How to count row in the table


Does anybody here know how to count rows in the table widget and display the count result in the UI? for example i want to count how many table rows of my pending vacation request table and display the count result in the UI.

thank you

Table filled with null each row

Hello Everyone,

Currently im having an issue with my table row. almost all of my table row filled with null. Does anybody here ever experienced this problem? what are the solution to overcome this? and what makes the row filled with null by itself? Here I give you screenshot of my table.