support binding combobox to an object in standard form
In order to use a kendo combobox in an editable kendo grid, you have to bind it to an object with two properties (1 for the value and 1 for the text) - unless you happen to be in the fairly unusual scenario where the value and text are the same.
However, in a standard form, you can only bind a kendo combobox to a primitive type for the value. There is no way to bind to an object, which is required in the context of a kendo grid.
So what is required in the grid, is not supported in a standard form. I don't understand the complexities of why that is, but this inconsistency does not make for a good developer experience. It results in either creating different EditorTemplates for the two cases, or binding to the generic "object" - which introduces other challenges / issues. Also - it means there is no good way to post the text back to the server when the kendo combobox is used in a standard form.
See here for more details: