Discussion of one type of many-to-many relationship. We are going to use checkboxes in the UI to allow the user to select multiple related "Conditions" in the Patient's medical history. 0:00 Many to Many Discussion (No Payload) 8:10 Add/Modify the Models 10:35 Changes in DbContext-Cascade Delete? 12:25 Add a new Migration 14:30 Seed data for the m:m 21:15 Don't see the new data yet. 22:30 Modify Index, Details and Delete Views 26:00 Still no data!?! - Missing .Include().ThenInclude() 28:55 Maintain the m:m in Create and Edit Patient 31:00 ViewModel for a Checkbox 33:45 Controller methods for the checkboxes. 38:40 Create Process - Patient Get 45:40 Post for Patient Create 49:20 catch for the Transaction
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