GetGuid

This method returns the Guid value of the specified binary data column. A GUID is a Globally Unique Identifier.

Declaration

// C#
public override Guid GetGuid(int index);

Parameters

Return Value

The Guid value of the column.

Implements

IDataRecord

Exceptions

InvalidOperationException - The connection is closed, the reader is closed, Read() has not been called, or all rows have been read.

IndexOutOfRangeException - The column index is invalid.

InvalidCastException - The accessor method is invalid for this column type or the column value is NULL.

System.ArgumentException - Byte array for GUID must be exactly 16 bytes long.

Remarks

This method can be called on columns that contain binary data, such as RAW and BLOB.
An exception will be thrown if the binary data of the column is not 16 bytes in length.
IsDBNull should be called to check for NULL values before calling this method.