talking about the letter M in MVC which is Model

2. AW
Prepared and presented by :
Muhammad Hesham & Mustafa Saeed
Aspiration Webbers
Session 7(ASP.Net)
Model

3. •What is “Database” ?
•Entity Framework
•ASP.NET MVC Model
Objectives

4. Database

5. Albums Table

6. Artists Tables

7. Genres Tables

8. SQL
Structured Query Language
• Create
• Read
• Update
• Delete

9. Create
Database
CREATE DATABASE ModelDemoContext;
Table
Insert
INSERT INTO Artists
CREATE TABLE Artists(column1 datatype, column2 datatype, PRIMARY KEY(ArtistId));ArtistId INT,Name NVARCHAR, PRIMARY KEY(ArtistId));
(column1, column2) VALUES (value1, value2);(ArtistId, Name) VALUES (1, Adele);

10. Read
Table
SELECT * FROM Artists;
(Means select all the rows in that table, not the table itself)

11. Update
Database:
ALTER DATABASE oldName; MODIFY NAME = newname;DBName DBNewName;
Update:
column1 = value;SETtable_nameUPDATE Artists Name= Maron;

12. Delete
Database:
DROP DATABASE DatabaseName;
Table:
DROP TABLE
Item:
DELETE FROM
table_name;Artists
[condition];table_name WHEREArtists ArtistId =5 ;

13. Entity Framework
ORM

14. DBContext
public class ModelDemoContext : DbContext
{
public ModelDemoContext()
:base("name=ModelDemoContext")
{
}
public DbSet<Album> Albums { get; set; }
public DbSet<Artist> Artists { get; set; }
public DbSet<Genre> Genres { get; set; }
}

15. Album Class
public class Album
{
public int AlbumId { get; set; }
public int GenerId { get; set; }
public int ArtistId { get; set; }
public string Title { get; set; }
public decimal Price { get; set; }
public Genre Genre { get; set; }
public Artist Artist { get; set; }
}

16. Artist Class
public class Artist
{
public int ArtistId { get; set; }
public string Name { get; set; }
}

17. Genre Class
public class Genre
{
public int GenerId { get; set; }
public string Name { get; set; }
public string Description { get; set; }
public List<Album> Albums { get; set; }
}

18. DBContext
public class ModelDemoContext : DbContext
{
public ModelDemoContext()
:base("name=ModelDemoContext")
{
}
public DbSet<Album> Albums { get; set; }
public DbSet<Artist> Artists { get; set; }
public DbSet<Genre> Genres { get; set; }
}

19. Demo

21. Contact :
phmustafasaeed@outlook.com
Muhammad.hesham7@outlook.com
FB.com/groups/AWMSPCU17