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POAjax in php is not working
 

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  1. POAjax in php is not working
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    <p>/* In the following code there is a dropdownlist, that has to call the function on every change has occurred to it. This function name is TotalCountsOfPL(). And the drop down list is name and Id is "sltLeaveType"; </p> <p>After the function called a textbox(AjxSelectedLeaveType) should be filled with the selected value of the dropdownlist.</p> <p>And the textbox(AjxTakenLeave) should be filled be filled with count which has been fetched by the database.</p> <p>*/</p> <p>I have the used the Ajax concept in my project.</p> <p>That is on the change of Dropdownlist I am calling the function(method). But this is not working.</p> <p>Means when I select the content of dropdownList selected data(option) should be displayed in the text field called </p> <p>my html file is I have the used the Ajax concept in my project.</p> <p>That is on the change of Dropdownlist I am calling the function(method). But this is not working.</p> <p>my html file is </p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;script&gt; function TotalCountsOfPL(str) { if(iset(session_unregister("mySessionVariable"))) { session_destroy(); }; session_start(); session_register("mySessionVariable"); if(str!="") { $_SESSION["mySessionVariable"] = str; document.getElementById("AjxSelectedLeaveType").innerHTML=str; } if (str=="") { document.getElementById("AjxTakenLeave").innerHTML=""; //document.getElementById("AjxLeaveType").innerHTML=""; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 &amp;&amp; xmlhttp.status==200) { document.getElementById("AjxTakenLeave").innerHTML=xmlhttp.responseText; } } xmlhttp.open("POST","getPLCount.php",true); xmlhttp.send(); } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;?php } $prevEmployeeId= (isset($_POST['cmbEmployeeId'])) ? $_POST['cmbEmployeeId'] : ""; $prevLeaveFromDate = (isset($_POST['txtLeaveFromDate'])) ? $_POST['txtLeaveFromDate'] : ""; $prevLeaveToDate = (isset($_POST['txtLeaveToDate'])) ? $_POST['txtLeaveToDate'] : ""; $prevLeaveType = (isset($_POST['sltLeaveType'])) ? $_POST['sltLeaveType'] : ""; $prevToTime = (isset($_POST['sltLeaveToTime'])) ? $_POST['sltLeaveToTime'] : "";+ // Gnanendra .. Here I have consider the variable $prevFromTime as "Total days" selected by the dropdownlist $prevFromTime = (isset($_POST['sltLeaveFromTime'])) ? $_POST['sltLeaveFromTime'] : ""; //G Comment below $prevTotalTime = (isset($_POST['txtLeaveTotalTime'])) ? $_POST['txtLeaveTotalTime'] : ""; $prevComments = (isset($_POST['txtComments'])) ? $_POST['txtComments'] : ""; $timeElementClass = (!empty($prevLeaveFromDate) &amp;&amp; ($prevLeaveFromDate == $prevLeaveToDate)) ? "show" : "hide"; $AjxSelectedLeaveType=(isset($_POST['AjxSelectedLeaveType'])) ? $_POST['AjxSelectedLeaveType'] : ""; $AjxTakenLeave=(isset($_POST['AjxTakenLeave'])) ? $_POST['AjxTakenLeave'] : ""; ?&gt; &lt;form id="frmLeaveApp" name="frmLeaveApp" method="post" action="&lt;?php echo $_SERVER['PHP_SELF']; ?&gt;?leavecode=Leave&amp;amp;action=&lt;?php echo $modifier; ?&gt;"&gt; &lt;input type="hidden" value="&lt;?php echo $token;?&gt;" name="token" /&gt; &lt;?php if (isset($confirmDate)) { ?&gt; &lt;input type="hidden" name="confirmDate" value="&lt;?php echo $prevLeaveFromDate; ?&gt;"/&gt; &lt;?php } ?&gt; &lt;?php if (isset($role)) { ?&gt; &lt;?php if(($role == authorize::AUTHORIZE_ROLE_ADMIN) || ($role == authorize::AUTHORIZE_ROLE_SUPERVISOR)){ ?&gt; &lt;label for="cmbEmployeeId"&gt;&lt;?php echo $lang_Leave_Common_EmployeeName; ?&gt;&lt;span class="required"&gt;*&lt;/span&gt;&lt;/label&gt; &lt;div&gt; &lt;input type="hidden" name="cmbEmployeeId" id="cmbEmployeeId" value="&lt;?php echo isset($prevEmployeeId) ? $prevEmployeeId : ""; ?