如何纠正错误呢? Error 1 Element 'ListPicker1' is not a known element. This can occur if there is a compilation error in the Web site. Error 2 /WebSite6/ListPicker.ascx has a circular reference! /
Error 1 Element 'ListPicker1' is not a known element. This can occur if there is a compilation error in the Web site. Error 2 /WebSite6/ListPicker.ascx has a circular reference! /