Guid.NewGuid (). Several formats for ToString ()

System.Guid.NewGuid (). The ToString () Global Unique identifier (GUID) is an alphanumeric identifier that indicates the uniqueness of the product identity

 Public string ToString (    string  format)

Parameters

Format

Type: System . String
A single-format specifier that indicates how to format thisThe value of the guid .  format parameter can be "n","d", "b","p", or & quot X". " The >format  parameter can be "N", "D", "B", "P" or "X".  format is null or an empty string (" "),"D"is used." > if  format  for     or an empty string (""), use "D".  

Return value type: System. String
the value of this Guid, expressed in a series of lowercase hexadecimal bits in the specified format.

The following table shows the format specifiers that are accepted by the format parameter. "0" represents a number; the hyphen ("-"), curly braces ("{", "}"), and parentheses ("(", ")") are displayed as shown below.

Specifiers	Format of the return value
N	32-bit: 00000000000000000000000000000000
D	32-digit number separated by hyphens: 00000000-0000-0000-0000-000000000000
B	32-bit numbers enclosed in curly braces, separated by hyphens: {00000000-0000-0000-0000-000000000000}
p	(00000000-0000-0000-0000-000000000000)
X	4 hexadecimal values enclosed in curly braces, where the 4th value is a subset of 8 hexadecimal values (also enclosed in curly braces): {0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}}

The hexadecimal digits A through F are examples in the returned string. to convert them to uppercase, call the string in the returned strings . ToUpper method.

Guid.NewGuid (). Several formats for ToString ()