PHP MySQL Error echo insert into values printing on screen

I am learning PHP MYSql and faced an error while writing a marks submission program. When i run the program in chrome, the table is coming ok but neither the values are inserting in the MySQL table nor the redirection to different webpage taking place. You will understand it more clearly in the code and screen given below

<html>
<body>
<?php
error_reporting(E_ALL ^ E_DEPRECATED);
    $connection = mysql_connect("localhost","root","");
    if($connection == false)
    {
        echo("<h3>Unable MySQL</h3>");
        die();
    }
    $db = mysql_select_db("IGNOU",$connection);
    if($db == false)
    die("<h3>Unable to connect to DB</h3>");

if(isset($_POST['submit']))
{
$rcptno=mysql_real_escape_string($_POST['rcptno']);
$subdt=mysql_real_escape_string($_POST['subdt']);
$amarks=mysql_real_escape_string($_POST['amarks']);
$Vvmarks=mysql_real_escape_string($_POST['Vvmarks']);
$chk_dt=mysql_real_escape_string($_POST['chk_dt']);
$roll_no=mysql_real_escape_string($_POST['roll_no']);
$sbcode=mysql_real_escape_string($_POST['sbcode']);
$ecode=mysql_real_escape_string($_POST['ecode']);
$query1=mysql_query("insert into assignment values('$rcptno','$subdt','$amarks','$Vvmarks','$chk_dt',
'$roll_no','$sbcode','$ecode')");

echo "insert into assignment values('$rcptno','$subdt','$amarks','$Vvmarks','$chk_dt','$roll_no'
,'$sbcode','$ecode')";
if($query1)
{
header("location:studentmaster.php");
}
}
?>
<fieldset style="width:400px;">
<form method="post" action="">
Reciept No.: <input type="number" name="rcptno" min="1">
<br>
Submission Date.: <input type="date" name="subdt">
<br>
Assignment Marks: <input type="number" name="amarks" max = "100">
<br>
Viva Marks: <input type="number" name="Vvmarks" max="100">
<br>
Checking Date.: <input type="date" name="chk_dt">
<br>
Roll No.: <input type="text" name="roll_no">
<br>
Subject Code.:
<input type="text" name="sbcode">
<br>
Evaluator Code:
<input type="text" name="ecode">
<br>
<input type="submit" name="submit">
</form>
</fieldset>
</body>
</html>

Screen

[This is the screen in which i have not yet clicked submit button]

[Now i have Clicked Submit button but it only displays a line…no insertion…no redirection]

Kindly help in overcoming this problem….

Answer

Just replace the insert query with this

insert into assignment(`col1`,`col2`,`col3`,`col4`,`col5`, `col6`,`col7`,`col8`) values('$rcptno','$subdt','$amarks','$Vvmarks','$chk_dt', '$roll_no','$sbcode','$ecode')

replace col1, col2, col3… with your mysql table columns

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Answer