ios - How to make UITableview exact height? -

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i have following issue having 1 button on main view if click on button add subview on main view tableview here code

fnsettingsviewcontroller *fnsettings = [[fnsettingsviewcontroller alloc]initwithnibname:@"fnsettingsviewcontroller" bundle:nil]; fnsettings.delegate=self; [fnsettings.view setframe:cgrectmake(0, 30, self.view.frame.size.width,250)]; [self.view addsubview:fnsettings.view];

after click on button subview tableview rest of them having whitespace.

then how remove remaining whitespace.

please known me.

before allocate value tableview knows cells count right? try code:

float height=[arraytablevalues count]*height of single cell; tableview.frame=cgrectmake(0,30,self.view.frame.size.width,height);

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