1. MIS 324 -- Professor Sandvig MIS 324 Professor Sandvig
10/11/2019
MVC Introduction
MIS 324
Professor Sandvig

2. Recap Photos exercise Controller: Handles http requests
Request includes:
controller name
action method name
Example: ~/photos/dahlia
Action method name optional
Defaults to “index”

3. Recap Controller Parameters ViewBag Give each object a name
Example:
photos/photoView?id=dahlia
Photos/photoView/dahlia
ViewBag
Passes values from controller to view
Give each object a name
Eg: ViewBag.photo = “dahlia”;

4. Today Review photos exercise Models How to define model
Benefits
How to define model
Accessing from controller
Passing to view

5. What is Model Model describes data Typically a real-world entity
Customer
Product
Order
Transaction
Etc.

6. Benefits of Models Model defines data Pass all fields as object
Datatypes
Pass all fields as object
Visual Studio
Examines model:
Create forms
Validation

7. Benefits of Models Visual Studio wizards Uses model to create forms
Includes Validation

8. How to Define Model
Add new class to model folder
Syntax:

9. Accessing Model from Controller
Need to add using statement
Points to “Models” namespace

10. Passing Model to from Controller

11. MIS 324 -- Professor Sandvig
10/11/2019
Summary
MVC Models
Define business entities
Employees
Customers
Products
All properties in single object
Pass as single object
Validation in definition
Visual Studio wizards