Hai Afonso Carvalho, Thanks for giving a solution but I worked it Reactive web I think you suggest an image for traditional so I didn't understand it clearly so please explain step by step .

He was asking if you could share the oml file of your Application, which would  help us to trace the issue quick.

sure brother

i will share

This is my OAP module file kindly check it

It is clear from your oml that you were assigning same Local variable Start Date to Both the Input Widgets, Which needs to be a separate variable

yes bro now that issues are cleared and again one issue bro please clarify to me that the issue image was attached

1. when I am choosing the end date 10-may-2022 it will show on the end date before dates, it's fine

2. supposed I choose the many of the date example day 9, day 8, day 7, it will be shown a 2 pointed area 

how can I clear the issues bro?

I expected an example image to is below this one.

please note to mark the previous post as a solution to your main query.

coming back to your latest(2.) point ,that block is appending the vale every time into that Expression, Use the OnParametersChanged Event of the block to resolve your Issue.
attached modified oml.

thanks for helping brother everything is working fine except for that block area I will try to clear that issue brother.

kindly remember to mark the working post as Solution, as it would help other community members find the solution post right away!!

Sure Brother, Once I Complete it successfully I will upload it and I will also explain it.

I was indicating about the main question you posted..the title of this whole page has already got an answer right..??

Yes Varada Rajan 

Hmm, So as a  Post creator..you will have an option to mark one of the reply as Solution,which you might be missing!!