Store Context This will create a Migrations folder and add a file to it. This is where you need to add an extra step for an existing database.If we create a migration now, it will attempt to add all our entities to the database.
This is probabaly a really easy solution, but i want a simple example of how to update a field in database?
I have got a insert and select working as at the moment i have a page that shows the details on the page and then i want the user to change something then click update and then it would update the database and refresh the page with the new data.
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There is going to come a point where you will want to update your existing database model from your code.
The typical way to do this is to use migrations; however, using Code First with an existing database requires a little extra care to work correctly.
Here is the action methods of the controller CONTROLLER ACTION METHODS // GET: Personal Details/Edit/5 public Action Result Edit(int?
id) // POST: Personal Details/Edit/5 // To protect from overposting attacks, please enable the specific properties you want to bind to, for // more details see [Http Post] [Validate Anti Forgery Token] public Action Result Edit([Bind(Include = "Auto Id, First Name, Last Name, Age, Active")] Personal Detail personal Detail) that renders a hidden element with current primary key value used to find and update the record.
This will not work because the products and categories tables already exist in the database, so we need to create an initial blank migration and then later we will be able to add a migration for any new changes.