public void CreateMethod()
{
//If any of the properties are null, there was a problem loading the variables
if (ClassName == null && DateDue == null && Importance == null)
{
throw new InvalidOperationException($"{nameof(ClassName)}, {nameof(DateDue)} or {nameof(Importance)} is null");
}
DateTime formatDateDue;
try
{
//Convert the date String into type DateTime
formatDateDue = DateTime.Parse(DateDue);
}
catch (Exception ex)
{
//String was in a incorrect format
throw new FormatException("The Date Due was in a bad format", ex);
}
//Retrieves the letter from the end of the Course, this determines which semester the class is in
var charArray = ClassName.ToArray();
var getSemester = charArray.Last();
string semester;
switch (getSemester)
{
case 'a':
semester = "1st";
break;
case 'b':
semester = "2nd";
break;
default:
semester = "NA";
break;
}
var addClass = new DueItem()
{
Class = ClassName,
Semester = semester,
Date_Due = formatDateDue,
Importance = Importance,
Description = Description
};
using (databaseConnection = new CoursesEntities1())
{
databaseConnection.DueItems.Add(addClass);
databaseConnection.SaveChanges();
}
Refresh();
}