public void DeleteBorasz(Borasz model)
 {
     using (MySqlConnection con = new MySqlConnection(conStr))
     {
         con.Open();
         string sql = "DELETE FROM Borasz WHERE Id = @Id;";
         using (MySqlCommand cmd = new MySqlCommand(sql, con))
         {
             cmd.Parameters.AddWithValue("@Id", model.Id);
             cmd.ExecuteNonQuery();
         }
     }
 }
 public Borasz InsertBorasz(Borasz model)
 {
     using (MySqlConnection con = new MySqlConnection(conStr))
     {
         con.Open();
         string sql = "INSERT INTO Borasz(Nev, Email, Telefon) VALUES(@Nev, @Email, @Telefon); ";
         using (MySqlCommand cmd = new MySqlCommand(sql, con))
         {
             cmd.Parameters.AddWithValue("@Nev", model.Nev);
             cmd.Parameters.AddWithValue("@Email", model.Email);
             cmd.Parameters.AddWithValue("@Telefon", model.Telefon);
             cmd.ExecuteNonQuery();
             int id = (int)cmd.LastInsertedId;
             return(GetBorasz(id));
         }
     }
 }
 public Borasz UpdateBorasz(Borasz model)
 {
     using (MySqlConnection con = new MySqlConnection(conStr))
     {
         con.Open();
         string sql = "UPDATE Borasz SET Nev = @Nev, Email = @Email, Telefon = @Telefon WHERE Id = @Id;";
         using (MySqlCommand cmd = new MySqlCommand(sql, con))
         {
             cmd.Parameters.AddWithValue("@Nev", model.Nev);
             cmd.Parameters.AddWithValue("@Email", model.Email);
             cmd.Parameters.AddWithValue("@Telefon", model.Telefon);
             cmd.Parameters.AddWithValue("@Id", model.Id);
             cmd.ExecuteNonQuery();
             return(GetBorasz(model.Id));
         }
     }
 }