sharepoint 2010 custom list batch update not yet solved

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C#

Visual-Studio

ListView

batch

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been looking for the answer for 4 days.

i wish some one here can help me pls.

i do a lot of research none of them works.

i know this is a know issue for sharepoint 2010.

tried the following
* installing sp2010.batchedit extension for sharepoint 2010 ( the batch edit button didn't show up)
* tried coding it in visual studio with c#. it only edits list created in sharepoint not in the custom list created from infopath.

please answer clearly i am new in sharepoint 2010.