public void addGame(Game obj, int num)
{
try
{
database = new OleDbConnection(connectionString);
database.Open();
string queryString = "INSERT INTO Game (Title, Description, Publisher, ReleaseDate, Rating, PurchasePrice, Copies) " +
"VALUES ('" + obj.Title + "', '" + obj.Description + "', '" + obj.Publisher + "', '" + obj.ReleaseDate + "', '" +
obj.Rating + "', '" + obj.Price + "', '" + obj.Copies + "')";
string queryString2 = "SELECT * FROM Game WHERE Title = '" + obj.Title + "'";
string queryString3;
OleDbCommand cmd = new OleDbCommand(queryString, database);
OleDbCommand cmd2 = new OleDbCommand(queryString2, database);
count = cmd.ExecuteNonQuery();
reader = cmd2.ExecuteReader();
Game temp = new Game();
reader.Read();
temp.Id = Int32.Parse(reader["ID"].ToString());
temp.Title = reader["Title"].ToString();
temp.Description = reader["Description"].ToString();
temp.Publisher = reader["Publisher"].ToString();
temp.ReleaseDate = reader["ReleaseDate"].ToString();
temp.Rating = reader["Rating"].ToString();
temp.Price = Double.Parse(reader["PurchasePrice"].ToString());
temp.Copies = Int32.Parse(reader["Copies"].ToString());
queryString3 = "INSERT INTO GameCopy (CheckedOut, GameID) " +
"VALUES (false, '" + temp.Id + "')";
OleDbCommand cmd3 = new OleDbCommand(queryString3, database);
for (int i = 0; i < num; i++)
count2 = cmd3.ExecuteNonQuery();
if (count >= 1)
MessageBox.Show(obj.Title + " has been added!");
else
MessageBox.Show("Error: Could not add game!");
reader.Close();
database.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
reader.Close();
database.Close();
}
}
private void okButton_Click_1(object sender, EventArgs e)
{
dbIO dataHandler = new dbIO();
Game newGame = new Game(0, titleTextBox.Text, descriptionTextBox.Text, publisherTextBox.Text, releaseDateMaskedTextBox.Text, ratingTextBox.Text, double.Parse(priceMaskedTextBox.Text), (int)numberOfCopiesUpDown.Value);
dataHandler.addGame(newGame,(Int32)numberOfCopiesUpDown.Value);
titleTextBox.Text = "";
descriptionTextBox.Text = "";
publisherTextBox.Text = "";
releaseDateMaskedTextBox.Text = "";
ratingTextBox.Text = "";
priceMaskedTextBox.Text = "";
numberOfCopiesUpDown.Value = 0;
}
public void updateGame(Game obj)
{
try
{
database = new OleDbConnection(connectionString);
database.Open();
string queryString = "UPDATE Game " +
"SET Title = '" +obj.Title+ "', Description = '" +obj.Description+
"', Publisher = '" +obj.Publisher+ "', ReleaseDate = '" +obj.ReleaseDate+
"', Rating = '" +obj.Rating+ "', PurchasePrice = " +obj.Price+
", Copies = " +obj.Copies+
" WHERE ID = " +obj.Id;
OleDbCommand cmd = new OleDbCommand(queryString, database);
count = cmd.ExecuteNonQuery();
if (count >= 1)
MessageBox.Show(obj.Title + "'s record has been updated!");
else
MessageBox.Show("Error: No game by that title!");
database.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
database.Close();
}
}
public List<Game> searchGame(string name)
{
gameList.Clear();
try
{
database = new OleDbConnection(connectionString);
database.Open();
string queryString = "SELECT * FROM Game Where Title LIKE ('%" +name+ "%')";
OleDbCommand cmd = new OleDbCommand(queryString, database);
reader = cmd.ExecuteReader();
while (reader.Read())
{
Game temp = new Game();
temp.Id =(Int32) reader["ID"];
temp.Title = reader["Title"].ToString();
temp.Description = reader["Description"].ToString();
temp.Publisher = reader["Publisher"].ToString();
temp.ReleaseDate = reader["ReleaseDate"].ToString();
temp.Rating = reader["Rating"].ToString();
temp.Price =(double) reader["PurchasePrice"];
temp.Copies =(Int32) reader["Copies"];
gameList.Add(temp);
}
reader.Close();
database.Close();
return gameList;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
gameList.Clear();
reader.Close();
database.Close();
return gameList;
}
}
