Difference between revisions of "Multi Value Lookup"
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'''Designer | '''Designer > Objects > {object} > Forms > Elements''' | ||
A Multi-Value Lookup element will appear in the list of elements for a form whenever the object is in a many-to-many relationship with some other object. | A Multi-Value Lookup element will appear in the list of elements for a form whenever the object is in a many-to-many relationship with some other object. | ||
Revision as of 23:24, 22 June 2012
Designer > Objects > {object} > Forms > Elements
A Multi-Value Lookup element will appear in the list of elements for a form whenever the object is in a many-to-many relationship with some other object.
For example, the Orders object is in a many-to-many relationship with Tags, by virtue of the junction table between them. So a field called Tags is automatically generated in the element list for the Orders object Form (and vice versa).
From the element list, the field can be dragged into a section of the form, at which point the field type will be displayed: Multi Value Lookup.
Using a Multi Value Lookup
A Multi Value Lookup element is identified by the stacked boxes icon: 
. For this field, the GUI gives you a checkbox next to each record, so you select as many of the records as you want.
Sorting a Multi Value Lookup
To control the order in which records appear in the display list:
- Visit the Junction Object that lies between the ends of the many-to-many relationship.
- In the Junction Object, visit the field that does a Lookup to the object that contains the records you want to sort.
- Under Record Selection Information, make selections for the Sort by field and the Sort Order.
Learn more: Object Relationships