C#

OleDbCommand cmd = new OleDbCommand("SELECT * FROM ADb", myCon);
           OleDbDataAdapter d = new OleDbDataAdapter(cmd);
           d.SelectCommand.CommandText = cmd.CommandText.ToString();

           DataTable dt = new DataTable();
           d.Fill(dt);
           cmbNames.DataSource = dt;
           cmbNames.DisplayMember = "FirstName";

public class MainViewModel : ViewModelBase<MainViewModel>
{

	//properties that are to be resolved

	private string _data;
	private int _time;

	public string Data
	{
		get
		{
			return _data;
		}
			set
		{
			_data = value;
			NotifyPropertyChange("Data");
		}
	}

	//and so on...
}

using System;

namespace CalculatetothePowerof
{
    class Program
    {
        static void Main2()
        {
            int valOne = AcceptValue("Enter your first number:");
            int valTwo = AcceptValue("\nEnter your second number:");
            Console.WriteLine(Math.Pow(valOne, valTwo));
            Console.Read();
        }
        static int AcceptValue(string message)
        {
            string valueOne;
            int IntOne;
            string YesNo;
            do
            {
                Console.WriteLine(message);
                valueOne = Console.ReadLine();
                IntOne = Convert.ToInt32(valueOne);
                Console.WriteLine("Are you sure you want to use that number?\nPress lowercase y or n, to continue.");
                YesNo = Console.ReadLine();
                if (YesNo == "y")
                {
                    break;
                }
                Console.Clear();
            } while (YesNo != "y");
            return IntOne;
        }
    }
}

using System;
using System.Text;

namespace MainMethodAcceptTwoArgValues
{
    class Program
    {
        static void Main()
        {
            int num;
            int num1;
            UserInput(num);
            UserInput(num1);
            Console.WriteLine(Math.Pow(num, num1));
        }
        static void UserInput(int input)
        {
            string userinput;
            string yes_no;
            do
            {
                Console.WriteLine("Enter your number: ");
                userinput = Console.ReadLine();
                Console.WriteLine("Correct numbers?\nPress y/n");
                yes_no = Console.ReadLine();
                if (yes_no == "y")
                {
                    input = Convert.ToInt32(userinput);
                    break;
                }
                Console.Clear();
            } while (yes_no != "y");
        }
    }
}