Stop the execution of the method while the page is loading

Hello

I'm new to the development of web service client. I created a client using the full declarative approach, namely the average webservice dataControl. The web service, I created required 2 parameters to pass and returns a list. So I dragged and dropped the two parameters such as form fields and list in table form in the same page, as well as the execute method button.

But the problem is when I loaded the page, get the webservice call/called and passes the parameters as null. And so I get a msg of validation. Can someone let me know what needs to be done when to avoid the execution of the method (webservice call) while the page is loading.

Kind regards

Marie Antoinette

Did you check that?

https://blogs.Oracle.com/Shay/entry/delay_method_execution_when_us

Tags: Java

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