&gt;" /&gt; &lt;div class="yui-ac" id="employeeSearchAC" style="float: left"&gt; &lt;input name="txtEmployeeId" autocomplete="off" class="yui-ac-input" id="txtEmployeeId" type="text" value="&lt;?php echo isset($empName) ? CommonFunctions::escapeHtml($empName) : ""; ?&gt;" tabindex="2" onfocus="showAutoSuggestTip(this)" style="color: #999999" /&gt; &lt;div class="yui-ac-container" id="employeeSearchACContainer" style="top: 28px; left: 10px;"&gt; &lt;div style="display: none; width: 159px; height: 0px; left: 100em" class="yui-ac-content"&gt; &lt;div style="display: none;" class="yui-ac-hd"&gt;&lt;/div&gt; &lt;div class="yui-ac-bd"&gt; &lt;ul&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;li style="display: none;"&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;div style="display: none;" class="yui-ac-ft"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div style="width: 0pt; height: 0pt;" class="yui-ac-shadow"&gt;&lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;br class="clear"/&gt; &lt;?php } ?&gt; &lt;?php } ?&gt; &lt;label for="sltLeaveType"&gt;&lt;?php echo $lang_Leave_Common_LeaveType; ?&gt;&lt;/label&gt; &lt;select name="sltLeaveType" id="sltLeaveType" class="formSelect" onchange="TotalCountsOfPL(this.value)"&gt; &lt;?php $skippedLeaveTypesCount = 0; if (is_array($records[1])) { foreach ($records[1] as $record) { $className = get_class($record); if ($className == 'LeaveQuota') { if ($record-&gt;isLeaveQuotaDeleted()) { $skippedLeaveTypesCount++; continue; } } $selected = ($record-&gt;getLeaveTypeID() == $prevLeaveType) ? 'selected="selected"' : ""; ?&gt; &lt;option &lt;?php echo $selected;?&gt; value="&lt;?php echo $record-&gt;getLeaveTypeID();?&gt;"&gt;&lt;?php echo $record-&gt;getLeaveTypeName(); ?&gt;&lt;/option&gt; &lt;?php } if ($skippedLeaveTypesCount == count($records[1])) { ?&gt; &lt;option value="-1"&gt;-- &lt;?php echo $lang_Error_NoLeaveTypes; ?&gt; --&lt;/option&gt; &lt;?php } } else { ?&gt; &lt;option value="-1"&gt;-- &lt;?php echo $lang_Error_NoLeaveTypes; ?&gt; --&lt;/option&gt; &lt;?php } ?&gt; &lt;/select&gt; &lt;br class="clear"/&gt; &lt;!--Gnanendra Here the Leave date range will get--&gt; &lt;?php if (!(is_array($records[1])) &amp;&amp; ($modifier == 'Leave_Apply')) { ?&gt; &lt;div class="notice"&gt;&lt;?php echo $lang_Leave_Common_LeaveQuotaNotAllocated; ?&gt;&lt;/div&gt; &lt;br class="clear"/&gt; &lt;?php } ?&gt; &lt;label for="txtLeaveFromDate"&gt;&lt;?php echo $lang_Leave_Common_FromDate; ?&gt;&lt;span class="required"&gt;*&lt;/span&gt;&lt;/label&gt; &lt;input name="txtLeaveFromDate" type="text" id="txtLeaveFromDate" size="10" value="&lt;?php echo $prevLeaveFromDate; ?&gt;" class="formDateInput"/&gt; &lt;input type="button" name="Submit" value=" " class="calendarBtn" id="btFromDate"/&gt; &lt;br class="clear"/&gt; &lt;label for="txtLeaveToDate"&gt;&lt;?php echo $lang_Leave_Common_ToDate; ?&gt;&lt;span class="required"&gt;*&lt;/span&gt;&lt;/label&gt; &lt;input name="txtLeaveToDate" type="text" id="txtLeaveToDate" size="10" value="&lt;?php echo $prevLeaveToDate; ?&gt;" class="formDateInput"/&gt; &lt;input type="button" name="Submit" value=" " class="calendarBtn" id="btToDate"/&gt; &lt;br class="clear"/&gt; &lt;div id="trTime1" class="&lt;?php echo $timeElementClass;?&gt;"&gt; &lt;label for="sltLeaveFromTime"&gt;&lt;?php echo $lang_Leave_Common_FromTime; ?&gt;&lt;/label&gt; &lt;?php $lang_Leave_Common_FromTime="Total Days"; ?&gt; &lt;label for="sltLeaveFromTime"&gt;&lt;?php echo $lang_Leave_Common_FromTime; ?&gt;&lt;/label&gt; &lt;select name="sltLeaveFromTime" id="sltLeaveFromTime" onchange="fillTimes();" class="formTimeSelect"&gt; &lt;select name="sltLeaveFromTime" id="sltLeaveFromTime" onchange="FillTheDayLength();" class="formTimeSelect"&gt; &lt;option value=""&gt;&lt;/option&gt; &lt;!-- It will the time to the drop downlist (00:00 to 23:59) --&gt; &lt;?php for ($i=$startTime; $i&lt;=$endTime; $i+=$interval) { $timeVal = date('H:i', $i); $selected = ($timeVal == $prevFromTime) ? 