public delegate string CityDonor(string city);
public void GetInfo(CityDonor C)
StringBuilder sb = new StringBuilder();
sb.Append("Name=Rohit\n\n");
Console.WriteLine("Enter city");
string city = Console.ReadLine();
sb.Append("City=" + C.Invoke(city));
Console.WriteLine(sb.ToString());
public string Upper(string city)
public static void Main(string[] args)
Program p = new Program();