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);
.gif "注意") 注意 |
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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. |