How to repeat table's header rows on each page in Reportviewer11 with Visual Studio 2010

click on the black upside down triangle to the left of the column groups and go to Advance Mode 

you have to change some of the values for static rows:

1)      FixedData        True
2)      KeepTogether     True
3)      KeepWithGroup    After
4)      RepeatOnNewPage  True

ok now you may need to read a little more details

link 1 link 2 last link

all the above links solve this issue the same way

Note: 2 properties: RepeatColumnHeader,RepeatRowHeaders of tablix must be set to FALSE