Update UserDefNum04 dynamically from UserDefNum02 and UserDefNum03 in SalesEntries Form

update_userdef_field_in_sales_entries.js

function main()
{
	var obj = sc$Method.Parameters("dataObject");
	var prop = sc$Method.Parameters("propertyName");
	var newVal = sc$Method.Parameters("value");
	var oldVal = sc$Method.Parameters("oldValue");
	
	
	if (obj.ToString() === "Hercules.Obj.INF.EntriesDataObjects.ComEntries.heCentLinesDataObject" && sc$AppSessionInfo.CurrentCompanyID === "afcd0e41-43c8-e611-80db-1402ec64c7fc")
	{
		if ((obj.UserDefNum02 != null || obj.UserDefNum02 >= 0 || obj.UserDefNum03 != null || obj.UserDefNum03 >= 0) && (oldVal != newVal))
		{
			switch (prop)
			{
				case "UserDefNum02":
					obj.UserDefNum04 = Convert.ToDecimal(obj.UserDefNum02 * obj.UserDefNum03);					
					break;
				case "UserDefNum03":
					obj.UserDefNum04 = Convert.ToDecimal(obj.UserDefNum02 * obj.UserDefNum03);
					break;
				default:
					break;
			}
		}
	}
}