Have message come after user tries to login

I would like to have my code where nothing happens until the user tries to login.  RIght now, the code runs as the page loads, therefore outputting the error message.  I don't want the error message to be displayed until a user tries to login.

<?php
session_start();
//Pulling info from login page
if ($_SERVER['REQUEST_METHOD']  == "POST") {
     
      $strUsername = $_POST['strUsername'];
      $strPassword = $_POST['strPassword'];
     
}
 
//Connect to the database
$conn = mysql_connect("localhost", "username", "password")
or die(mysql_error());
mysql_select_db("bank");
 
//Select info from the database
$sql_select = mysql_query("select * from login where strUsername = '" . $strUsername . "' and strPassword = '" . md5($strPassword) . "'")
or die(mysql_error());
 
if(mysql_num_rows($sql_select) != 0)
{
        $_SESSION["username"] = $strUsername;
        header("location: index.php");
}
else
{
        $result = "You are not authorized, please register with us.";
}
 
 
session_write_close();
?>
LVL 1
pingeyegAsked:
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steelseth12Connect With a Mentor Commented:
<?php
session_start();
//Pulling info from login page

if(isset($_POST['strUsername'])) { // check if form has been submitted

      if ($_SERVER['REQUEST_METHOD']  == "POST") {
             
              $strUsername = $_POST['strUsername'];
              $strPassword = $_POST['strPassword'];
             
      }
      
      //Connect to the database
      $conn = mysql_connect("localhost", "username", "password")
      or die(mysql_error());
      mysql_select_db("bank");
      
      //Select info from the database
      $sql_select = mysql_query("select * from login where strUsername = '" . $strUsername . "' and strPassword = '" . md5($strPassword) . "'")
      or die(mysql_error());
      
      if(mysql_num_rows($sql_select) != 0)
      {
                  $_SESSION["username"] = $strUsername;
                  header("location: index.php");
      }
      else
      {
                  $result = "You are not authorized, please register with us.";
      }

}
 
 
session_write_close();
?>
0
 
pingeyegAuthor Commented:
Awesome!
0
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