public static bool AddCountryToCountryDatabase(Country CountryToAdd)
{
try
{
using (StreamWriter writer = new StreamWriter(FilePath, true))
{
writer.WriteLine(CountryToAdd);
}
return true;
}
catch (Exception)
{
return false;
}
}
public static List<Country> ReadCountrysFromDatabase()
{
var listOfCountrys = new List<Country>();
using (StreamReader reader = new StreamReader(FilePath))
{
var currentLine = reader.ReadLine();
while (currentLine != null)
{
var currentCountry = currentLine.Split('|');
var country = new Country(currentCountry[0].Trim(),
currentCountry[1].Trim(),
int.Parse(currentCountry[2].Trim()));
listOfCountrys.Add(country);
currentLine = reader.ReadLine();
}
}
return listOfCountrys;
}
protected void btnAdd_Click(object sender, EventArgs e)
{
var country = new Country(this.txtCountry.Text, this.txtCapital.Text, int.Parse(this.txtPopulation.Text));
var listOfCountries = FileOperations.ReadCountrysFromDatabase();
if (FileOperations.AddCountryToCountryDatabase(country))
{
lblMessage.Text = "Country successfuly added.";
this.txtCountry.Text = "";
this.txtCapital.Text = "";
this.txtPopulation.Text = "";
}
else
{
lblMessage.Text = "Country already ecsists";
this.txtCountry.Text = "";
this.txtCapital.Text = "";
this.txtPopulation.Text = "";
}
}