My C# Corner

I was working on an Arabic language site for one of my clients, and needed to adapt one of the free CSS designs out there on the web, however my problem was that the CSS design was written for Latin based languages, or more accurately for Left-To-Right languages, and I needed a quick way to convert it to work for the Arabic language, which is a Right-To-Left language. So while I was just about to put on my heavy armored CSS gear, I googled around a little and found this very cool tool published by

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One common Windows Application development task is to validate a TextBox or a Windows Control against a certain value, or whether the user has entered a value at all before hitting the submit/Ok button, then display some kind of an error.

Both controls provide functionality to select from multiple choices, so what's the difference between them? And when to use one over the other?

In short, ComboBox is a more compact GUI control to house multiple choices, so it is more suitable for large number of choices, so all choices can be shown in the same space that is needed by one choice, while RadioButton groups tend to show all the available choices in the web form, or windows form.

What's the difference between a check box and a Radion button?

The short answer to this is:

- Check box is used to indicated a boolean value: True or False

- A group of Radio Buttons is used when you have more choices than True or False... say you have a choice like "Maybe"...

So use a group of Radio button when you have multiple choices and you only want to select one and only one choice. Use a Check box when you have only 2 choices, this or that, and no more.