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TOPIC: Re:Froms Triggers in Java
#90
raghuk2 (User)
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Froms Triggers in Java 14 Years, 3 Months ago  
Hello All,

I am trying to compare the Forms6.0 Trigger equivalent code in J2EE.

I would like to know validation in J2EE that is like forms trigger or what is the business component used for validating the field.

Thanks, Raghu.K
 
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#92
raja (User)
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Re:Froms Triggers in Java 14 Years, 3 Months ago  
Hi Raghu,

You may use the following methods.

Pages can be attached to a Java class known as controllers. There are three methods in the controller class:

a) processRequest()fires just before the page is displayed to the user.
b) processFormData()fires when page is submitted to the server. This method transfers the data from page fields into the server cache.
c) processFormRequest() fires after processFormData. In processFormRequest, logic can be written to trap the event such as a button click.

Cheers!
Shanmuga
 
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#94
raghuk2 (User)
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Re:Froms Triggers in Java 14 Years, 3 Months ago  
Hi Shanmuga,

Thanks for the information and I need attribute level validation.

The above control method will work at entity level. If I want to validate at attribute level,
I think it may not work.

I.e. I have three attributes in a view object. First attribute should validate before moving into second attribute and this should work before submitting to server and work like when-validate-item.

Thanks, RAP
 
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Last Edit: 2009/12/26 19:46 By raghuk2.
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