How to Add Data Connection and convert Data connection into UDC (Universal Data Connection ) file in InfoPath 2010 with SharePoint 2010.

Following Steps:- For Add New Data Connection:

1. Open InfoPath Designer 2010- Select "New" Tab- Select "Blank Form" then Click "Design".
2. Go to Data tab - Click "Data Connection" then Click Add.

3. One Pop window open then Select "Receive data" and then Next.
4. Then Select the source of your data like "SharePoint Library or List".
5.  Provide SharePoint Site Details http://Server-name/sites/site-name/.
6. Then Select list or libraray, then Next and Select Fields.
7. Then Next and finaly Ok.

Following Steps:- For Convert Data Connection into UDC File:

1. Open the Data Connection in Data Tab, then Select the Data connection file and click "Convert to connection File".

2. Provide Specify the URL of the New Data connection file in sharepoint(like Data Connection Library) (for example: http://server-name/sites/site-name/DataConnection/test.udcx)
3. And select the Relative to Site Collection in Collection link type.
4 Then Click Ok and Check in SharePoint Data Connection Library.