GetColumnDouble Method

未來的 Microsoft SQL Server 版本將移除這項功能。請避免在新的開發工作中使用這項功能，並規劃修改目前使用這項功能的應用程式。

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

語法

object.GetColumnDouble(Row, Column)asDouble

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