GetGuid Method

The Advanced SQL Engine does not support globally-unique identifiers. This method will always throw an exception.

Syntax

'Declaration
 
Public Overrides NotOverridable Function GetGuid( _
   ByVal ordinal As Integer _
) As Guid

'Usage
 
Dim instance As TdDataReader
Dim ordinal As Integer
Dim value As Guid
 
value = instance.GetGuid(ordinal)

public override Guid GetGuid( 
   int ordinal
)

public:
Guid GetGuid( 
   int ordinal
) override

Returns the value of the specified field represented as a System.Guid type.

Exceptions

Exception	Description
System.IndexOutOfRangeException	ordinal is less than zero or ordinal is equal to or greater than TdDataReader.FieldCount.
System.InvalidCastException	The field cannot be converted into System.String. A null field will result in an exception.
System.InvalidOperationException	CommandBehavior is set to SchemaOnly, or there is no data for the row or column, or preceding columns are no longer accessible.
System.ObjectDisposedException	The TdDataReader is closed.
TdException	The Advanced SQL Engine returned an error, or .NET Data Provider for Teradata detected an error.

Requirements

Target Platforms: Windows 8.1, Windows 10, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019