Generating model from existing database in Asp.Net Core Application

Use NuGet search to Install the same version 8.0.4(exmple) of all the bellow 3 - 

Microsoft.EntityFrameworkCore.Design

Microsoft.EntityFrameworkCore.Tools

Microsoft.EntityFrameworkCore.SqlServer

                               OR

Try    ->

         

PM> 

     1) Install-Package  Microsoft.EntityFrameworkCore.Design

     2) Install-Package  Microsoft.EntityFrameworkCore.Tools

     3) Install-Package  Microsoft.EntityFrameworkCore.SqlServer

                                Then

PM> 

Scaffold-DbContext "Server=Server Name;Initial Catalog=DBname;Persist Security Info=False;
User ID=**;Password=*****;MultipleActiveResultSets=False;Encrypt=True;TrustServerCertificate=
True;Connection Timeout=30;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Models  -force

or

Scaffold-DbContext "Server=Server Name;Initial Catalog=DBname;Trusted_Connection=True;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Models
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If you done some changes in DB, then try to update the code by using the following;

PM>

Scaffold-DbContext "Server=Server Name;Database=DBname;User ID=**;Password=*****; Trusted_Connection=True;encrypt=false;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Models -Force