It's easy to convert string all this case this code copy here and paste your visual studio using System; using System.Globalization; using System.Threading; namespace ConsoleApplication10 {class Program{static void Main(string[] args){string str = "surya pratap singh";CultureInfo culture = Thread.CurrentThread.CurrentCulture;TextInfo text = culture.TextInfo;Console.WriteLine(text.ToTitleCase(str));Console.WriteLine(text.ToUpper(str));Console.WriteLine(text.ToLower(str));Console.ReadLine();}} }

http://www.dotnetperls.com/uppercase-first-letter