If I understand correctly, you want to download only the part of your dataset at once?
If it is so, the scheduler provides the “dynamic loading” functionality, which lets you download data for: “day, week, month, year”. It doesn’t support loading data for the “grid view” data range, so you should choose the most “appropriate” loading mode for your grid’s range.
Or if you meant loading all events to the “Grid” while “week/month/year” views stays empty, and adding events to these views by clicking on them in the grid(and adding some properties for them, like the owner, project, etc.).
In this case, you may use the “filter” functionality, which lets you “display/not display” events for certain views, based on some parameters, here is a guide: