OnUploadCompleted event for fileUpload control in a standard form extension

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Posted on by martinarul

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Dear Experts,

I created the extension for a standard form and added a fileupload control. I want to do some validation once the file uploaded.

I could not find the onluploadcompleted event for the custom control I added in the standard form extension.

If a new form is created there the file upload control contains the onluploadcompleted override method.

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Any suggestion will be much appreciated.

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Answers (1)

Gunjan Bhattachayya 35,423 on at

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Hi Martin,

You can create a CoC on onUploadedCompleted method for this control and write your validation logic here.

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martinarul 223 on at

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Hello Gunjan,

I tried that as well it did not work and threw the following error.

"The next method cannot be invoked in the method OnUploadCompleted because its not a chain of command method"

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Martin Dráb 237,801 Most Valuable Professional on at

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I don't know why CoC can't be used in this case, but what should work is subsribing to notifyUploadCompleted delegate. For example:

myFileUpload.notifyUploadCompleted = eventhandler(this.myHandlerMethod);

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martinarul 223 on at

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Hi Martin,

Thanks for the reply. I am using this in D365 vendor portal during vendor registration process. I want to enable the next button in the vendor registration wizard only the if the file is uploaded on my custom file upload control, which can be handled through "OnUploadCOmpleted" event/method of fileupload control.

Can you suggest how to handle this with some sample code?

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Martin Dráb 237,801 Most Valuable Professional on at

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I'm not sure what you mean. I gave sample code about how to subscribe to an event in my previous reply.

Are you asking about how you should implement the event hander, i.e. how to enable or disable the button.

You said that it can be handled by OnUploadCompleted method, but you also said that it can't, because your code doesn't even compile. That's why I suggested an alternative.

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martinarul 223 on at

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Yes Martin. I got your code, but where shall I write this code to handle the validation?

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Martin Dráb 237,801 Most Valuable Professional on at

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The logic that you want to execute belongs to the event handler method (this.myHandlerMethod in my sample code). That's the custom method that will be executed when upload gets completed.

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