Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people, just like you, are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
Solved

Help with properties

Posted on 2006-07-11
4
193 Views
Last Modified: 2010-04-23
What case(s) would I need to use
ReadOnly or WriteOnly
properties?

I may have a follow-up or two on this, so I'll start it low and increase it if I need further explanation(s0>
Thanx!
0
Comment
Question by:sirbounty
  • 2
  • 2
4 Comments
 
LVL 70

Accepted Solution

by:
Éric Moreau earned 125 total points
ID: 17086794
Hi sirbounty,

A often use ReadOnly properties for values that are read from the database and which the application cannot change. For example a tax rate.

Another example where a ReadOnly property is useful is for calculated values. Say for example you have a FirstName and a LastName property, you could create a ReadOnly FullName property which would be FirstName + " " + LastName.

I never use WriteOnly properties. About the only place where I can it could make sens (and even there I am not 100% convinced) is for properties like password. You need a way to set the value but you cannot read from it.

Cheers!
0
 
LVL 67

Author Comment

by:sirbounty
ID: 17086810
a ReadOnly property is useful is for calculated values

This may be what I need then...

Say I have
Person.Age
along with today's date.

If wanted to have
Person.BirthDate

could that be a ReadOnly property?
0
 
LVL 70

Expert Comment

by:Éric Moreau
ID: 17086815
sirbounty,

Yes but you should probably better have the BirthDate field in your database (read/write property) and a ReadOnly Age property.
0
 
LVL 67

Author Comment

by:sirbounty
ID: 17086838
Yeah - just the quickest example I could come up off the top of my head... ;^)

Thanx, as always.
0

Featured Post

Free Tool: Path Explorer

An intuitive utility to help find the CSS path to UI elements on a webpage. These paths are used frequently in a variety of front-end development and QA automation tasks.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

1.0 - Introduction Converting Visual Basic 6.0 (VB6) to Visual Basic 2008+ (VB.NET). If ever there was a subject full of murkiness and bad decisions, it is this one!   The first problem seems to be that people considering this task of converting…
Calculating holidays and working days is a function that is often needed yet it is not one found within the Framework. This article presents one approach to building a working-day calculator for use in .NET.
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online. The email signature template has been downloaded from: www.mail-signatures…

790 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question