Import csv file and upload it

[mmj]

I am trying to import csv file to wordpress using database.the files are uploaded in database but its not coming in wordpress .

The code is as below:

<?php

 

 

if(isset($_POST['submit']))

 

{

 

 

 

 

$fname=$_FILES["file"]["name"];

$datetime=$_FILES["file"][""];

 

  $chk_ext = explode(".",$fname);

if(strtolower(($chk_ext[1]) == "csv"))

 

        {

 

      $filename = $_FILES['file']['tmp_name'];

 

      $handle = fopen($filename, "r");

 

 

 

  while (($data = fgetcsv($handle, 1000, ",")) !== FALSE)

 

        {

 

         

 

$fname=addslashes($data[0]);

 

$datetime=addslashes($data[1]);

 

$products=addslashes($data[2]);

 

$preset=addslashes($data[3]);

 

$format=addslashes($data[4]);

 

 

 

 

 

$sql = "INSERT into ".$wpdb->prefix ."facebook(filename,datetime,products,preset,format) values('$fname','$datetime','$products','$preset','$format')";

 

 

 

            mysql_query($sql) or die(mysql_error());

 

        }

 

   

 

        fclose($handle);

 

        echo "Successfully Imported";

 

    }

 

    else

 

    {

 

        echo "Invalid File";

 

    } 

 

}

?>

 

<form enctype="multipart/form-data" action="" method="post" name="uploadDetails">

<table cellpadding="4" cellspacing="0" border="1">

<tr>

<td><label for="upload_a_file">Upload File:</label></td>

<td><input type="file" name="file" id="upload_a_file" /></td>

</tr>

<tr>

 

</tr>

</table>

<input type="hidden" name="fd_upload" value="1" />

<input type="submit" value="Submit" class="allbutton" name="submit" />

</form>

Hope you will help me