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arushi_chitran
Frequent Visitor

Navigate from one screen to another and open a particular tab as per the button clicked

Hi All,

 

This question is related to PowerApps.

 

Scenario: I have two screens. On screen 1 I have two buttons (Button1 and Button 2) and on the other screen, I have tabs (tabular buttons Tab1 and Tab2).

 

If the user clicks on button1, tab1 should open and if the user clicks on button2, tab 2 should open.

 

Please help me with this.

 

@powerapps @Dhruvin @RezaDorrani 

1 ACCEPTED SOLUTION

Accepted Solutions
Chris-D
Solution Sage
Solution Sage

You should remove the else clause from your If() statement. 

 

Consider this:

If(varbtn1="Moments App", varTabSelected=2, false)
If(varbtn1="Seconds App", varTabSelected=1, false)

// If varbtn1 = "Moments App", then varTabSelected = 2
// But then the second if statement changes this value back to false.

// You don't need the else clause because if the expression isn't true, we don't care
If(varbtn1="Moments App", varTabSelected=2)
If(varbtn1="Seconds App", varTabSelected=1)

 

If you add some text labels on the second screen, can you check the values of varbtn1 and varTabSelected are being set correctly? 

View solution in original post

9 REPLIES 9
Chris-D
Solution Sage
Solution Sage

Hi Arushi, 

 

You can pass a variable to the new screen in the 3rd parameter of the Navigate() function.

 

Navigate( AnotherScreen, Cover, { ShowTab: "Flowers"});

 

 

Then, in the OnVisible property of AnotherScreen, you check for this variable and set your tab:

 

If( ShowTab = "Flowers",
    ... your code to select the tab ...
);

 

 

Another way you could do this on AnotherScreen, if you are using containers to display the content for each tab, in the OnVisible property of each container check for the tab name. If you can use it this way then you do not need to use the OnVisible property of the new screen mentioned above.

ShowTab = "Flowers"

Hope this helps!

arushi_chitran
Frequent Visitor

Hey,

Thanks for the quick reply.

 

I have added below formula on OnVisible property:

If(varbtn1="Moments App", varTabSelected=2, false)

 

and on the first screen, on button, I have added the below formula:

Navigate('Executive Summary',ScreenTransition.Fade,{varbtn1:"Moments App"});

 

But it still not working.

Chris-D
Solution Sage
Solution Sage

You should remove the else clause from your If() statement. 

 

Consider this:

If(varbtn1="Moments App", varTabSelected=2, false)
If(varbtn1="Seconds App", varTabSelected=1, false)

// If varbtn1 = "Moments App", then varTabSelected = 2
// But then the second if statement changes this value back to false.

// You don't need the else clause because if the expression isn't true, we don't care
If(varbtn1="Moments App", varTabSelected=2)
If(varbtn1="Seconds App", varTabSelected=1)

 

If you add some text labels on the second screen, can you check the values of varbtn1 and varTabSelected are being set correctly? 

arushi_chitran
Frequent Visitor

hey, it's working now. Thank you so much. 🙂

 

You're welcome 🙂 

arushi_chitran
Frequent Visitor

Hey,

 

I just checked my app functionality.

 

Buttons from one screen to another are working fine ( as per the above formulas and logics) but when the user tries to click on the tabs instead of button, it is not working fine. Could you please help me with this.

Chris-D
Solution Sage
Solution Sage

Sure, could you show me the code you have in your OnVisible screen please? When you say the user 'clicks on the tabs', that is happening on the second screen? 

Hi,

 

Image below is of screen1.

Formula: On OnSelect = Navigate('screen1',ScreenTransition.Fade,{varTabSelected: 2});

arushi_chitran_0-1693976939089.png

 and on screen 2, tabs are there (image attached below)

OnVisible: If(varbtn1="App" || varTabSelected=2, varTabSelected=2);

arushi_chitran_1-1693978184010.png

 and OnsStart of the app, variable is set (shown below):

Set(varTabSelected, 1);
Set(varbtn1, "App");

 

There is a problem here between different variable types. 

 

Set() sets a global variable. 

Navigate( ..., ..., { MyVarHere}) creates a context variable.

 

Effectively you have 2 variables here with the same name and Power Apps will get confused about which to use. 

 

Personally I don't like using Set() or global variables because of my backgorund and I've not yet found a situation where they are necessary. 

 

Looking at your code, your App.OnStart and Screen2.OnVisible code look like they are designed to set a default tab for that screen? Is it possible at all to get to Screen2 without going through your buttons on Screen1? If it isn't then there's no need to set a default since this will always be passed along to Screen2. 

 

Assuming your tabs on Screen2 are buttons, all you should need to do is change varTabSelected when the user clicks, in the OnSelect property. But this variable must be a context variable so as not to cause confusion.

UpdateContext({ varTabSelected: 3});

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