How to fix error in html [closed] - php

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I have created one HTML form and i have written php script also to connect to database. If i enter data in form and hit UPDATE button in form, its showing error like below,
<form action="process.php" method="Post"/>
<style>
p{
float:left;
}
</style>
<fieldset>
<legend align="center"><FONT color=default>Enter information Of SO's</legend>
<p align="center">
<label for="SO_ID"><FONT color=white>SO_ID</label>
<br/>
<input type="varchar" id="SO_ID" name="SO_ID"required/>
</p>
<p align="center">
<label for="No.of_samples"><FONT color=white>No.of samples</label>
<br/>
<input type="int" id="No.of_samples" name="No.of_samples"required/>
</p>
<p align="center">
<label for="Sample name"><FONT color=white>Sample name</label>
<br />
<input type="varchar" id="Sample name" name="Sample name"required/>
</p>
<p align="center">
<label for="Client name"><FONT color=white>Client name</label>
<br />
<input type="text" id="Client name" name="Client name"required/>
</p>
<p align="center">
<label for="Institution"><FONT color=white>Institution</label>
<br/>
<input type="text" id="Institution" name="Institution"required/>
</p>
<p align="center">
<label for="Run number "><FONT color=white>Run number </label>
<br/>
<input type="int" id="Run number" name="Run number"required/>
</p>
<p align="center">
<label for="Obtained reads"><FONT color=white>Obtained reads</label>
<br/>
<input type="int" id="Obtained reads" name="Obtained reads"required/>
</p>
<p align="center">
<label for="Re run Info"><FONT color=white>Re run Info</label>
<br/>
<input type="text" id="Re run Info" name="Re run Info"required/>
</p>
<p align="center">
<label for="Total reads"><FONT color=white>Total reads</label>
<br/>
<input type="int" id="Total reads" name="Total reads"required/>
</p>
<p align="center">
<label for="Run date"><FONT color=white>Run date</label>
<br/>
<input type="date" id="Run date" name="Run date"required/>
</p>
<p align="center">
<label for="Raw data location"><FONT color=white>Raw data location</label>
<br/>
<input type="varchar" id="Raw data location" name="Raw data location"required/>
</p>
<p align="center">
<label for="Analyst"><FONT color=white>Analyst</label>
<br/>
<input type="varchar" id="Analyst" name="Analyst"required/>
</p>
<p align="center">
<label for="Mentor"><FONT color=white>Mentor</label>
<br/>
<input type="text" id="Mentor" name="Mentor"required/>
</p>
<p align="center">
<label for="Analysis start date"><FONT color=white>Analysis start date</label>
<br/>
<input type="date" id="Analysis start date" name="Analysis start date"required/>
</p>
<p align="center">
<label for="Analysis end date"><FONT color=white>Analysis end date</label>
<br/>
<input type="date" id="Analysis end date" name="Analysis end date"required/>
</p>
<p align="center">
<label for="Report location"><FONT color=white>Report location</label>
<br/>
<input type="varchar" id="Report location" name="Report location"required/>
</p>
</fieldset>
<div style="text-align:center">
<button action= "process.php" method="post" >
<img alt="ok" src=
"http://www.blueprintcss.org/blueprint/plugins/buttons/icons/tick.png" />
UPDATE
</button>
</form>
the above script is saved in "process.html"
now below PHP script.
<?php
define('DB_NAME','ProcessTrackingSystem');
define('DB_USER','root');
define('DB_PASSWORD','');
define('DB_HOST','localhost');
$link=mysql_connect(DB_HOST,DB_USER,DB_PASSWORD);
if(!$link){
die('couldnot connect:'.mysql_error());
}
$db_selected=mysql_select_db(DB_NAME,$link);
if(!$db_selected){
die('cannot use'.DB_NAME.':'.mysql_error());
}
$value1 =$_POST['SO_ID'];
$value2 =$_POST['No.of samples'];
$value3 =$_POST['Sample name'];
$value4 =$_POST['Client name'];
$value5 =$_POST['Institution'];
$value6 =$_POST['Run number '];
$value7 =$_POST['Obtained reads'];
$value8 =$_POST['Re run Info'];
$value9 =$_POST['Total reads'];
$value10 =$_POST['Run date'];
$value11 =$_POST['Raw data location'];
$value12 =$_POST['Analyst'];
$value13 =$_POST['Mentor'];
$value14 =$_POST['Analysis start date'];
$value15 =$_POST['Analysis end date'];
$value16 =$_POST['Report location'];
$sql="INSERT INTO ProcessDetails (SO_ID, No.of_samples, Sample_name, Client_name, Institution, Run_number, Obtained_reads, Re_run_Info, Total_reads, Run_date, Raw_data_location, Analyst, Mentor, Analysis_start_date, Analysis_end_date, Report_location) VALUES ('$value1', '$value2', '$value3', '$value4', '$value5','$value6', '$value7', '$value8', '$value9', '$value10','$value11', '$value12', '$value13', '$value14', '$value15','$value16')";
if(!mysql_query($sql)){
die('error:'.mysql_error());
}
header('Location:process.html');
mysql_close();
?>
now if i enter the data into html form, its showing error that "error:Unknown column 'No.of_samples' in 'field list'".
anyone help me out to fix this error and get desired output.
Thanks in advance....

Answer 1

Assuming that a No.of_samples column exists in your table, quote the name with backticks (`) in your query:
$sql="INSERT INTO ProcessDetails (SO_ID, `No.of_samples`, Sample_name, Client_name, Institution, Run_number, Obtained_reads, Re_run_Info, Total_reads, Run_date, Raw_data_location, Analyst, Mentor, Analysis_start_date, Analysis_end_date, Report_location) VALUES ('$value1', '$value2', '$value3', '$value4', '$value5','$value6', '$value7', '$value8', '$value9', '$value10','$value11', '$value12', '$value13', '$value14', '$value15','$value16')";
Also, you might want to look into SQL injection security risks, and into using the non-deprecated mysqli_* functions instead of the deprecated mysql_* ones.

Answer 2

You are inserting to column No.of_samples which does not exist!