an error when in the demo it works fine. Is it because I'm mixing it with other .NET controls /javascript on the page and is causing an error?

Note: md5sum is being passed back in the ThumbnailFileUploadStreamProvider with file.Data["md5sum"] and then read on the .NET webform through the slickUpload.UploadSession.UploadedFiles object, just in case you were wondering.