Tablix:在每个不工作的页面上重复标题行——报告构建器3.0

I have a tablix with lots of rows that span over multiple pages. I have set the Tablix property Repeat header rows on each page but this does not work. I read somewhere that this is a known bug in Report Builder 3.0. Is this true? If not, is there something else that needs to be done? I have a tablix with lots of rows that span ove