SqlCeDataReader.GetFloat Method

Article
10/22/2007

Gets the value of the specified column as a single-precision floating point number.

Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in system.data.sqlserverce.dll)

Syntax

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

returnValue = instance.GetFloat(ordinal)

public override float GetFloat (
    int ordinal
)

public:
virtual float GetFloat (
    int ordinal
) override

public float GetFloat (
    int ordinal
)

public override function GetFloat (
    ordinal : int
) : float

Parameters

ordinal
The zero-based column ordinal.

Return Value

The value of the specified column.

Exceptions

Exception type	Condition
InvalidCastException	The specified cast is not valid.
SqlNullValueException	The value is 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 single-precision floating point number.

Call IsDBNull to check for a null reference (Nothing in Visual Basic) values before calling this method.

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see .

Platforms

Windows CE, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows XP Professional x64 Edition, Windows XP SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Version Information

.NET Compact Framework

Supported in: 2.0, 1.0