jQuery offers various ways in which ajax requests can
be passed to the server, the ajax() method is the core method which provides
all types of options to make Ajax requests. In this post we shall see on how to
send a GET request using the jQuery ajax() method.
.aspx Page (Client Side)
.aspx.cs page (Server side)
Run the Application and click on the btnHttpGETRequest button, notice that the request is processed using HTTP GET and the result data is displayed in the browser.
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The syntax for sending a GET
request using the ajax() method is as follows.
$.ajax({
$.ajax({
url: "" ,
type: 'GET',
cache: <true/false>,
dataType: "",
success: function(result)
{…});
}
});
The following example sends a HTTP GET request to the server, processes the XML
returned from the server page and displays the result in the browser.
.aspx Page (Client Side)
<html xmlns="http://www.w3.org/1999/xhtml"
>
<head runat="server">
<title>jQuery
Ajax</title>
<script type="text/javascript" src="JavaScript/jquery-1.7.2.js"></script>
<script
type="text/javascript"
language="javascript">
$(document).ready(function() {
//
//
// Send
HTTP Get Request
$('#btnHttpGETRequest').click(function(event) {
event.preventDefault();
var
nameList = "";
$.ajax({
url: "AjaxData.aspx?ID=1",
type: 'GET',
cache: false,
dataType: "xml",
success: function(result) {
$(result).find("Name").each(function()
{
nameList = nameList
+ $(this).text() + "<br
/>";
});
$("#divGETRequest").html(nameList);
}
});
});
});
</script>
</head>
<body>
<form id="frmAjax" runat="server">
<form id="frmAjax" runat="server">
<table border="1">
<tr>
<td><b>Action</b></td>
<td><b>Response</b></td>
</tr>
<tr>
<tr>
<td>
<asp:Button
ID="btnHttpGETRequest"
runat="server"
Text="HTTP GET Request" />
</td>
<td>
<div id="divGETRequest"></div>
</td>
</tr>
</table>
</table>
</form>
</body>
</html>
.aspx.cs page (Server side)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml.Linq;
namespace jQuery
{
public partial class AjaxData : System.Web.UI.Page
{
protected
void Page_Load(object
sender, EventArgs e)
{
if
((Request.Form != null)&&(Request.Form.Count
> 0))
{
//
Process HTTP POST Request
string
strFilterID = Request.Form["ID"].ToString();
List<clsContacts> lstContacts =
getContactByID(strFilterID);
Response.Write(buildXML(lstContacts));
}
else
{
//
Process HTTP GET Request
string
strFilterID = Request.QueryString["ID"].ToString();
//
List<clsContacts> lstContacts =
getContactByID(strFilterID);
Response.Write(buildXML(lstContacts));
}
}
//
private
List<clsContacts>
getContactByID(string filterKey)
{
List<clsContacts> lstContacts = new List<clsContacts>();
lstContacts.Add(new clsContacts("1", "John",
"34"));
lstContacts.Add(new clsContacts("2", "David",
"24"));
//
var
filteredContacts = from c in lstContacts
where c.ID.Equals(filterKey)
select c;
//
return
filteredContacts.ToList();
}
//
private
string buildXML(List<clsContacts> lstContacts)
{
XElement
contactsXML = new XElement("Contacts");
//
foreach
(clsContacts objContact in lstContacts)
{
contactsXML.Add(
new
XElement("Contact",
new XElement("Name", objContact.Name),
new XElement("Age", objContact.Age)
)
);
}
return
contactsXML.ToString();
}
}
//
//
public class clsContacts
{
public string _id;
public string _name;
public string _age;
//
public
clsContacts(string strID, string strname, string
strAge)
{
this._id
= strID;
this._name
= strname;
this._age
= strAge;
}
//
public string ID
{
get
{ return _id; }
set
{ _id = value; }
}
//
public string Name
{
get
{ return _name; }
set
{ _name = value; }
}
//
public string Age
{
get
{ return _age; }
set
{ _age = value; }
}
}
}
Run the Application and click on the btnHttpGETRequest button, notice that the request is processed using HTTP GET and the result data is displayed in the browser.
Related Post
jquery ajax method
jquery ajax get example
jquery ajax post example
jquery ajax html response example
jquery ajax xml response example
jquery ajax json response example
jquery ajax text response example
1 comment:
Above code is not working Properly..
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