public bool updateSetting(Setting setting)
{
MySqlConnection cnn = DBUtility.getConnection();
if (cnn != null)
{
cnn.Open();
try
{
const string SQL = @"UPDATE settings SET title = @title , value=@value WHERE settingid = @settingid";
MySqlCommand command = new MySqlCommand(SQL, cnn);
command.Prepare();
command.Parameters.AddWithValue("@title", setting.Title);
command.Parameters.AddWithValue("@value", setting.Value);
command.Parameters.AddWithValue("@settingid", setting.Settingid);
if (command.ExecuteNonQuery() > 0)
{
return true;
}
}
catch (MySqlException e)
{
Console.WriteLine(e);
}
finally
{
cnn.Close();
}
}
return false;
}
public bool addSetting(Setting setting)
{
MySqlConnection cnn = DBUtility.getConnection();
cnn.Open();
if (cnn != null)
{
MySqlTransaction transaction = cnn.BeginTransaction();
try
{
const string SQL = @"INSERT INTO settings (title,value) VALUES(@title,@value)";
MySqlCommand command = new MySqlCommand(SQL, cnn);
command.Prepare();
command.Parameters.AddWithValue("@title", setting.Title);
command.Parameters.AddWithValue("@value", setting.Value);
transaction.Commit();
if (command.ExecuteNonQuery() > 0)
{
return true;
}
}
catch (MySqlException e)
{
Console.WriteLine(e);
transaction.Rollback();
}
finally
{
cnn.Close();
}
}
return false;
}
public Setting getSetting(int productid)
{
MySqlConnection cnn = DBUtility.getConnection();
cnn.Open();
if (cnn != null)
{
try
{
const string SQL = "SELECT settingid, title , value FROM settings WHERE productid=@productid;";
MySqlCommand command = new MySqlCommand(SQL, cnn);
command.Prepare();
command.Parameters.AddWithValue("@productid", productid);
MySqlDataReader reader = command.ExecuteReader();
Setting setting = null;
while (reader.Read())
{
setting = new Setting();
setting.Settingid = reader.GetInt16("settingid");
setting.Title = reader.GetString("title");
setting.Value = reader.GetString("value");
}
return setting;
}
catch (MySqlException e)
{
Console.WriteLine(e);
}
finally
{
cnn.Close();
}
}
return null;
}
public ArrayList getAllSetting()
{
MySqlConnection cnn = DBUtility.getConnection();
cnn.Open();
if (cnn != null)
{
try
{
const string SQL = "SELECT settingid, title , value FROM settings;";
MySqlCommand command = new MySqlCommand(SQL, cnn);
MySqlDataReader reader = command.ExecuteReader();
ArrayList settings = new ArrayList();
Setting setting = null;
while (reader.Read())
{
setting = new Setting();
setting.Settingid = reader.GetInt16("settingid");
setting.Title = reader.GetString("title");
setting.Value = reader.GetString("value");
settings.Add(setting);
}
return settings;
}
catch (MySqlException e)
{
Console.WriteLine(e);
}
finally
{
cnn.Close();
}
}
return null;
}
