<input type="number" name="number1" id="number1" class="form-control" placeholder="@String.Format(Labels.numberX, "1")" min="-2147483648" max="2147483647" ng-model="currentGuest.number1" />The problem here is if I delete the number from the control, it becomes a NULL value. Is there a simple way to fix the problem so when user is clearing the field, the number still remains 0? Should I try adding {get set} methods for these numbers in the ViewModel?