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SqlDataReader::GetGuid Method

Gets the value of the specified column as a globally unique identifier (GUID).

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

public:
virtual Guid GetGuid(
	int i
) override

Parameters

i
Type: System::Int32

The zero-based column ordinal.

Return Value

Type: System::Guid
The value of the specified column.

Implements

IDataRecord::GetGuid(Int32)

ExceptionCondition
InvalidCastException

The specified cast is not valid.

No conversions are performed; therefore, the data retrieved must already be a GUID.

Call IsDBNull to check for null values before calling this method.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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