How to Insert, Update, Delete and Read from Database using Asp.Net MVC in C#

How to insert, update, delete, and read operations using MVC application with Sql server database.
Here is link for Complete code:
https://github.com/deepak05121989/MVCCRUD
Database Table Script:
CREATE TABLE [dbo].[Employees](
[emp_id] [int] IDENTITY(1,1) primary key NOT NULL,
[emp_name] [varchar](50) NULL,
[emp_email] [varchar](50) NULL,
[emp_salary] [money] NULL,
[emp_dept] [varchar](50) NULL
)