title: How to fix 'Notice Undefined index:'
body: <p>I received the following error message when I go on searchproduct page. How may i fixed it?</p>
  
  <p>Notice: Undefined index: dosageForm in C:\xampp\htdocs\prism\searchproduct.php on line 29</p>
  
  <p>Notice: Undefined index: dosageForm in C:\xampp\htdocs\prism\searchproduct.php on line 32</p>
  
  <p>Notice: Undefined index: strengths in C:\xampp\htdocs\prism\searchproduct.php on line 35</p>
  
  <p>Notice: Undefined index: strengths in C:\xampp\htdocs\prism\searchproduct.php on line 38</p>
  
  <pre><code>if($_POST['dataType']!= "") {
    $dataType = $_POST['dataType']; 
  }else{
    $dataType = $_GET['dataType']; 
  }
  
  if($_POST['drugCategory']!= ""){
      $drugCategory = $_POST['drugCategory']; 
  }else{
      $drugCategory = $_GET['drugCategory']; 
  }
  
  if($_POST['productName']!= ""){
      $productName = $_POST['productName']; 
  }else{
      $productName = $_GET['productName']; 
  }
  
  if($_POST['brandName']!= ""){
      $brandName = $_POST['brandName']; 
  }else{
      $brandName = $_GET['brandName']; 
  }
  
  if($_POST['dosageForm']!= ""){
      $dosageForm = $_POST['dosageForm']; 
  }else{
      $dosageForm = $_GET['dosageForm']; 
  }
  
  if($_POST['strengths']!= ""){
      $strengths = $_POST['strengths']; 
  }else{
      $strengths = $_GET['strengths']; 
  }
  </code></pre>
  
  <p>i am getting same type of error ,</p>
  
  <p>please help me to resolve</p>