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Multiple Combination of If Statements

Hi Power Apps community, 

 

I am upgrading my app for more efficiency.  The problem is that there are employees that cannot go on vacation the same date. If an employee request a vacation date that has already been chosen by a specific employee, it needs to notify the employee. The rule is not applicable for ALL employees.  I have insert my code in the OnSelect function of my DatePicker. My code works well, but if I select 2 employees that CAN go on vacation the same date, it will also display the error message. I have also tried my If statement with And instead of Or, but it keeps displaying the error message when it doesn't have to.

Collect(MyVacation,VacationRequest);
If(Or(Value(txtEmpID.Text) = 4 && (CountRows(Filter(MyVacation, EmployeeID = 3))>0 && (CountRows(Filter(MyVacation, StartDate = FilterDatePicker.SelectedDate))>0))), Notify("Someone in your department has already choose this date for leave. Please select an other date", NotificationType.Error, 4000),
(Value(txtEmpID.Text) = 5 && (CountRows(Filter(MyVacation, EmployeeID = 6))>0 && (CountRows(Filter(MyVacation, StartDate = FilterDatePicker.SelectedDate))>0))), Notify("Someone in your department has already choose this date for leave. Please select an other date", NotificationType.Error,4000),
(Value(txtEmpID.Text) = 6 && (CountRows(Filter(MyVacation, EmployeeID = 5))>0 && (CountRows(Filter(MyVacation, StartDate = FilterDatePicker.SelectedDate))>0))), Notify("Someone in your department has already choose this date for leave. Please select an other date", NotificationType.Error,4000))

 

Can someone help me with my code?

1 ACCEPTED SOLUTION

Accepted Solutions
WarrenBelz
Most Valuable Professional
Most Valuable Professional

Thanks @JB0007 ,

It is always better spending my time analyzing code logic rather than trying to work out all the brackets and commas.

So, firstly, you have some brackets you do not need (although they will not affect the formula), but I see a fundamental flaw in your logic as the CountRows() are independent of each other - they are simply saying that (for the first one) if EmployeeID 4 is in the text box, then EmployeeID 3 might have some vacation somewhere in the list AND someone might have vacation on that day.

ClearCollect(
    MyVacation,
    VacationRequest
);
If(
   Value(txtEmpID.Text) = 4 &&
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 3
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);
If(
   Value(txtEmpID.Text) = 5 && 
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 6
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);
If(
   Value(txtEmpID.Text) = 6 && 
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 5
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);

I will do the first one here

If(
   Value(txtEmpID.Text) = 4 &&
   !IsBlank(
      Lookup(
         MyVacation,
         EmployeeID = 3 && 
         StartDate = FilterDatePicker.SelectedDate,
         EmployeeID
      )
   ),
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);

I am still a little confused over your logic with the EmployeeID, however the code above should return the result you require based on what you have input.

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

 

View solution in original post

7 REPLIES 7
WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @JB0007 ,

Can you please use Format Text and post this in a code box - </> icon above

Hi @WarrenBelz , thank you so much for the reply. I have formatted the code as you requested.

<Collect(
       MyVacation,
       VacationRequest
);

If(
      Value(txtEmpID.Text) = 4 && (CountRows(
      Filter(
         MyVacation,
         EmployeeID = 3
      )
      ) > 0 && (CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
      ) > 0)),
      Notify(
         "Someone in your department has already choose this date for leave. Please select an other date",
         NotificationType.Error,
         4000
)
);
If(
      Value(txtEmpID.Text) = 5 && (CountRows(
      Filter(
         MyVacation,
         EmployeeID = 6
      )
      ) > 0 && (CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
      ) > 0)),
      Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
)
);
If(
      Value(txtEmpID.Text) = 6 && (CountRows(
      Filter(
         MyVacation,
         EmployeeID = 5
      )
      ) > 0 && (CountRows(
    Filter(
        MyVacation,
        StartDate = FilterDatePicker.SelectedDate
    )
    ) > 0)),
    Notify(
    "Someone in your department has already choose this date for leave. Please select an other date",
     NotificationType.Error,
     4000
)
);>

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@JB0007 ,

Can you please put this in a code box so all the indents work - it is the </> icon above.

