public Boolean AlreadyInDatabase(String movie)
{
// Method to check to see if movie title is already in the database
Boolean inDatabase = false;
string connectionString = MovieManagerApplication.GetConnectionString();
string sqlCommand = "SELECT Id, Title, Year , Director, Genre, RottenTomatoesScore, TotalEarned FROM Movies " + "WHERE Title = @Title";
string searchValue = movie;
try
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(sqlCommand, connection))
{
command.Parameters.Add("Title", SqlDbType.VarChar, 50).Value = searchValue;
connection.Open();
using (SqlDataReader reader = command.ExecuteReader())
{
if (reader.Read())
{
inDatabase = true;
}
}
connection.Close();
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Database conection failed. Error {ex.Message}");
}
return(inDatabase);
}
private void ButtonDelete_Click_1(object sender, EventArgs e)
{
// Messagebox to ensure user is correctly deleting item
var userClose = MessageBox.Show("Are you sure you want to delete this entry from the database?", "Delete Entry?", MessageBoxButtons.YesNo);
if (userClose == DialogResult.Yes)
// User input validtion for values of form
{
bool ifValid = false;
if (textBoxMovieTitle.Text != deleteMovie.Title)
{
MessageBox.Show("You cannot change the name of the movie you want to delete. Please change it back.");
}
else
{
ifValid = true;
}
if (ifValid)
{
// Connecting to SQL database to delete entry
string connectionString = MovieManagerApplication.GetConnectionString();
string sqlCommand = "DELETE FROM Movies " + "WHERE Id = @Id";
try
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(sqlCommand, connection))
{
command.Parameters.Add("Id", SqlDbType.Int).Value = deleteMovie.Id;
connection.Open();
command.ExecuteNonQuery();
connection.Close();
MessageBox.Show("Database has been updated");
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Database conection failed. Error {ex.Message}");
}
deleteMovie.ClearMovieEntry();
ClearFields();
ButtonDelete.Enabled = false;
}
}
}
private Boolean AlreadyInDatabase(String movie)
{
// Method to check if user entry already exists in database
Boolean inDatabase = false;
MovieEntry updateEntryCheck = new MovieEntry();
string connectionString = MovieManagerApplication.GetConnectionString();
string sqlCommand = "SELECT Id, Title FROM Movies " + "WHERE Title = @Title";
string searchValue = movie;
try
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(sqlCommand, connection))
{
command.Parameters.Add("Title", SqlDbType.VarChar, 50).Value = searchValue;
connection.Open();
using (SqlDataReader reader = command.ExecuteReader())
{
reader.Read();
updateEntryCheck.Id = reader.GetInt32(0);
if (updateEntryCheck.Id != updateMovieEntry.Id)
{
inDatabase = true;
}
}
connection.Close();
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Database conection failed. Error {ex.Message}");
}
return(inDatabase);
}
private void ButtonFind_Click_1(object sender, EventArgs e)
{
// Connecting to SQL database to read in values from user search
string connectionString = MovieManagerApplication.GetConnectionString();
string sqlCommand = "SELECT Id, Title, Year , Director, Genre, RottenTomatoesScore, TotalEarned FROM Movies " + "WHERE Title = @Title";
string[] movieGenres = { "null", "Animation", "Action", "Comedy", "Drama", "Horror", "Mystery", "Romance", "Science Fiction", "Western" };
string searchValue = textBoxMovieTitle.Text;
try
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(sqlCommand, connection))
{
command.Parameters.Add("Title", SqlDbType.VarChar, 50).Value = searchValue;
connection.Open();
using (SqlDataReader reader = command.ExecuteReader())
{
if (reader.Read())
{
updateMovieEntry.Id = reader.GetInt32(0);
updateMovieEntry.Title = reader.GetString(1);
updateMovieEntry.Year = reader.GetInt32(2);
updateMovieEntry.Director = reader.GetString(3);
if (reader.GetInt32(4) > 0 && reader.GetInt32(4) < 9)
{
int genreValue = reader.GetInt32(4);
updateMovieEntry.Genre = movieGenres[genreValue];
}
if (!reader.IsDBNull(5))
{
updateMovieEntry.RottenTomatoesScore = reader.GetInt32(5);
}
if (!reader.IsDBNull(6))
{
updateMovieEntry.TotalEarned = reader.GetDecimal(6);
}
textBoxYear.Enabled = true;
textBoxDirector.Enabled = true;
textBoxRTScore.Enabled = true;
textBoxEarnings.Enabled = true;
comboBoxGenre.Enabled = true;
ButtonUpdate.Enabled = true;
}
else
{
MessageBox.Show("Your movie was not found in the database.");
}
}
connection.Close();
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Database conection failed. Error {ex.Message}");
}
// Output of values to form
textBoxMovieTitle.Text = updateMovieEntry.Title;
textBoxYear.Text = updateMovieEntry.Year.ToString();
textBoxDirector.Text = updateMovieEntry.Director;
comboBoxGenre.Text = updateMovieEntry.Genre;
textBoxRTScore.Text = updateMovieEntry.RottenTomatoesScore.ToString();
textBoxEarnings.Text = updateMovieEntry.TotalEarned.ToString();
}