Learn
The EF diagram now shows how data is saved from the browser to the database:
- The user makes changes to existing data or adds new data
- The data is sent to the Razor page with a POST method that usually is triggered by a button click
- The Razor page parses the data fields from the
<form>
POST and assigns it to a member variable - The variable is merged into the EF context
DBSet
usingAdd()
for a new record,Attach()
for an update, andRemove()
for a deletion - Each of these three context methods generate the SQL statements necessary to complete the task
- The SQL is sent to the database so the data can persist
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