Lesson 3 - E-shop in ASP.NET Core MVC - Products and categories
In the previous lesson, E-shop in ASP.NET Core MVC - Identity, database, and layout, except for other things, we looked at controlling how the database is generated using migrations. In today's ASP.NET Core tutorial, we're going to extend our data model and add two basic entities - Products and Categories.
Those are, of course, the basis of every e-shop. Our product will consist of the following attributes:
ProductId(int) - The product ID, primary key, autoincrement
Code(nvarchar 255) - Barcode for the merchant (e.g. EAN or anything else)
Url(nvarchar 255) - URL address of the product (e.g.
green-flowerpot-ella) for better SEO optimization
Title(nvarchar 255) - Product title
ShortDescription(nvarchar 255) - A short description that will go to the HTML meta tag
Description(text) - A longer description for the product detail page, may contain HTML markup
Price(decimal(10,1)) - Product price
OldPrice(decimal(10,1)) - The old product price (if discounted)
Stock(int) - The number of items in stock
ImagesCount(int) - The number of pictures of the product
Hidden(bit) - Indicates whether the product is hidden (
0, see below).
The only column that isn't mandatory (can be
In the data project, add a new
Product class to the
Models/ folder and make it
public (as well as all
other data model classes). We'll add the class properties as listed above and
attach attributes which we'll explain in a moment:
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In this ASP.NET tutorial, we'll create data models for products and categories, add DataAnnotation attributes to the properties and modify the DbContext.
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