ทำไม Search แล้วข้อมูลไม่ขึ้นมาเลยอะครับรบกวนหน่อยครับ

<form name="frmSearch" method="post" action="<?=$_SERVER['SCRIPT_NAME'];?>">
          <td style="text-align: right;">
            <div class="control-group">
                <div class="controls">              
                  <div class="input-append">
                       
        <select name="ddlSelect" id="ddlSelect">
         
          <option value="slideimage_id" <?if($_POST["ddlSelect"]=="slideimage_id"){echo"selected";}?>>เลือกเฉพาะหมายเลข</option>
          <option value="title" <?if($_POST["ddlSelect"]=="title"){echo"selected";}?>>ชื่อ</option>
          <option value="sys_status" <?if($_POST["ddlSelect"]=="sys_status")
                                     {
                                        echo"ทำงาน";
                                     }
                                     ?>
                                     >สถานะ</option>
        </select>
        Keyword
        <input name="txtKeyword" type="text" id="txtKeyword" value="<?php echo $_GET["txtKeyword"];?>">
      <input type="submit" value="Search"></th>
  
                
                   
                  </div>
                </div>
            </div>        
          </td> 

          </form>

         
        </tr>
      </tbody></table>
    </div>
</div>  
   <?php 
      include('connect.php');
   ini_set('display_errors', 1);
   error_reporting(~0);

  

    $sql = "SELECT * FROM slideimage";
    $query = mysqli_query($objCon,$sql);

    $num_rows = mysqli_num_rows($query);

    $per_page = 5;   // Per Page
    $page  = 1;
    
    if(isset($_GET["Page"]))
    {
        $page = $_GET["Page"];
    }

    $prev_page = $page-1;
    $next_page = $page+1;

    $row_start = (($per_page*$page)-$per_page);
    if($num_rows<=$per_page)
    {
        $num_pages =1;
    }
    else if(($num_rows % $per_page)==0)
    {
        $num_pages =($num_rows/$per_page) ;
    }
    else
    {
        $num_pages =($num_rows/$per_page)+1;
        $num_pages = (int)$num_pages;
    }
    $row_end = $per_page * $page;
    if($row_end > $num_rows)
    {
        $row_end = $num_rows;
    }


    $sql .= " ORDER BY slideimage_id ASC LIMIT $row_start ,$row_end ";
    $query = mysqli_query($objCon,$sql);

   

?>  
<?php
include('connect.php');
    $sql= "SELECT * FROM slideimage WHERE 1  ";
    if($_POST["ddlSelect"] != "" and  $_POST["txtKeyword"]  != '')
    {
      $sql.= " AND (".$_POST["ddlSelect"]." LIKE '%".$_POST["txtKeyword"]."%' ) ";
    }   


    $objQuery = mysqli_query($objCon$sql) or die ("Error Query [".$sql."]");
    ?>
   
        <div class=" bd-customhtml-13 bd-tagstyles bd-custom-image">
    <div class="bd-container-inner">
        <div class="table-responsive">
     
     <table class="table table-bordered table-striped" id="sortable1">
          <thead>
   
            <tr>
              <th width="1" style="text-align: center;"><input type="checkbox" onclick="$('input[name*=\'selected\']').attr('checked', this.checked);"></th>
              <th class="width_no">ลำดับ</th>
              <th class="width_image">ภาพ</th>
              <th class="left">                <a href="">หัวข้อ</a>
                </th>
              <th class="width_status">                <a href="">สถานะ</a>
                </th>
              <th class="width_action">การกระทำ</th>
          <th class="width_ordering">ลำดับการแสดง</th>
            </tr>
          </thead>
        
    <?php
    $Row =1;
    while($)

    while($objResult = mysqli_fetch_array($query,MYSQLI_ASSOC))
    {
    ?>
                            <tr id="item_id_32">    
              <td style="text-align: center;">                <input type="checkbox" name="selected[]" value="32">
                </td>
              <td class="width_no"><?php echo $Row;?></td>
              <td class="width_image"><a href=""><img src="HomeSlideTh/InsertHomeSlide/home/r/<?php echo $objResult["image"];?>" alt="Banner 2" style="padding: 1px; border: 1px solid #DDDDDD;" border="0"></a></td>
              <td class="left"><a href=""><?php echo $objResult["title"];?></a></td>
         
              <td class="width_status">
                       
                <?php

                    if($objResult["sys_status"]==1)
                    {
                        echo "ทำงาน";
                    }else if($objResult["sys_status"]=="0"){
                        echo "ไม่ทำงาน";
                    }
                    


                ?>
                </td>
       
              <td class="width_action">    
                               <a href="./HomeSlideTh/InsertHomeSlide/home/EditHomSlide.php?slideimage_id=<?php echo $objResult["slideimage_id"];?>" class="btn btn-mini"><i class="icon-pencil"></i> แก้ไข</a>
                        <a href="./HomeSlideTh/InsertHomeSlide/home/del.php?slideimage_id=<?php echo $objResult["slideimage_id"];?>" class="action-delete-single btn btn-mini" id="32"><i class="icon-remove"></i> ลบ</a>             
                </td>
            <td class="width_ordering">
                <span><a class="btn btn-mini"><i class="icon-resize-vertical btn-move"></i></a></span>
                                    <a href="" class="btn btn-mini" title="text_moveup"><i class="icon-circle-arrow-up"></i></a>
                    <a href="" class="btn btn-mini" title="text_move_down"><i class="icon-circle-arrow-down"></i></a>
                            </td>
                   


            </tr>
                     <?php
 
             $Row++;
      
                } 
                
                ?> 
    </table>
 
 <br>
   Total <?php echo $num_rows;?> Record : <?php echo $num_pages;?> Page :
        <?php
        if($prev_page)
        {
            echo " <a href='$_SERVER[SCRIPT_NAME]?Page=$prev_page'><< Back</a> ";
        }

        for($i=1; $i<=$num_pages; $i++){
            if($i != $page)
            {
                echo "[ <a href='$_SERVER[SCRIPT_NAME]?Page=$i'>$i</a> ]";
            }
            else
            {
                echo "<b> $i </b>";
            }
        }
        if($page!=$num_pages)
        {
            echo " <a href ='$_SERVER[SCRIPT_NAME]?Page=$next_page'>Next>></a> ";
        }
        $objCon = null;
        ?>

</div>
    </div>
    
</div>
                  </div>
                </div>