GetByte Method
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 null Nothing nullptr unit a 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.