t:dataTable columnHeaders not updated when changeing the number of columns

[Alin Dosoniu]

Hi,   I am using t:dataTable on a page and need to change its number of columns when change value of a selectbox. Something like want to show 3 months and from a selectbox select value 6, so I want to display a table with 6 columns instead of 3.   The problem that I have is that first time after modify the number of columns (now have january, february, march), I modify the columnHeaders list but in browser I get a table with only 3 columns as header (and the data from header is the old data - january, february, march) but with all 6 columns for data. If I click on a link from scroller (go to second page for example), the page is showing the header correctly, it has 6 columns - january, february, march, april, may, june.   Something similar is happening when changing the number of columns from 6 to 3. I get a table with 6 columns as header and only 3 columns as data.   Do I have to call a specific method after changing the list of header values? Or is this a known problem of t:dataTable in this scenario?   Thanks, Alin.