private void ChangeViolatorsCars_Click(object sender, RoutedEventArgs e)
{
ChangeViolatorsCars changeViolarorsCars = new ChangeViolatorsCars();
changeViolarorsCars.Show();
this.Close();
}
private void SaveChanges(object sender, RoutedEventArgs e)
{
if (criterion.Text != string.Empty && searchCriterion.Text != string.Empty)
{
if (criterion.Text == "Марка автомобиля")
{
if (changingCriterion.Text != CheckCar.CheckCarModel(changingCriterion.Text))
{
MessageBox.Show(CheckCar.CheckCarModel(changingCriterion.Text));
return;
}
string query = @"SELECT CarModelCode FROM CarModel WHERE CarModelName = '" + changingCriterion.Text + "'";
int carModelCode = 0;
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
if (sqlDataReader.HasRows)
{
while (sqlDataReader.Read())
{
carModelCode = Convert.ToInt32(sqlDataReader[0].ToString());
}
}
else
{
MessageBox.Show("Такой марки автомобиля нет в базе.");
return;
}
sqlDataReader.Close();
sqlConnection.Close();
using (SqlConnection updateCarModel = new SqlConnection(connectionString))
using (SqlCommand lastCommnd = updateCarModel.CreateCommand())
{
lastCommnd.CommandText = "UPDATE ViolatorCar SET CarModelCode = @carModel WHERE CarCode = @code";
lastCommnd.Parameters.AddWithValue("@carModel", carModelCode);
lastCommnd.Parameters.AddWithValue("@code", Convert.ToInt32(searchCriterion.Text));
updateCarModel.Open();
lastCommnd.ExecuteNonQuery();
updateCarModel.Close();
}
}
else if (criterion.Text == "Цвет автомобиля")
{
if (changingCriterion.Text != CheckCar.CheckCarColor(changingCriterion.Text))
{
MessageBox.Show(CheckCar.CheckCarColor(changingCriterion.Text));
return;
}
string query = @"SELECT ColorCode FROM Color WHERE ColorName = '" + changingCriterion.Text + "'";
int colorCode = 0;
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
if (sqlDataReader.HasRows)
{
while (sqlDataReader.Read())
{
colorCode = Convert.ToInt32(sqlDataReader[0].ToString());
}
}
else
{
MessageBox.Show("Такого цвета нет в базе.");
return;
}
sqlDataReader.Close();
sqlConnection.Close();
using (SqlConnection updateColor = new SqlConnection(connectionString))
using (SqlCommand lastCommnd = updateColor.CreateCommand())
{
lastCommnd.CommandText = "UPDATE ViolatorCar SET ColorCode = @color WHERE CarCode = @code";
lastCommnd.Parameters.AddWithValue("@color", colorCode);
lastCommnd.Parameters.AddWithValue("@code", Convert.ToInt32(searchCriterion.Text));
updateColor.Open();
lastCommnd.ExecuteNonQuery();
updateColor.Close();
}
}
else if (criterion.Text == "Номер автомобиля")
{
if (changingCriterion.Text != CheckCar.CheckCarStateNumber(changingCriterion.Text))
{
MessageBox.Show(CheckCar.CheckCarStateNumber(changingCriterion.Text));
return;
}
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
string findReplays = "SELECT CarCode FROM ViolatorCar WHERE CarStatetNumber = '" + changingCriterion.Text + "'";
SqlCommand sqlCommand3 = new SqlCommand(findReplays, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand3.ExecuteReader();
if (sqlDataReader.HasRows)
{
MessageBox.Show("Вы ввели уже занятый номер автомобиля.");
return;
}
else
{
using (SqlConnection updateStateNumber = new SqlConnection(connectionString))
using (SqlCommand lastCommnd = updateStateNumber.CreateCommand())
{
lastCommnd.CommandText = "UPDATE ViolatorCar SET CarStatetNumber = @number WHERE CarCode = @code";
lastCommnd.Parameters.AddWithValue("@number", changingCriterion.Text);
lastCommnd.Parameters.AddWithValue("@code", Convert.ToInt32(searchCriterion.Text));
updateStateNumber.Open();
lastCommnd.ExecuteNonQuery();
updateStateNumber.Close();
}
}
sqlConnection.Close();
}
else if (criterion.Text == "Код владельца")
{
if (changingCriterion.Text == string.Empty)
{
MessageBox.Show("Вы не указали код нарушителя.");
}
else
{
char[] violatorCodeArray = changingCriterion.Text.ToCharArray();
for (int i = 0; i < violatorCodeArray.Length; i++)
{
if (!char.IsDigit(violatorCodeArray[i]))
{
MessageBox.Show("Вы указали в коде недопустимые символы.");
return;
}
}
}
string query = @"SELECT ViolatorCode FROM Violator WHERE ViolatorCode = '" + changingCriterion.Text + "'";
int violatorCode = 0;
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
if (sqlDataReader.HasRows)
{
while (sqlDataReader.Read())
{
violatorCode = Convert.ToInt32(sqlDataReader[0].ToString());
}
}
else
{
MessageBoxResult meboxResult = MessageBox.Show("Такого нарушителя нет в списке. Можете добавить нового нарушителя.", "Предупреждение", MessageBoxButton.YesNo);
if (meboxResult == MessageBoxResult.Yes)
{
AddViolator addViolator = new AddViolator();
addViolator.Show();
this.Close();
}
return;
}
sqlDataReader.Close();
sqlConnection.Close();
using (SqlConnection updateViolatorCode = new SqlConnection(connectionString))
using (SqlCommand lastCommnd = updateViolatorCode.CreateCommand())
{
lastCommnd.CommandText = "UPDATE ViolatorCar SET ViolatorCode = @violatorCode WHERE CarCode = @code";
lastCommnd.Parameters.AddWithValue("@code", Convert.ToInt32(searchCriterion.Text));
lastCommnd.Parameters.AddWithValue("@violatorCode", violatorCode);
updateViolatorCode.Open();
lastCommnd.ExecuteNonQuery();
updateViolatorCode.Close();
}
}
}
else
{
MessageBox.Show("Вы не выбрали данные для изменения.");
return;
}
MessageBoxResult mboxResult = MessageBox.Show("Данные обновлены. Желаете изменить что-нибудь еще?", "Предупреждение", MessageBoxButton.YesNo);
if (mboxResult == MessageBoxResult.No)
{
ChangeViolatorsCars changeViolarorsCars = new ChangeViolatorsCars();
changeViolarorsCars.Show();
this.Close();
}
}
