GetColumnFloat Method
后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能,并着手修改当前还在使用该功能的应用程序。
The GetColumnFloat method returns a QueryResults object result set member converted to a Single value.
语法
object
.GetColumnFloat(
Row
,
Column
)
as
Single
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 GetColumnFloat(
long lRow,
long lCol,
LPFLOAT pRetVal);
Returns
A Single representation of the value of a QueryResults result set member.
注释
The Row and Column Parameters are 1-based in Microsoft Visual Basic applications, and are zero-based in C++ applications.