Chuyển C# DateTime sang format YYYYMMDDHHMMSS

Chuyển dateTime sang ToString với format "YYYYMMDDHHMMSS".

Các format khác thường dùng:

• MM/dd/yyyy → 08/22/2020
• dddd, dd MMMM yyyy → Tuesday, 22 August 2020
• dddd, dd MMMM yyyy HH:mm → Tuesday, 22 August 2020 06:30
• dddd, dd MMMM yyyy hh:mm tt → Tuesday, 22 August 2020 06:30 AM
• dddd, dd MMMM yyyy H:mm → Tuesday, 22 August 2020 6:30
• dddd, dd MMMM yyyy h:mm tt → Tuesday, 22 August 2020 6:30 AM
• dddd, dd MMMM yyyy HH:mm:ss → Tuesday, 22 August 2020 06:30:07
• MM/dd/yyyy HH:mm → 08/22/2020 06:30
• MM/dd/yyyy hh:mm tt → 08/22/2020 06:30 AM
• MM/dd/yyyy H:mm → 08/22/2020 6:30
• MM/dd/yyyy h:mm tt → 08/22/2020 6:30 AM
• MM/dd/yyyy HH:mm:ss → 08/22/2020 06:30:07

Ví dụ

class Program
{
    static void Main()
    {
        DateTime d = DateTime.Now;
        string dateString = d.ToString("yyyyMMddHHmmss");
        System.Console.WriteLine(dateString);
        Console.ReadLine();
    }
}

Kết quả

20200727080325