How to show headers in each page of the report in Microsoft Report Viewer

In your .rdlc report there is small down arrow at the bottom right corner with red box, you need to click on “Advanced Mode”.

By clicking, your row and column groups will expand with new fields named “Static” as shown below: 

Now, click “Static” in Row Groups list, and check the properties on the right side: Set “RepeatOnNewPage” to “True” and “KeepWithGroup” to “After” as shown below:

Now, repeat above procedure for all “Static” rows in Row Groups list, except the “Static” rows present under the different group (encircled with black color in following figure), do same for the Details group (encircled with red color): 

This enables you to view Header Row on each page of .rdlc report.