Focus in 3tier application

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hello

i want to focus on proper textbox after data validation in BLL. which is the correct way?

1- returning different value and decide in presentation layer(in this way you need evaluate returned value again - once in BLL and then in UI)

2- set focus on proper textbox from BLL.

thank you

Posted 12-Sep-15 1:19am

mmbguide

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aarif moh shaikh 12-Sep-15 8:22am

not Clarifying question.

[no name] 12-Sep-15 10:10am

yep realy not clear as http://www.codeproject.com/script/Membership/View.aspx?mid=9398118[^] mentioned.

And no! On a first glance: Presentation layer has not to decide what is valid or not by itself... PL can do it, but than only with the help of the data layer

Sinisa Hajnal 14-Sep-15 3:54am

Your business layer should decide if the value is correct or not and return the value. Presentation layer should just show the value...

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