Program.cs

using System;

namespace DatabaseManager.Dapper
{
    class Program
    {
        static void Main(string[] args)
        {
            //https://www.connectionstrings.com/sqlconnection/

            string connectionString = @"Server=localhost;Database=rizhwan;User Id=sa;
                                        Password = <YourStrong!Passw0rd>; ";

            var databaseManager = new DatabaseManager(connectionString);     
            var customers = databaseManager.Query<Customer>("select * from Customer");

            foreach (var customer in customers)
            {
                Console.WriteLine($"Name: {customer.Name}");
            }

            Console.WriteLine("Hello World!");
        }

        class Customer
        {
            public string Name { get; set; }
        }
    }
}