Szerkesztés

Megosztás a következőn keresztül:


OleDbDataReader.GetDouble(Int32) Method

Definition

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

public:
 override double GetDouble(int ordinal);
public:
 virtual double GetDouble(int ordinal);
public override double GetDouble (int ordinal);
public double GetDouble (int ordinal);
override this.GetDouble : int -> double
abstract member GetDouble : int -> double
override this.GetDouble : int -> double
Public Overrides Function GetDouble (ordinal As Integer) As Double
Public Function GetDouble (ordinal As Integer) As Double

Parameters

ordinal
Int32

The zero-based column ordinal.

Returns

The value of the specified column.

Implements

Exceptions

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 look for null values before calling this method.

Applies to

See also