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OleDbDataReader.GetDouble Method

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

[Visual Basic]
Public Overridable Function GetDouble( _
   ByVal ordinal As Integer _
) As Double Implements IDataRecord.GetDouble
[C#]
public virtual double GetDouble(
 int ordinal
);
[C++]
public: virtual double GetDouble(
 int ordinal
);
[JScript]
public function GetDouble(
   ordinal : int
) : double;

Parameters

ordinal
The zero-based column ordinal.

Return Value

The value of the specified column.

Implements

IDataRecord.GetDouble

Exceptions

Exception Type Condition
InvalidCastException The specified cast is not valid.

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.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

OleDbDataReader Class | OleDbDataReader Members | System.Data.OleDb Namespace

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