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Need Help With C#

0031benjy
0031benjy Confirm Email, Retired Staff
edited March 2014 in Off Topic
Well I recently started learning C# for my course, my most recent assignment requires me to create a program (which will probably seem very basic to some) but have the code written in an efficient way, I have wrote a Rock-Paper-Scissors style thing and I need help:
1) Shortening it where possible
2) Making it so if the user enters anything other than an integer into the command prompt it will return a simple 'Console.Write("Error!");' instead of crashing.

Code is on Pastebin at: http://pastebin.com/LTU4scaY


Any help is much appreciated!