SqlCeDataReader.GetByte Method

Artikel
03/29/2011

Gets the value of the specified column as a byte.

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

Syntax

'Declaration
Public Overrides Function GetByte ( _
    ordinal As Integer _
) As Byte
'Usage
Dim instance As SqlCeDataReader
Dim ordinal As Integer
Dim returnValue As Byte

returnValue = instance.GetByte(ordinal)

public override byte GetByte(
    int ordinal
)

public:
virtual unsigned char GetByte(
    int ordinal
) override

abstract GetByte : 
        ordinal:int -> byte 
override GetByte : 
        ordinal:int -> byte

public override function GetByte(
    ordinal : int
) : byte

Parameters

ordinal
Type: System.Int32
The zero-based column ordinal.

Return Value

Type: System.Byte
The value of the specified column as a byte.

Implements

IDataRecord.GetByte(Int32)

Exceptions

Exception	Condition
InvalidCastException	The specified cast is not valid.
SqlNullValueException	The value is nulla null reference (Nothing in Visual Basic).
InvalidOperationException	The operation is not valid. The SqlCeDataReader may be positioned after the last row in the result set.

Remarks

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

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

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