ColumnName Property
未來的 Microsoft SQL Server 發行版本將不再提供此功能。請避免在新的開發工作中使用此功能,並計劃修改目前使用此功能的應用程式。
The ColumnName property exposes a descriptive identifier for a column in the current result set of a QueryResults object.
語法
object
.ColumnName(
OrdinalColumn
)
Parts
- object
An expression that evaluates to an object in the Applies To list
- OrdinalColumn
A long integer that specifies the column in the results by position
Data Type
String
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetColumnName(long nColumn,SQLDMO_LPBSTR pRetVal);
附註: |
---|
SQL Distributed Management Objects (SQL-DMO) strings are always returned as OLE BSTR objects. A C/C++ application obtains a reference to the string. The application must release the reference using SysFreeString. |
備註
ColumnName is an empty string for unnamed columns, such as the unqualified results of a Transact-SQL expression.