共用方式為

GetColumnDouble Method

  • 發行項

未來的 Microsoft SQL Server 發行版本將不再提供此功能。請避免在新的開發工作中使用此功能，並計劃修改目前使用此功能的應用程式。

The GetColumnDouble method returns a QueryResults object result set member converted to a Double value.

語法

object
.GetColumnDouble(
Row
, 
Column
)
as
Double

Parts

  • object
    Expression that evaluates to an object in the Applies To list.
  • Row
    Long integer that identifies a row by ordinal position.
  • Column
    Long integer that identifies a column by ordinal position.

Prototype (C/C++)

HRESULT GetColumnDouble(
long lRow,
long lCol,
LPDOUBLE pRetVal);

Returns

A Double representation of the value of a QueryResults object result set member.

備註

The Row and Column Parameters are 1-based in Microsoft Visual Basic applications, and are zero-based in C++ applications.

Applies To:

QueryResults Object