SQL Server 2005 UniqueIdentifier and C# Data Type

https://stackoverflow.com/questions/1657151

c#
sql
sql-server-2005
uniqueidentifier

11-09-2019
|

Question

What is the best data type to choose in C# for representing a SQL Server UniqueIdentifier type? I was going to use a GUID but I've seen people using varChars.

Thanks

Solution

System.Guid is what you need.

You can learn about CLR equivalents of SQL data types in this article:

SQL Server Data Types and Their .NET Framework Equivalents

OTHER TIPS

Whenever I use a uniqueidentifier sql data type I always map it to a Guid in C#. I don't think I've ever seen it done differently.

GUID is the best choice.

GUID is the direct comparison.

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