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Returns the value of the specified column as a global unique identifier (GUID).
Public Overrides Function GetGuid(ByVal ordinal As Integer) As Guid
public override Guid GetGuid(int ordinal)
An ordinal number indicating the column from which the value is obtained. The numbering is zero-based.
The value of the specified column.
The data retrieved must already be a globally-unique identifier or binary(16).
Call the SADataReader.IsDBNull method to check for null values before calling this method.