Copy Code code as follows:
<script type= "Text/javascript" ><!--
var request = false;
try {
Request = new XMLHttpRequest ();
} catch (Trymicrosoft) {
try {
Request = new ActiveXObject ("Msxml2.xmlhttp");
} catch (Othermicrosoft) {
try {
Request = new ActiveXObject ("Microsoft.XMLHTTP");
} catch (Failed) {
Request = false;
}
}
}
if (!request) alert ("Error initializing xmlhttprequest!");
Get information
function GetInfo () {
var url = "Test.aspx?username=" + document.getElementById ("Txtname"). Value;
Request.open ("Get", url, True);
Request.onreadystatechange = Updatepagetime;
Request.send (NULL);
}
Update page
function Updatepagetime () {
if (request.readystate = = 4) {
if (Request.status = = 200) {
var response = Request.responsetext;
document.getElementById ("Txtloginname"). Value = response;
else if (Request.status = 404) {
Alert ("Requested URL is not found.");
else if (Request.status = 403) {
Alert ("Access denied.");
} else
Alert ("Status is" + Request.status);
}
}
--></script>
<form id= "Form1" runat= "Server" >
<input id= "txtname" onchange= "GetInfo ()" type= "text"/>
<input id= "Txtloginname" type= "text"/>
</form>