SqlDataReader.GetGuid with column name c#?

Is there a way to get a column by name and retain the SQL type information returned by SqlDataReader?

I only s开发者_StackOverflow中文版ee .GetGuid(int column)?

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There is no separate method to get a GUID (or any of the other types) by column name directly.

What you need to do is this:

Guid someguid = dr.GetGuid(yourDataReader.GetOrdinal("your-col-name"));

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You could always just cast the result of the SqlDataReader's indexer:

Guid myGuid = (Guid)myDataReader["myColumnName"];