Which one will give better performance

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C#2.0

C#

Hi,

I need to perform some operations on string, like add a string, remove and search.

the values which i need to use is a compination of section name and sub section name (Both are string). I got three suggestion how to do this one in C#. (both section name and SubSection name of length 50 characters, and the max number of this combination is 500)

1. Use List<string> (to store we can use string concatenation)

2. Use StringBuilder (Concatenate and use append)

3. Use List<string,string> (save individual strings)

Which one will give a better performance and memory management. Can any one please suggest the best choice from above.

Am using C# with Framework 2.0



Thanks in Advance,

Nidheesh