I made a program which is a random number generator. I want to switch it to be random letter generator. How can that be done ?
You could take your random number and verify if last two digits are between 65 and 90 . If they are between this interval you can convert this value to ascii characters
Your question is completely generic to C# and not related to Xamarin Studio at all.
Google has quite a bit on the topic: https://www.google.com/?gws_rd=ssl#q=random+letter+generator+c#
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