Assembly: System.Web (in System.Web.dll)
The ID specified in the DataSourceID property cannot be found.
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The requested DataMember property could not be found.
The method notifies the HtmlSelect control that it should perform actions common to each HTTP request for the page it is associated with. The method connects the HtmlSelect control to the appropriate data source specified in either the DataSource property or the DataSourceID property. If the DataSourceID property is to specify the data source control that the HtmlSelect control should use to retrieve its data source, then the OnDataSourceViewChanged method is set as the event handler.