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Returns the value of the specified column as a global unique identifier (GUID).
Visual Basic
Public Overrides Function GetGuid( _
ByVal ordinal As Integer _
) As Guid
C#
public override Guid GetGuid(
int ordinal
);
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.