make search filter for column from another table in grid

Hello ia have grid which result some value from another table

and i want to make filter search for them in model, can you help me

table :

1 . City

  • id_city

  • city

  1. Coutry
  • id_country

  • country

  1. Location
  • id_location

  • id_country

  • id_city

i want to appear city , country, and id_location. And i want make model to sort and search them

This has ever been discussed in several threads before. You can check this thread or if you want to do some research, you can look at here.

Hope those can help you. :rolleyes:

i have solved this problem, thanks rei . Do you have seen my other problem ? heheh