If there are a large number of options then using Checkboxes becomes unwieldly. It is better to use two multiselect List Boxes where the user can move options back and forth to select the options they want.<br />0:00 A different UI for m:m<br />1:40 ListOptionVM<br />3:00 Includes for m:m - Index, Details and Delete<br />8:00 Bootstrap Collapse to display the List<br />13:15 Collapse Demo - Index, Details and Delete<br />18:00 Controller - Add Populate and Update for the options<br />22:50 Controller Changes - Create<br />26:40 UpdateDoctorSpecialties<br />30:20 Controller Changes - Edit<br />33:50 Option - Redirect to Details after Edit
