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ianallen13V2
Helper III
Helper III

Making three fields required in a canvas app using if statements

Hello, 

 

I am trying to enable my submit button's display mode depending on the values of three fields.  My three fields in my canvas app are: 

 

Case_Number (text input)

Sessions (Drop Down)

Reviews (Drop Down).

 

I basically want to have something that states that if Case_Number is blank and both Sessions & Review Drop Downs Start with "Please Select...", then displaymode.Disabled.  But if they are then entered / selected - to make it displaymode.edit.  

 

How do I write something like that simply?

20 REPLIES 20
WarrenBelz
Most Valuable Professional
Most Valuable Professional

@ianallen13V2 ,

Excel . . . that would have been good to know at the start (I should have asked). What is the field name you are displaying in the Combo Boxes ?

ianallen13
Helper V
Helper V

No worries.  

 

My Sessions drop down field is called: CU_Session_Eval

 

My Quarterly Review drop down field is called: CU_Quarterly_Review_Eval

 

My Case Number field (just a text input) is called: Case_Number_Eval 

 

Clever names, right?  

 

 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@ianallen13 ,

On that basis, this should be what is required

If(
   Len(Case_Number.Text) = 0 ||
   Sessions.Selected.CU_Session_Eval = "Please Select ..." ||
   Reviews.Selected.CU_Quarterly_Review_Eval = "Please Select ...",
   DisplayMode.Disabled,
   DisplayMode.Edit
)

 

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.

Visit my blog Practical Power Apps

 

Hi @WarrenBelz 

 

This one didn't seem to work exactly.  I just want to clarify some of the items, as I think it may be on me for any confusion.  

 

Case_Number_Eval -> this is a text input field

 

CU_Sessions_Eval -> this is the drop down field.

'CU Sessions' - this is the excel table for this list. 

 

CU_Quality_Review_Eval -> this is the drop down field.

'CU Quality Reviews' - this is the excel table for this list. 

 

Based on this, when I try to write what you provided, it will not let me enter it. This is what it looks like below. 

 

ianallen13_0-1668716034458.png

Thank you again for your continued effort!! 

 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @ianallen13 ,

This is really basic control references - all you need is the valid output of the controls, so if you type in

CU_Session_Eval.Selected.

what comes up underneath ?

 

ianallen13
Helper V
Helper V

Hi @WarrenBelz 

 

Thank you for the reply.  I have added what pops up underneath for both of this, which is the names of the excel tables and it looks good - however - just like last time, when I save it and try it out.  As soon as I enter one digit in the case number field, the submit button becomes enabled.  Need it where it's all three.  

 

ianallen13_1-1668718395741.png

 

 

Sorry to frustrate - not trying to.  Just really scratching my head as to what is missing.

 

But I appreciate your help. 

 

 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@ianallen13 ,

No frustration on my part, but this blog of mine may be worth reading - it may save you some frustration in the future. Are you sure you  have the Please Select  . . . exactly as it is in the drop-downs ? How about this

If(
   Len(Case_Number.Text) = 0 ||
   StartsWith(
      Sessions.Selected.'CU Sessions',
      "Please"
   ) ||
   StartsWith(
      Reviews.Selected.'CU Quarterly Reviews',
      "Please"
   ),
   DisplayMode.Disabled,
   DisplayMode.Edit
)

 

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.

Visit my blog Practical Power Apps

Thank you @WarrenBelz - appreciate it.

 

Doesn't look like it liked that one either:

 

ianallen13_0-1668782645947.png

The error it gave was: "Invalid number of arguments: received 5, expected 2."

 

Apologies - I had the equals signs in there where you did not.  This worked perfectly!!

 

ianallen13_1-1668782934731.png

 

ianallen13
Helper V
Helper V

Also don't see where it says 'Accept as solution' 

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