I'm wondering if the Patch would be the only option when saving the Edit form with multiselect combo box populated with lookup field.
The list of employee credentials is maintained, and provided for a multiselecting on Employee form, which has as a data source Employee table. There is a one-to-many relationship Employee - > Credentials.
The problem being is that when saving the Employee record with multiselected credentials I got an error message - "Value must be a data entity record".
Seems to be the only option to patch all form data or to switch the Credentials list to an option set. I'm wondering if there is a a native configuration/property of combobox/form to not rewrite the update with Patch.
Have a look at using the Concat function in this situation. You can create a string (with a separator) from the multiple selections from the combo box, so long as your column is OK with a string. Example:
Concat(ComboBox1.SelectedItems, Value, " , ")
Hope that helps,
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