c# Get the sample code for the current year's weeks and the current month's days

public static int year;
    public static int month;
    public static int days;
    protected void Button1_Click(object sender, EventArgs e)
    {
        year = ;
        month = ;
//Get the number of days in the current month
        switch (month)
        {
            case 1:
                days = 31;
                break;
            case 2:
                if ((year))
                {
//February of leap year is 29 days
                    days = 29;
                }
                else
                {
//Not a leap year, February is 28 days
                    days = 28;
                }
                break;
            case 3:
                days = 31;
                break;
            case 4:
                days = 30;
                break;
            case 5:
                days = 31;
                break;
            case 6:
                days = 30;
                break;
            case 7:
                days = 31;
                break;
            case 8:
                days = 31;
                break;
            case 9:
                days = 30;
                break;
            case 10:
                days = 31;
                break;
            case 11:
                days = 30;
                break;
            case 12:
                days = 31;
                break;
        }
        = ();
    }