static void Main(string[] args)
{
Customer eklenecek = new Customer();
eklenecek.Country = "Türkiye";
eklenecek.DateOfBorn = Convert.ToDateTime("1990-03-28");
eklenecek.FirstName = "Hasan";
eklenecek.LastName = "Mehmet";
int customerId = eklenecek.AddCustomer();
Customer guncellenecek = new Customer();
guncellenecek.Id = customerId;
guncellenecek.Country = "Türkiye";
guncellenecek.DateOfBorn = Convert.ToDateTime("1989-03-28");
guncellenecek.FirstName = "Hasan";
guncellenecek.LastName = "Mehmet";
guncellenecek.UpdateCustomer();
Customer silinecek = new Customer();
silinecek.Id = customerId;
silinecek.RemoveCustomer();
Customer businessOperation = new Customer();
int customerCount = businessOperation.GetCustomerCount();
List<Customer> after1990 = businessOperation.GetCustomerBornAfterDate(new DateTime(1990,01,01));
}
public List<Customer> GetCustomerBornAfterDate(DateTime datetime)
{
List<Customer> results = null;
using (SqlConnection conn = new SqlConnection(GetConnectionString()))
{
SqlCommand sqlCmd = new SqlCommand();
sqlCmd.Connection = conn;
sqlCmd.CommandText = selectAfterDate;
sqlCmd.Parameters.Add(new SqlParameter("DateOfBorn", datetime));
conn.Open();
SqlDataReader reader = sqlCmd.ExecuteReader(CommandBehavior.CloseConnection);
if (reader.HasRows)
results = new List<Customer>();
while (reader.Read())
{
Customer cust = new Customer(reader.GetInt32(0),
reader.GetString(1), reader.GetString(2),
reader.GetDateTime(3), reader.GetString(4));
results.Add(cust);
}
}
return results;
}
public Customer GetCustomerbyId()
{
Customer cust = null;
using (SqlConnection conn = new SqlConnection(GetConnectionString()))
{
SqlCommand sqlCmd = new SqlCommand();
sqlCmd.Connection = conn;
sqlCmd.CommandText = selectByIdStatement;
sqlCmd.Parameters.Add(new SqlParameter("Id", Id));
conn.Open();
SqlDataReader reader = sqlCmd.ExecuteReader(CommandBehavior.CloseConnection);
while (reader.Read())
{
cust = new Customer();
cust.Id = reader.GetInt32(0);
cust.FirstName = reader.GetString(1);
cust.LastName = reader.GetString(2);
cust.DateOfBorn = reader.GetDateTime(3);
cust.Country = reader.GetString(4);
}
}
return cust;
}