[Typo3] Cannot edit records

[Parul]

Hi,
As told , i unchecked the exclude checkbox in the kickstarter and reinstalled the extension. But i am still not able to edit records( no fileds are displayed when i click on the pencil icon against a record ,after doing Web>>List).

Alternatively , i have also tried editing the file tca.php by modifying $TCA as 
$TCA["tx_testing_testing"] = Array (
 "ctrl" => $TCA["tx_testing_testing"]["ctrl"],
 "interface" => Array (
  "showRecordFieldList" => "abcd"
 ),
 "feInterface" => $TCA["tx_testing_testing"]["feInterface"],
 "columns" => Array (
  "abcd" => Array (  
   "exclude" => 0,  
   "label" => "LLL:EXT:testing/locallang_db.php:tx_testing_testing.abcd",  
   "config" => Array (
    "type" => "input", 
    "size" => "30",
   )
  ),
 ),
 "types" => Array (
  "0" => Array("showitem" => "abcd;;;;1-1-1")
 ),
 "palettes" => Array (
  "1" => Array("showitem" => "")
 )
);
But this also does not work. Any help??

Parul Misra