Checkbox Did not reset on change of dropdown selection

[patels11]

Hello,

i have one Application where when user changes the dropdown items then Checkbox should be unchecked if checked. i have added formula as per below snap but not working.

Help appreciated.

Regards,

Sachin Patel

[365-Assist]

You need to use a variable to control the CheckBox default.

DropDown -> OnChange use this command

Set(varCheck,true)

Then in the checkbox default use this

If(varCheck=true,true,false)

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Darren Lutchner - 365 Assist

[patels11]

@365-Assist  Thanks for response.

actually there is one existing formula in Default of Checkbox property so how to use this variable control along with existing formula ?

If(varCheck=true,true,false)

[365-Assist]

Create a new label in the Gallery row  that will use your formula set the variable (varCheck) to true or false. 

if(!IsBlank(LookUp(ColSelected1,ID=ThisItem.ID))=true,set(varCheck,true),set(varCheck,false))

Hide the label the so the users don't see it.

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Regards
Darren Lutchner - 365 Assist

[v-jefferni]

Hi @patels11 ,

Could you please share more details about your scenario? Would you like to uncheck the Check box if the Dropdown within the same row of the Gallery being changed?

If so, you need to use a column in the Items of the Gallery to associate with the Check box and the Dropdown. So when Dropdown selected item being changed, it will update the column value to false and the Check box bounds to this column so it will uncheck. You cannot bound the Check box to a variable, since all Check boxes in the Gallery will uncheck if the variable is false.

Please clarify what formula is in the Items property of the Gallery and how did you create the collection colSelected.

Best regards,