I am not redirecting to the respective page.What might be the reason?????Can i get my code correctly.Any help would be appreciated
<form action="rollno.php" method="GET">
<table>
<tr>
<td>username</td>
<td><input type="text" id="username" name="username" value="<?php if (isset($_GET['username'])) { echo $_GET['username']; } ?>"><span style="color:red">
<?php
if(isset($_GET['username'])&&($_GET['username']=="") )
echo "please enter username" ;?></span></td>
</tr>
<tr>
<td>password</td>
<td><input type="text" id="password" name="password" value="<?php if (isset($_GET['password'])) { echo $_GET['password']; } ?>" ><span style="color:red">
<?php if(isset($_GET['password'])&&($_GET['password']=="") )
echo "please enter password";?></span></td>
</tr>
<tr>
<td></td>
<td>
<input type="submit" value="submit" ></td>
</tr>
</table>
</form>