GetColumnSQLVARIANTLength 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 GetColumnSQLVARIANTLength method retrieves the number of bytes required to hold the data portion of the specified sql_variant column.

语法

object
.GetColumnSQLVARIANTLength( 
Row
, 
Column
, 
ObjName
)
as Long

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.

• ObjName
  String that specifies a table or view name.

Prototype (C/C++)

HRESULT GetColumnSQLVARIANTLength(
long lRow, 
long lColumn, 
SQLDMO_LPCSTR ObjName, 
LPLONG pRetLen);

注意：
If an application calls GetColumnSQLVARIANTLength on an instance of SQL Server version 7.0, the constant, SQLDMO_E_SQL80ONLY, and the message "This property or method requires Microsoft SQL Server 2000 or later" are returned.

Applies To:

请参阅

参考

GetColumnSQLVARIANT Method
GetColumnSQLVARIANTDataType Method

帮助和信息

获取 SQL Server 2005 帮助