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Not getting response on the same page using Ajax

Course Queries Syllabus Queries 2 years ago

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Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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manpreet Tuteehub forum best answer Best Answer 2 years ago

 

Hi I am working on a project in which I am using Ajax to display output on the same page. It contains a JSP form that takes user input and store the inputs to the database and in response I want to display a success message.

But I am not getting the message on the same page.

JSP Code:- I have tried using both get and post method but of no use. On clicking Add button it should display a success message if record inserted successfully on the same page but I am getting the message on another page.

Please help to fix this. This is the first time I am using Ajax. Is there any changes that we need to make to web.XML file?

`

DOCTYPE html>
    <html>

            <head>
            <title>Coursestitle>


          <script>
                var request;
                function addDetails(){
                    request=new XMLHttpRequest();
                    request.onreadystatechange()=getResult();
                    var cid=document.getElementById("cid").value;
                    var name=document.getElementById("name").value;
                    var syllabus=document.getElementById("syllabus").value;
                    var duration=document.getElementById("duration").value;
                    var fees=document.getElementById("fees").value;

                    request.open("get","Courses?cid="+cid,"name="+name,"syllabus="+syllabus,"duration="+duration,"fees="+fees,true);
                    //request.setRequestHeader("Content-type","application/x-www-form-urlencoded");
                    //request.send(cid&name&syllabus&duration&fees);
                    request.send();
                }

                function getResult(){
                    if(request.readyState===4&&request.status===200){
                        var result=request.responseText();
                        document.getElementbyID("output").innerHTML=result;
                    }
                    else{
                        document.getElementbyID("output").innerHTML="Error";
                    }

                }



                script>
                <style>
                body {
                    text-align:center;
                }
                h1 {
                    font-size:30px;
                    font-weight:bold;
                    color:peru;
                }
                pre {

                    font-size:20px;
                    font-weight:bold;
                    color:black;
                }

            style>
        head
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manpreet 2 years ago

You are attaching addDetails to a submit button. When it is clicked it will submit the page which you are most likely dont want to happen. Change the type to be just button: <input type="button" name="Add" value="Add" onclick="addDetails()"/>.

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