Selection list in a text box

You can use selection lists in text boxes, which improves their usability.

A text box that has a reference type, such as Warehouse or Employee, by default includes a selection button that opens the selection form for a referenced object.

You might need to implement a similar selection from a set of predefined values for fields of other types.

Let us review a very simple example where a user needs to enter customer addresses starting with city names.