BackgroundQuery 属性 (Excel)QueryTable.BackgroundQuery property (Excel)

如果查询表的查询是异步执行(在后台执行)的,则为 TrueTrue if queries for the query table are performed asynchronously (in the background). 读取/写入 BooleanRead/write Boolean.

语法Syntax

表达式BackgroundQueryexpression.BackgroundQuery

_表达式_一个代表查询表对象**** 的变量。expression A variable that represents a QueryTable object.

说明Remarks

对于 OLAP 数据源,此属性是只读的,并且始终返回 FalseFor OLAP data sources, this property is read-only and always returns False.

如果使用用户界面导入数据, 则会将来自 web 查询或文本查询的数据作为一个查询表**** 对象导入, 而将所有其他外部数据作为**ListObject** 对象导入。If you import data by using the user interface, data from a web query or a text query is imported as a QueryTable object, while all other external data is imported as a ListObject object.

如果使用对象模型导入数据, 则必须将来自 web 查询或文本查询的数据作为查询表导入****, 而所有其他外部数据均可作为ListObject或查询表导入。 ****If you import data by using the object model, data from a web query or a text query must be imported as a QueryTable, while all other external data can be imported as either a ListObject or a QueryTable.

您可以使用ListObject的查询表属性来访问BackgroundQuery属性。 You can use the QueryTable property of the ListObject to access the BackgroundQuery property.

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