protected void saveCountryButton_Click(object sender, EventArgs e)
{
Message message = new Message();
try
{
string name = nameCountryTextBox.Text.Trim();
string about = aboutCountryTextBox.Text.Trim();
Country newCountry = new Country(name, about);
message = aCountryManager.Save(newCountry);
}
catch (Exception ex)
{
message.Status = "alert alert-danger";
message.Details = ex.Message;
}
finally
{
messageLabel.CssClass = message.Status;
messageLabel.Text = message.Details;
if (message.Status == "alert alert-success")
{
ClearText();
}
LoadAllCountries();
}
}
public Message Save(Country newCountry)
{
Message message = new Message();
if (newCountry.CountryName.Length == 0)
{
message.Status = "alert alert-warning";
message.Details = "Name is Blank.";
return message;
}
bool alreadyExists = aCountryGateway.SearchCountryByName(newCountry.CountryName);
if (alreadyExists)
{
message.Status = "alert alert-danger";
message.Details = "Country name [" + newCountry.CountryName + "] is already exists.";
return message;
}
if (newCountry.CountryAbout.Length == 0)
{
message.Status = "alert alert-warning";
message.Details = "About field is required.";
return message;
}
try
{
aCountryGateway.Save(newCountry);
message.Status = "alert alert-success";
message.Details = "Country Added Successfully";
}
catch (SqlException ex)
{
message.Status = "alert alert-danger";
message.Details = ex.Message;
}
return message;
}
public List<Country> GetAllCountries()
{
SqlConnection connection = new SqlConnection(connectionString);
string query = @"SELECT * FROM Countries ORDER BY Name";
connection.Open();
SqlCommand command = new SqlCommand(query, connection);
SqlDataReader reader = command.ExecuteReader();
List<Country> countries = new List<Country>();
while (reader.Read())
{
Country country = new Country();
country.CountryId = Convert.ToInt32(reader["Id"].ToString());
country.CountryName = reader["Name"].ToString();
countries.Add(country);
}
return countries;
}