I want to design a webpage where user can search the data from the database and list out the related records. Each of the record got a delete button which allow user to delete the record.
Filename : search_student. php -
<?php
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include("../user_access/user_access_control.php");
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include("../Database/database.php");
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$searchStudentControl = new Access_user;
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// call the levelAccess method to check the user access level
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$searchStudentControl->levelAccess($_SESSION['level'],1);
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<title>Untitled Document</title>
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<style type="text/css">
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<!--
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body {
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margin-left: 0px;
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margin-top: 0px;
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margin-right: 0px;
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margin-bottom: 0px;
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}
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.style1 {
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font-size: 18px;
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color: #FFFFFF;
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}
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-->
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</style>
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<script type="text/javascript" src="engine.js"></script>
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</head>
-
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<body>
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<table width="707" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td width="62" height="31"> </td>
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<td colspan="5"></td><td width="1"></td>
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</tr>
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<tr>
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<td> </td>
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<td colspan="5"><form>
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<table width="641" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td width="173"><input name="sData" type="text" id="sData">
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by</td>
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<td width="80"><select name="sSelect" id="sSelect">
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<option value="Stu_ID">ID</option>
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<option value="Stu_Name">Name</option>
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<option value="Class_Code">Class</option>
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</select></td>
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<input name="sTable" type="hidden" value="student_recording">
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<td width="72"><input name="search" type="button" onClick="getSearch(sData.value,sSelect.value,sTable.value,'search');" value="Search"></td>
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<td width="316"> </td>
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</tr>
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</table>
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</form></td>
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</tr>
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<tr>
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<td> </td>
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<td colspan="3"> </td>
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<td width="6"> </td>
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<td width="207"> </td>
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</tr>
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<tr>
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<td> </td>
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<td colspan="5" bgcolor="#999999"> </td>
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</tr>
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<tr>
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<td> </td>
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<td colspan="5" bgcolor="#666699"><strong><span class="style1">:: Student Record :: </span></strong></td>
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</tr>
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<tr>
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<td rowspan="4"> </td>
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<td colspan="5"></td>
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</tr>
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<tr>
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<td width="230"><strong>Student Name </strong></td>
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<td width="157"><strong>Contact Number </strong></td>
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<td width="44"><strong>Class</strong></td>
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<td> </td>
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<td> </td>
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</tr>
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<tr>
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<td colspan="5"><hr></td>
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</tr>
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<tr>
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<td colspan="5">
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<div id="getResult"></div>
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</td>
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</tr>
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</table>
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</body>
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</html>
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Filename : engine.js -
var xmlHttp;
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function deleteData(paction)
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{
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xmlHttp=GetXmlHttpObject()
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if (xmlHttp==null)
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{
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alert ("Browser does not support HTTP Request")
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return
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}
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var url="../user_access/process.php"
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url=url+"?id="+paction
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url=url+"&sid="+Math.random()
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xmlHttp.onreadystatechange=stateChanged
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xmlHttp.open("GET",url,true)
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xmlHttp.send(null)
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}
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function getSearch(pvalue,ptype,ptable,paction)
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{
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xmlHttp=GetXmlHttpObject()
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if (xmlHttp==null)
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{
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alert ("Browser does not support HTTP Request")
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return
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}
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var url="../user_access/process.php"
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url=url+"?value="+pvalue+"&type="+ptype+"&table="+ptable+"&action="+paction
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url=url+"&sid="+Math.random()
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xmlHttp.onreadystatechange=stateChanged
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xmlHttp.open("GET",url,true)
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xmlHttp.send(null)
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}
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function stateChanged()
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{
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if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
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{
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document.getElementById("getResult").innerHTML=xmlHttp.responseText
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}
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}function GetXmlHttpObject()
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{
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var xmlHttp=null;
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try
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{
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// Firefox, Opera 8.0+, Safari
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xmlHttp=new XMLHttpRequest();
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}
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catch (e)
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{
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//Internet Explorer
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try
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{
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xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
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}
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catch (e)
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{
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xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
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}
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}
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return xmlHttp;
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}
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Filename : process.php -
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
-
<title>Untitled Document</title>
-
<style type="text/css">
-
<!--
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body {
-
margin-left: 0px;
-
margin-top: 0px;
-
margin-right: 0px;
-
margin-bottom: 0px;
-
}
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.style1 {
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font-size: 18px;
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color: #FFFFFF;
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}
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-->
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</style>
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<script type="text/javascript" src="../admin_sys/engine.js"></script>
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</head>
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<?php
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include("../Database/database.php");
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if($_GET['action'] == "search"){
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showData();
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}else if($_REQUEST['action'] == "Edit"){
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edit();
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}else if($_REQUEST['action'] == "delete"){
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delete();
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}
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function view(){
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global $conn;
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$Viewsql = "SELECT * FROM " . $_REQUEST['Table'] . " WHERE ( " . $_REQUEST['Type'] . "='" . $_REQUEST['sID'] . "')";
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$result = $conn->query($Viewsql);
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while($data = $result->fetch_assoc()){
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echo $data['Stu_ID'];
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echo "<br>";
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echo $data['Stu_Name'];
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echo "<br>";
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echo $data['Stu_Race'];
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}
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}
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function edit(){
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}
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function delete(){
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global $conn;
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$sql="DELETE FROM ".$_GET['table']." WHERE (Stu_ID = ".$_GET['id'].")";
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$conn->query($sql);
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echo "Data Deleted";
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showData();
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}
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function showData(){
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global $conn;
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$sql="SELECT * FROM ".$_GET['table']." WHERE (".$_GET['type']." ='".$_GET['value']."')";
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$result = $conn->query($sql);
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echo "<table width='641' border='0' cellspacing='0' cellpadding='0'>";
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while($data = $result->fetch_assoc()){
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echo "<tr>";
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echo "<td width='230'>" . $data['Stu_Name'] . "</td>";
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echo "<td width='153'>" . $data['Stu_Tel'] . "</td>";
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echo "<td width='22'>" . $data['Class_Code'] . "</td>";
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echo "<td width='48'></td>";
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echo "<td width='188'><div align='right'>";
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echo "<input type='button' onClick='process('delete');' value='Delete'>";
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echo "</div></td>";
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echo "</tr>";
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echo "<tr>";
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echo "<td colspan='5'><hr></td>";
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echo "</tr>";
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}
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echo "</table>";
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}
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?>
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Im getting error if i put input type='button' onClick='proces s('delete');' value='Delete'> "; in process.php. I know my design structure is not correct. Can anyone get me an idea about the correct way to design.
can i display the delete button for each record when the record is exist in search_student. php.
Thanks in advance
Bluez
3  3426  acoder 16,027
Recognized Expert Moderator MVP
The reason why you're getting an error is that you've got a quote within a quote. Javascript thinks the quote has ended and then comes across the word 'delete' which it obviously doesn't understand.
You have two options: either escape the quotes using backslash (\) or use single and double quotes together, e.g.
[HTML]<input type='button' onClick="proces s('delete');" value='Delete'>[/HTML]
Thx..it's work
and sorry for the late reply
acoder 16,027
Recognized Expert Moderator MVP
Thx..it's work
and sorry for the late reply
No problem. Glad you got it working.
Sign in to post your reply or Sign up for a free account.
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