asp.net System.Guid ToString five formats

This article mainly introduces the five formats of asp.net System.Guid ToString. Friends in need can refer to it

Reference: https://msdn.microsoft.com/en-us/library/ 97af8hh4.aspx

##Test code:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GuidToString
{
  class Program
  {
    static void Main(string[] args)
    {
      Console.WriteLine(" -->" + System.Guid.NewGuid().ToString());
      Console.WriteLine("N-->" + System.Guid.NewGuid().ToString("N"));
      Console.WriteLine("D-->" + System.Guid.NewGuid().ToString("D"));
      Console.WriteLine("B-->" + System.Guid.NewGuid().ToString("B"));
      Console.WriteLine("P-->" + System.Guid.NewGuid().ToString("P"));
      Console.WriteLine("X-->" + System.Guid.NewGuid().ToString("X"));
      Console.ReadKey();
    }
  }
}

Test result:

Note: Only N, D, B, P, and ##The format string can only be "D", "d", "N", "n", "P", "p", "B", "b", "X" or "x".

Exception:

##The following are normal:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GuidToString
{
  class Program
  {
    static void Main(string[] args)
    {
      Console.WriteLine(" -->" + System.Guid.NewGuid().ToString());
      Console.WriteLine(" -->" + System.Guid.NewGuid().ToString(""));
      Console.WriteLine("N-->" + System.Guid.NewGuid().ToString("N"));
      Console.WriteLine("n-->" + System.Guid.NewGuid().ToString("n"));
      Console.WriteLine("D-->" + System.Guid.NewGuid().ToString("D"));
      Console.WriteLine("d-->" + System.Guid.NewGuid().ToString("d"));
      Console.WriteLine("B-->" + System.Guid.NewGuid().ToString("B"));
      Console.WriteLine("b-->" + System.Guid.NewGuid().ToString("b"));
      Console.WriteLine("P-->" + System.Guid.NewGuid().ToString("P"));
      Console.WriteLine("p-->" + System.Guid.NewGuid().ToString("p"));
      Console.WriteLine("X-->" + System.Guid.NewGuid().ToString("X"));
      Console.WriteLine("x-->" + System.Guid.NewGuid().ToString("x"));
      Console.ReadKey();
    }
  }
}

## Several formats of Guid.NewGuid().ToString()

1. Guid.NewGuid().ToString("N") The result is:

38bddf48f43c48588e0d78761eaa1ce6

2. Guid.NewGuid().ToString("D") The result is:

57d99d89-caab-482a-a0e9-a0a803eed3ba3. Guid.NewGuid() .ToString("B") The result is:

{09f140d5-af72-44ba-a763-c861304b46f8}

4. Guid.NewGuid().ToString("P") The result is:

(778406c2-efff-4262-ab03-70a77d09c2b5)

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