Load lookup fields based on dropdown list value in Infopath

I have 2 lists TestInfopath and TestMultiList

TestMultilist is having 2 fields - Title and GroupName Title of TestMultilist is lookup in TestInfoPath and is shown as Multicheckboxes on infopath form that I have created.

I have created a dropdown list which populate data from GroupName field of TestMultilist and on selecting dropdown value, I need to show the lookup(Title in TestMultilist) corresponding to selected group only in Infopath form of TestInfopath. How can I achieve this? I am new to Infopath.

Solution

You can follow the steps in the following link to show the lookup corresponding to selected group:

How to populate values in text box depending upon the values of Drop down list in Infopath 2010?

And also some related links for you:

INFOPATH – QUERY SPECIFIC SHAREPOINT LIST DATA

Get InfoPath to display lookup column value, not ID

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