'selected="selected"' : ""; ?&gt; &lt;option &lt;?php echo $selected; ?&gt; value="&lt;?php echo $timeVal; ?&gt;" &gt;&lt;?php echo LocaleUtil::getInstance()-&gt;formatTime($timeVal); ?&gt;&lt;/option&gt; &lt;?php } ?&gt; &lt;/select&gt; &lt;label for="sltLeaveToTime"&gt;&lt;?php echo $lang_Leave_Common_ToTime; ?&gt;&lt;/label&gt; &lt;select name="sltLeaveToTime" id="sltLeaveToTime" onchange="fillTimes();" class="formTimeSelect"&gt; &lt;option value=""&gt;&lt;/option&gt; &lt;?php for ($i=$startTime; $i&lt;=$endTime; $i+=$interval) { $timeVal = date('H:i', $i); $selected = ($timeVal == $prevToTime) ? 'selected="selected"' : ""; ?&gt; &lt;option &lt;?php echo $selected; ?&gt; value="&lt;?php echo $timeVal; ?&gt;" &gt;&lt;?php echo LocaleUtil::getInstance()-&gt;formatTime($timeVal); ?&gt;&lt;/option&gt; &lt;?php } ?&gt; &lt;/select&gt; &lt;br class="clear"/&gt; &lt;label for="txtLeaveTotalTime"&gt;&lt;?php echo $lang_Leave_Common_TotalHours; ?&gt;&lt;/label&gt; &lt;input name="txtLeaveTotalTime" id="txtLeaveTotalTime" size="4" onchange="fillTimes();" value="&lt;?php echo $prevTotalTime; ?&gt;" class="formInputText" style="width:3em;"/&gt; &lt;br class="clear"/&gt; &lt;/div&gt; &lt;div id="trTime2" class="&lt;?php echo $timeElementClass;?&gt;"&gt; &lt;/div&gt; &lt;div id="trTime3" class="&lt;?php echo $timeElementClass;?&gt;"&gt; &lt;/div&gt; &lt;div id="trTime4" class="&lt;?php echo $timeElementClass;?&gt;"&gt; &lt;/div&gt; &lt;br class="clear"/&gt; &lt;label for="txtComments"&gt;&lt;?php echo $lang_Leave_Common_Comment; ?&gt;&lt;/label&gt; &lt;textarea name="txtComments" id="txtComments" class="formTextArea" rows="3" cols="20" &gt;&lt;?php echo $prevComments;?&gt;&lt;/textarea&gt; &lt;!-- --&gt; &lt;input name="AjxSelectedLeaveType" type="text" id="AjxSelectedLeaveType" size="30" value="&lt;?php (isset($_POST['AjxSelectedLeaveType'])) ? $_POST['AjxSelectedLeaveType'] : "Leave Type";?&gt;" class="formDateInput"/&gt; &lt;input name="AjxTakenLeave" type="text" id="AjxTakenLeave" size="30" value="&lt;?php (isset($_POST['AjxTakenLeave'])) ? $_POST['AjxTakenLeave'] : "Taken Leave";?&gt;" class="formDateInput"/&gt; &lt;!-- --&gt; &lt;br class="clear"/&gt; &lt;div class="formbuttons"&gt; &lt;input type="button" class="&lt;?php echo $btnClass;?&gt;" id="saveBtn" onclick="addSave();" onmouseover="moverButton(this);" onmouseout="moutButton(this);" value="&lt;?php echo $btnTitle;?&gt;" title="&lt;?php echo $btnTitle;?&gt;"/&gt; &lt;/div&gt; &lt;/form&gt; &lt;/div&gt; &lt;/body&gt; And the Following is getPLCount.php &lt;?php $q=$_POST["AjxSelectedLeaveType"]; $Eid=$_SESSION["mySessionVariable"]; $con = mysql_connect('localhost', 'gnuser', 'anu123'); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("My_Database", $con); $EmployeeId= $q; if (isset($q)) { $query = "select count(leave_request_id) from leave_requests where leave_type_id='LTY002' AND employee_id=".$q.";"; } if(isset($Eid)) { $query = "select count(leave_request_id) from leave_requests where leave_type_id='LTY002' AND employee_id=".$Eid.";"; } $result = mysql_query($query); echo "document.getElementById("AjxTakenLeave").innerHTML={$result}"; mysql_close($con); ?&gt; </code></pre> <p>Please any one tell me why its not working.</p>
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    1. COCould you format your code? It's absolutely unreadable. Sighs...
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    2. COi started editing then changed my mind, you have included too much code, revise it and only show the part that is concerned
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    3. COpaste you code on http://www.ideone.com an refer the link only and describe the error you are getting. nobody will took interest to see such lengthy code.
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