ASP.NET: Globally Unique Identifiers

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ASP.NET: Globally Unique Identifiers

The GUID is great for anything requiring uniqueness (.NET Framework).

GUIDs are very useful for many tasks on websites. Generate a unique cookie, record identifier, file name, prevent forms from being posted twice, etc...

string guid = System.Guid.NewGuid().ToString("N");

Dim guid As String
guid = System.Guid.NewGuid().ToString("N")

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