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How to generate a Guid in C#?
C#: Guid Struct
In C#, the Guid struct is the built-in type from the namespace that represents a globally unique identifier.
Guid consists of a 128-bit integer value that aims to always be unique in a given system.
In fact, the number of possible unique combinations is 2128, or 3.4 x 1038. So it's extremely unlikely that you'll ever generate the same Guid value.
How to generate a unique Guid?
To generate a unique Guid in C#, use the static method:
C#
In the example above, we generate a new Guid and print it as a string.
When represented as a string, a Guid is formatted as a 32-digit hexadecimal number, with optional hyphens after the 8th, 12th, 16th, and 20th digits. This format is known as the standard format and it's represented as "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" where x is a hexadecimal digit.
When should I use Guids in C#?
In C#, globally unique identifiers (Guids) are often used as keys in databases or as unique identifiers for resources in distributed systems.
Here are some common s
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