Generalhttps://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)Re: Filter Sub Repeating Section based on Parent Repeating Section Fieldhttps://www.infopathdev.com:443/forums/thread/94611.aspxWed, 04 Dec 2013 13:18:13 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:94611moayadalsaleh0https://www.infopathdev.com:443/forums/thread/94611.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=94611Here is the Infopath Design AttachFilter Sub Repeating Section based on Parent Repeating Section Fieldhttps://www.infopathdev.com:443/forums/thread/94610.aspxWed, 04 Dec 2013 13:14:44 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:94610moayadalsaleh0https://www.infopathdev.com:443/forums/thread/94610.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=94610Dears, I'm working with Info-path 2013 , SharePoint 2013 Visual Studio 2012 in the Sharepoint i have the following: 1- 1 List called "Messages" which represent the users action 2- 1 Document Library "Attachments" which include all the attachments sent from the Approver when he/she submit assigned task 3- in the "Attachment" Library Lookup column defined and mapped to "Messages" List , when the user submit the task he/she can also upload multi attachments in the infopath i'm saving the attached documents in attachments library (so this means One to Many) 4- ok in the Infopath I'm showing all the Actions completed by the users in Repeating Table 5- please see attach1 File 6- in the Infopath i had created 2 DataConnection one for the Messages List and other for Attached Library 7- i Dragged and dropped the Messages Connection and choose Repeating Section and i changed the design as you can see in attach1 8- i Dragged and dropped Attachments Library in the body but inside the Repeating Section for the Messages Connection 9- you can the see the infopath design in Attach2 also the question is how can i filter the Attachment items in the second data connection based on the Task ID which is exist in the Attachments Library as Lookup column