public MultipleCategoriesCompare()
{
InitializeComponent();
MonthData = new Dictionary <string, Dictionary <DateTime, decimal> >();
_dataContext = new AccountingDataContext();
var generalCategoryHandler = new GeneralCategoryHandler(_dataContext);
_monthService = new MonthService(_dataContext);
CategoryNames = generalCategoryHandler.GetAllCategoryNames().ToList();
}
/// <summary>
/// Sets up the infrastructure and connects the controls on the form
/// with the properties when the form loads
/// </summary>
/// <param name="sender">Standard sender object</param>
/// <param name="e">Standard event arg object</param>
private void DataChartUI_Load(object sender, EventArgs e)
{
// Sets the end date property to the date now
EndDate = DateTime.Now;
// The standard start date is a year before the end date
StartDate = EndDate.Subtract(new TimeSpan(365, 0, 0, 0));
// Sets the display of the date time pickers to the value of the corresponding property
dtpStartMonth.Value = StartDate;
dtpEndMonth.Value = EndDate;
// Gets the category names
CategoryNames = _generalCategoryHandler.GetAllCategoryNames();
// Sets the data bindings of the controls -excluding the chart
SetupDataBindings();
// Gets the data for the current range selected
SetupDataSource();
// Connects the data to the chart
ShowDataOnChart();
}