Difference between bool/Boolean, string/String etc [duplicate]

Question

Possible Duplicate:
String vs string in C#

What is the big difference between these datatypes? and were should I use it?

Answer 1

Short answer, there is no difference. They are just alias of each other, see

http://msdn.microsoft.com/en-us/library/ya5y69ds(VS.80).aspx for a complete list.

Answer 2

Have a look at: String vs string in C#