One cannot use cascading dropdowns during in cell editing mode because only one cell can be in edit mode at a time. This means that only one dropdown will be visible.
We have a demo
which shows how to use cascading dropdowns in inline and popup editing mode.
One can get the entire data source of the grid by using its dataSource
field. Have in mind though that it contains only the current page of data unless the ServerOperation
option of the data source is set to false.
Here is how to do that:
/* other configuration */
var grid = $("#grid").data("kendoGrid");
var dataItems = grid.dataSource.data();
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