Message in Chinese (Simplified) (中文(简体))
“<var>X</var>”的 DataSourceID 必须是 IHierarchicalDataSource 类型的控件的 ID。未能找到 ID 为“<var>Y</var>”的控件。
Unlocalized message
The DataSourceID of '<var>X</var>' must be the ID of a control of type IHierarchicalDataSource. A control with ID '<var>Y</var>' could not be found.
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