01.<script language="JavaScript">
02. var HttPRequest = false;
03. function doCallAjax(Mode) {
04. HttPRequest = false;
05. if (window.XMLHttpRequest) {
06. HttPRequest = new XMLHttpRequest();
07. if (HttPRequest.overrideMimeType) {
08. HttPRequest.overrideMimeType('text/html');
09. }
10. } else if (window.ActiveXObject) {
11. try {
12. HttPRequest = new ActiveXObject("Msxml2.XMLHTTP");
13. } catch (e) {
14. try {
15. HttPRequest = new ActiveXObject("Microsoft.XMLHTTP");
16. } catch (e) {}
17. }
18. }
19.
20. if (!HttPRequest) {
21. alert('Cannot create XMLHTTP instance');
22. return false;
23. }
24.
25. var url = 're.asp';
26. var pmeters = "lname=" + encodeURI( document.getElementById("txtCustomerID").value) +
27. "&tMode=" + Mode;
28.
29. HttPRequest.open('POST',url,true);
30.
31. HttPRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
32. HttPRequest.setRequestHeader("Content-length", pmeters.length);
33. HttPRequest.send(pmeters);
34.
35.
36. HttPRequest.onreadystatechange = function()
37. {
38.
39. if(HttPRequest.readyState == 3)
40. {
41. document.getElementById("mySpan").innerHTML = "Now is Loading...";
42. }
43.
44. if(HttPRequest.readyState == 4)
45. {
46. document.getElementById("mySpan").innerHTML = HttPRequest.responseText;
47. document.getElementById("txtCustomerID").value = '';
48. }
49.
50. }
51.
52. }
53. </script>
54.<body>
55.<h1>My Customer</h1>
56.<form name="frmMain"action="#">
57.<textarea name="txtCustomerID" id="txtCustomerID"onkeydown="if (event.keyCode == 13) { this.form.submit(); return false; }"></textarea>
58.<input type="button" name="btnAdd" id="btnAdd" value="Add" OnClick="JavaScript:doCallAjax('ADD');">
59.<br><br>
60.<span id="mySpan"></span>
61.</form>
62.</body>
63.</html>
