yCount

defines the height of the datatable in rows

number yCount;

Example

/* the height of the datatable will be enough to show 20 rows
(the rest of the rows will be hidden and can be scrolled to)
*/
webix.ui({
   view:"datatable",
   yCount:20
});

Details

Possible values for the property are:

the desired number;
0, to disable yCount (calculate the number of the item on the base of component size).