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force to make a selection in a dropdown from button

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Posted on by Community Power Pla... Microsoft Employee

On my form i have a dropdown box "Topics_Input"

Its default value is "<Select Drop Down>"

Button "btn_Submit"

When a user clicks on a button before submitting other code.

I need to check this dropdown. If no Selection has been made, I need to stop the code ?

This is what I have so far on the button "OnSelect"

UpdateContext({ visible: true });

Thanks

Dave

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Building Power Apps

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KrishnaV 5,023 on at

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Hi @Anonymous ,

Try this:

if(IsBlank(dropdown.selected.value) || dropdown.selected.value="Select Drop Down", Updatecontext({varShowSubmit:false}),Updatecontext({varShowSubmit:true})
Now you set the variable to visible property of the button:
property visible: varShowSubmit

I hope this resolved your issue if you see any challenge/need further help please let me know I am always happy to do it for my community.

Regards,
Krishna
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Community Power Pla... Microsoft Employee on at

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does not like the = sign

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Community Power Pla... Microsoft Employee on at

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got this to work.
If(IsBlank(Topics_Input.Selected.Result) || Subtopic_Input.Selected.Result ="<Select Drop Down>", UpdateContext({visible:false}),UpdateContext({visible:true}))

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