// Add the user input from the text fields into the movie database
public void addToTable(TextBox addYear, TextBox addTitle, TextBox addDirector, MDatabase mD)
{
// Checks whether the field has been filled and whether the year text field was filled with an int type value
// If not then, a messagebox will appear telling user to fill all text fields with correct value type
// Int32.TryParse converts the string representation to its 32-bit signed interger equivalent
// If string entered can be converted (result = true) then the process continues if not, it will return the same messagebox from earlier
int num;
if (addYear.Text != "" && addTitle.Text != "" && addDirector.Text != "" && Int32.TryParse(addYear.Text, out num))
{
// Convert the year string into int so it can be used as the key value
int key = int.Parse(addYear.Text);
// If the year entered doesn't already exist in the Dictionary, then it will be added into it
// Else a messagebox will appear telling user the year entered already exists in the database
if (!mD.MovieTable.ContainsKey(key))
{
Movie temp = new Movie(int.Parse(addYear.Text), addTitle.Text, addDirector.Text);
mD.addMovies(temp);
}
else
{
MessageBox.Show("The year entered already exists in the database");
}
}
else
{
MessageBox.Show("Please fill out all of the year, title and director with the CORRECT value type to add movie");
}
}
