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c#asp.netstringcompareuniqueidentifier
Saleh Feek
Saleh Feek

Reputation: 2076

Is it safe/feasible to treat uniqueidentifier as string rather than System.Guid for comparison purposes?

When working with uniqueidentifier from the database. Most of the time I just need it for comparison purposes in LINQ queries, and as value of HyperLink's NavigateUrl and similar situations. So, is it safe/feasible to treat uniqueidentifier as string rather than System.Guid for comparison purposes?

Upvotes: 0

Views: 67

Answers (1)

Alexei Levenkov
Alexei Levenkov

Reputation: 100620

Yes, but it requires more careful coding than comparing Guids.

Code that uses Guid for comparison is easier to get correct as there is exactly one representation of unique Guid value in that form.

String representation is way more flexible (i.e. case, dashes) so you may need to either normalize values first (i.e. lower-case and remove all non-alphanumeric characters), or have custom comparator (i.e. one that only compares alphanumeric characters and ignores case).

Upvotes: 1

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