c# - How to create basic CRUD app that uses 3 data tier and Interface? -


i new asp.net development(programming c#) , started last friday. have exercise teacher create below requirement. can me or @ least show tutorial? tried find in google can't understand well. able add class file (literally adding folders) don't know how start , implement.

thanks lot in advance. hope me. thanks

a. create data tier.

  1. create new class library project (dataaccess).

  2. create new folder interfaces. add interface (iemployeedata.cs).

  3. add class (employeedata.cs), implement iemployeedata interface.

  4. create operations following:

    4.1. insert employee details entry.

    4.2. update employee details entry.

    4.3 delete employee entry.

    4.4. retrieve employee details.

    4.5. retrieve employment status data.


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