for below code
string result = r.Substring(0, 3);
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Jignesh TrivediPosted Oct 15, 2013, 7:13 AM
String class has extension method called ToLower(), with help of this you can get your required result.
like
string result = r.Substring(0, 3).ToLower();
hope this will help you.
Jaganathan BantheswaranPosted Oct 15, 2013, 6:31 AM
result.ToLower() will give you the lowercase.