请帮助我

Can you please help me

i got error in code 

var tmp = filmovi.dohvatiSve();
foreach (filmovi f in tmp) ;

(for all people, "filmovi" means movies and "dohvatiSve" means get all)

here is error: Severity Code Description Project File Line Suppression State
Error CS0117 'filmovi' does not contain a definition for 'dohvatiSve' WindowsFormsApp2 C:\Users\User\source\repos\WindowsFormsApp2\WindowsFormsApp2\Form1.cs 25 Active

pls help me 

copied from <g class="gr_ gr_13 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar only-ins doubleReplace replaceWithoutSep" data-gr-id="13" id="13">aspDOTnet</g> post

pls help me