Also you have not used Format Text as there are still brackets on the right of code?

Collect(
    MyVacation,
    VacationRequest
);
If(
    Value(txtEmpID.Text) = 4 && (CountRows(
        Filter(
            MyVacation,
            EmployeeID = 3
        )
    ) > 0 && (CountRows(
        Filter(
            MyVacation,
            StartDate = FilterDatePicker.SelectedDate
        )
    ) > 0)),
    Notify(
        "Someone in your department has already choose this date for leave. Please select an other date",
        NotificationType.Error,
        4000
    )
);
If(
    Value(txtEmpID.Text) = 5 && (CountRows(
        Filter(
            MyVacation,
            EmployeeID = 6
        )
    ) > 0 && (CountRows(
        Filter(
            MyVacation,
            StartDate = FilterDatePicker.SelectedDate
        )
    ) > 0)),
    Notify(
        "Someone in your department has already choose this date for leave. Please select an other date",
        NotificationType.Error,
        4000
    )
);
If(
    Value(txtEmpID.Text) = 6 && (CountRows(
        Filter(
            MyVacation,
            EmployeeID = 5
        )
    ) > 0 && (CountRows(
        Filter(
            MyVacation,
            StartDate = FilterDatePicker.SelectedDate
        )
    ) > 0)),
    Notify(
        "Someone in your department has already choose this date for leave. Please select an other date",
        NotificationType.Error,
        4000
    )
);


Here you go @WarrenBelz , I didn't understand the first time (I'm new into Power Apps).

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Thanks @JB0007 ,

It is always better spending my time analyzing code logic rather than trying to work out all the brackets and commas.

So, firstly, you have some brackets you do not need (although they will not affect the formula), but I see a fundamental flaw in your logic as the CountRows() are independent of each other - they are simply saying that (for the first one) if EmployeeID 4 is in the text box, then EmployeeID 3 might have some vacation somewhere in the list AND someone might have vacation on that day.

ClearCollect(
    MyVacation,
    VacationRequest
);
If(
   Value(txtEmpID.Text) = 4 &&
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 3
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);
If(
   Value(txtEmpID.Text) = 5 && 
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 6
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);
If(
   Value(txtEmpID.Text) = 6 && 
   CountRows(
      Filter(
         MyVacation,
         EmployeeID = 5
      )
   ) > 0 && 
   CountRows(
      Filter(
         MyVacation,
         StartDate = FilterDatePicker.SelectedDate
      )
   ) > 0,
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);

I will do the first one here

If(
   Value(txtEmpID.Text) = 4 &&
   !IsBlank(
      Lookup(
         MyVacation,
         EmployeeID = 3 && 
         StartDate = FilterDatePicker.SelectedDate,
         EmployeeID
      )
   ),
   Notify(
      "Someone in your department has already choose this date for leave. Please select an other date",
      NotificationType.Error,
      4000
   )
);

I am still a little confused over your logic with the EmployeeID, however the code above should return the result you require based on what you have input.

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

 

Hi @WarrenBelz, I have tried your code and it works perfectly. I have used the EmployeeID because:
1. It is the value that I wanted the use to compare and look for other value.

2. It is easier than using for e.x. EmployeeName because I can type the name with an error.

 

Further, I want to ask you why did you put another EmployeeID after FilterDatepicker.SelectedDate?

If(
   Value(txtEmpID.Text) = 4 &&
   !IsBlank(
      Lookup(
         MyVacation,
         EmployeeID = 3 && 
         StartDate = FilterDatePicker.SelectedDate,
         EmployeeID
      )
   ),

 

Your answer could help me better understand what I am going to do next time for a similar project.


 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @JB0007 ,

That can actually be any field in the target data set (I just knew Employee ID would be there) - if in doubt, use ID.

It generally works without it, but the Lookup is then returning all fields in the first matching record, rather than a single field.

You would use the syntax without this to populate a form with a given record.

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