Dear Sergio, This is a bit too generic question. Implementation depends on your case and how will you retrieve data from backend. I.e. if you API limits number of rows to 100 , your paginationton implementation will have to call API to gather values 101-200, 201-300 etc. If you would like to use pagination within thus 100, you can implement 2 variables ie.:

1. limit - defined how many rows should be displayed (5,10,15,25,50,100...)
2. page/offset - defining which page is beeing displayed

Using limit & page you can determine starting point I.e. if you set limit to 25 and you are on 3rd page you can calculate starting point of the table as below:

(page-1)*limit+1

i.e.

Page=3 Limit=25

(3-1) * 25 +1 = 2 * 25 + 1 = 51 

now you can use ngFor to display 25 rows starting from row number 51

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