private void SearchButton_Click(object sender, EventArgs e) { try { _mobile.MinPrice = Convert.ToInt32(textBoxMinPrice.Text); _mobile.MaxPrice = Convert.ToInt32(textBoxMaximunPrice.Text); List <Mobile> mobiles = _mobileManager.SearchByPriceRange(_mobile); // int isSearch = _mobileManager.SearchByPriceRange(_mobile); if (mobiles.Count > 0) { // dataGridViewMobiles.DataSource = Convert.ToBoolean(_mobileManager.SearchByPriceRange(_mobile)); //MessageBox.Show("Data Found!"); dataGridViewMobiles.DataSource = _mobileManager.SearchByPriceRange(_mobile); } else { MessageBox.Show("Not Exist"); } } catch (Exception exception) { Console.WriteLine(exception); //throw; } }