update references.

QueueSys/frmEmployeeView.cs

@@ -11,10 +11,17 @@ using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
-/* References */
+/* References 
+ * https://www.youtube.com/watch?v=ayp3tHEkRc0
+ * https://www.coderslexicon.com/passing-data-between-forms-using-delegates-and-events/
+ * https://dapper-tutorial.net/parameter-anonymous
+ * https://www.sqlitetutorial.net/sqlite-foreign-key/
+ * https://stackoverflow.com/questions/289680/difference-between-2-dates-in-sqlite
+  */
 // Using a delegate to trigger method on the customer view form
 // https://www.coderslexicon.com/passing-data-between-forms-using-delegates-and-events/
 
+
 namespace QueueSys
 {
     public partial class frmEmployeeView : Form