can you post an example what are you trying to achieve and configuration of lookup control?

it sounds to me you mention two problems - 1st one how to apply filter by a list view  and 2nd one hoe to apply multiple filters.

Find the below screen shot . 

what form version are on?

there were addressed several issues with filtering by source view in recent releases, especially if used together with filtering by value/control.

see release notes  

See the version details

moreless the same with NF2010   Nintex Forms 2010 - Release Notes 

eg.

1.11.3.0: Validated an issue where views on a Lookup control may not filter. Fixed in a previous release. (84914)

1.11.2.0: Fixed an issue where a value in a List Lookup may not display when the selected item is not within the filtered source view (0)

As  we are using  version 1.6.0.0 , how to fix this issue . I have to use java script to populate list Lookup control . 

How to fix this issue? Please suggest ?  

manipulating lookup's content with a javascript is a no way to go.

two possible workarounds come to my mind

- create a calculated column on the list out of all fields that you need to filter on. then in form compile a value that will filter items by that calculated column

- build a cascade of dropdowns which allow users to create step by step a filter similar to one you have modeled in view.

In my scenario there are three levels , Based on A ,B should be filtered and based on B, C should be filtered with Status is equal to Active ( 2 Conditions for display C - filter based on B and status is equal to Active).

create a calculated column on the list out of all fields that you need to filter on. then in form compile a value that will filter items by that calculated column-Could you please guide me  - how to implement the below approach . 

build a cascade of dropdowns which allow users to create step by step a filter similar to one you have modeled in view.--  This is the second  approach : This what we implemented now , what is the difference ? what I am missing.?

Thank you so much .

Could you please guide me  - how to implement the below approach

have a look eg.  on this thread - Nintex Forms - lookup with 2 filters 

to compile a value for the filter it uses javascript, but usually it's not necessary. simple calculated value control should be enough.

This is the second  approach : This what we implemented now , what is the difference ? what I am missing

currently with view filter you have defined one filter with 3 conditions, for each level one.

with cascading lookups you would let user first select a value for level1, then level2 list would be automatically filtered just to those items that belongs to selected level1. once a user selects a value from filtered level2 list, the same applies for level3, and so on for further levels if needed.

have a look on eg following examples

How to filter a look up column in nintex forms 

if you searched the forum I believe you would find several good examples for both appraches.

Hi, ‌,

did this help? if so could you select  a correct answer?

#BRGview

I have a follow up question for this.  I have created my cascading dropdowns and they are working.  The users want to auto-populate if there is only one choice on dropdown 2 and dropdown 3.  Is this possible and how?

Column 1 has multiple choices

Column 2 has only one choice - auto select this choice

Column 3 has only one choice - auto select this choice

there is no OOTB way, you'd need to write a script that sets looku control value

see eg. https://community.nintex.com/message/78584-re-set-list-lookup-value-using-javascript?commentID=78584#comment-78584