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

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

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”;

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

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

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

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

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

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

Passing Model to from Controller

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