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sample code for validation  RSS feed

 
sharmila raman
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Hi
I am trying to validate a page where im adding data specific to the copncerned person like name,phonenumber,occation,date .How do i write a validate method which checks that all fields are entered if not it has to displa an alert .Will be really great if anyone can help Thanks in advance .
 
Oscar Kamau
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Hi,
You may try doing it this way.


Hope this helps. Cheers.
 
Dawei Li
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if(phoneNo.length()==0||name.length()==0){ return true; }else{ return false; }
I think except Validating the field empty
It should Validate whether the user input alphabetic characters in phone field.
 
Oscar Kamau
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Hi,
You do not need to validate whether the user has entered an alphabet in the phoneNo text field. This is why:

While creating the text field instance, you specify whether the text field will accept numbers, password, alphabets etc. For example,


See this example. You can search for more. Regards
 
It is sorta covered in the JavaRanch Style Guide.
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