internal string InsertCountryInfo( Country objCountry ) {
int affectedRow = objCountryGateway.InsertInfo(objCountry);
if (affectedRow > 0) {
return "Insert Succesfull";
}
return "Insert Failed!!";
}
internal string InsertCountryInfo( Country objCountry ) {
if (CheckCountryByName(objCountry.CountryName)) {
return "Country Name Already exists";
}
int affectedRow = objCountryGateway.InsertInfo(objCountry);
if (affectedRow > 0) {
return "Insert Succesfull";
}
return "Insert Failed!!";
}
public List<Country> GetCountryInfo() {
List<Country> countries = new List<Country>();
string getCountryQuery = "SELECT CountryID, CountryName FROM Country ORDER BY CountryName";
SqlCommand command = new SqlCommand(getCountryQuery, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read()) {
Country country = new Country();
country.CountryID = Convert.ToInt32(reader["CountryID"].ToString());
country.CountryName = reader["CountryName"].ToString();
countries.Add(country);
}
reader.Close();
connection.Close();
return countries;
}
internal int InsertInfo( Country objCountry ) {
string insertQuery = "INSERT INTO Country VALUES(@name, @about)";
SqlCommand insertCommand = new SqlCommand(insertQuery, connection);
insertCommand.Parameters.Clear();
insertCommand.Parameters.Add("name", SqlDbType.NVarChar);
insertCommand.Parameters["name"].Value = objCountry.CountryName;
byte[] aboutBytes = Encoding.UTF8.GetBytes(objCountry.AboutCountry);
insertCommand.Parameters.Add("about", SqlDbType.VarBinary);
insertCommand.Parameters["about"].Value = aboutBytes;
connection.Open();
int affectedRow = insertCommand.ExecuteNonQuery();
connection.Close();
return affectedRow;
}
internal List<Country> GetAllInfo() {
int countSl = 1;
List<Country> countries = new List<Country>();
string getAllQuery = "SELECT * FROM Country ORDER BY CountryName";
SqlCommand getAllCommand = new SqlCommand(getAllQuery, connection);
connection.Open();
SqlDataReader objReader = getAllCommand.ExecuteReader();
while (objReader.Read()) {
Country objCountry = new Country();
objCountry.CountryName = Convert.ToString(objReader["CountryName"]);
byte[] objBytes = (byte[])objReader["AboutCountry"];
objCountry.AboutCountry = Encoding.UTF8.GetString(objBytes);
objCountry.CountrySL = countSl++;
countries.Add(objCountry);
}
objReader.Close();
connection.Close();
return countries;
}
protected void saveButton_Click( object sender, EventArgs e ) {
Country objCountry = new Country();
double parsedValue;
int parsedInteger;
objCountry.CountryName = nameTextBox.Text;
objCountry.AboutCountry = aboutTextArea.Value;
if (objCountry.CountryName == string.Empty) {
messageLabel.Text = "Name Field is Empty";
}
else if (double.TryParse(objCountry.CountryName, out parsedValue)) {
messageLabel.Text = "Invalid Name Input!";
}
else if(int.TryParse(objCountry.CountryName,out parsedInteger)) {
messageLabel.Text = "Invalid Name Input!";
}
else if (objCountryManager.CheckCountryByName(objCountry.CountryName)) {
messageLabel.Text = "Country Name already Exists";
}
else {
messageLabel.Text = objCountryManager.InsertCountryInfo(objCountry);
LoadIntoGridview();
ClearAllFields();
}
}
internal int InsertInfo( Country objCountry ) {
return 0;
}
public List<Country> GetAllCounty() {
string query = "SELECT * FROM Country ORDER BY CountryName ";
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
List<Country> countryList = new List<Country>();
while (reader.Read()) {
Country countryObj = new Country();
countryObj.CountryID = Convert.ToInt32(reader["CountryID"].ToString());
countryObj.CountryName = reader["CountryName"].ToString();
countryList.Add(countryObj);
}
connection.Close();
return countryList;
}