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

語法

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);

[!附註]

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:

QueryResults2 Object