GetDouble Method

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

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

Syntax

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

returnValue = instance.GetDouble(ordinal)
public override double GetDouble(
    int ordinal
)
public:
virtual double GetDouble(
    int ordinal
) override
abstract GetDouble : 
        ordinal:int -> float 
override GetDouble : 
        ordinal:int -> float 
public override function GetDouble(
    ordinal : int
) : double

Parameters

Return Value

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

Implements

IDataRecord. . :: . .GetDouble(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 double-precision floating point number.

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

See Also

Reference

SqlCeDataReader Class

SqlCeDataReader Members

System.Data.SqlServerCe Namespace