ASP.NET - how to select the gridview records with simple xmlhttprequest

1. binding gridview from database.

2. design one textbox, When ever type a sentence or a single word in the text box, it will automatically display those records in grid view.

using xmlhttrequest with javascript in asp.net C#.
please help me.......

Hello Friend.

you have asked two questions

1. binding gridview from database.

2. design one textbox, When ever type a sentence or a single word in the text box, it will automatically display those records in grid view.

i think second would serve the same purpose, because when an user type something on textbox, it will filter the data and  bind it to gridview.

and this can be done using AJAX ENABLED GRIDVIEW.

for this you havto handle HTTP request and responses, somthing like as below sample.

/* This function is used to handler the http response */
function HandleResponse(Id) {
 
    var childGridDiv = document.getElementById("div" + Id);
    var childRow = document.getElementById("tr" + Id);
    var img = document.getElementById('img' + Id);
  
    // If Response completed
    if (xmlHttp.readyState == 4) {
      if (xmlHttp.status == 200) {
 
        // Here is the response
        var str = xmlHttp.responseText;
 
        childGridDiv.innerHTML = str;
 
        xmlHttp.abort();
      
        // Mark the flag, Child Grid is fetched from server
        document.getElementById('hid' + Id).value = '1';
      }
      else {
        childRow.style.display = "none";
        img.src = "images/plus.png";
      }
    }
    else {
      // Show the Progress status
      childGridDiv.innerHTML = "<div style='padding:4px;'><img src='Images/ajax-loader.gif' alt='' /><span style='color:blue;font-size:17px;font-weight:bold;'>Loading... Please wait</span></div>";
      childRow.style.display = "block";
      img.src = "images/minus.png";
    }
}
/* function to create Ajax object */
function createAjaxObject() {
    var ro;
    var browser = navigator.appName;
    if (browser == "Microsoft Internet Explorer") {
      if (xmlHttp != null) {
        xmlHttp.abort();
      }
      ro = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else {
      if (xmlHttp != null) {
        xmlHttp.abort();
      }
      ro = new XMLHttpRequest();
    }
    return ro;
}
 
/* Get the XML Http Object */
function GetXmlHttpObject(handler) {
    var objXmlHttp = null;
    if (is_ie) {
      var strObjName = (is_ie5) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP';
 
      try {
        objXmlHttp = new ActiveXObject(strObjName);
        objXmlHttp.onreadystatechange = handler;
      }
      catch (e) {
        alert('Object could not be created');
        return;
      }
    }
    return objXmlHttp;
}
 
function xmlHttp_Get(xmlhttp, url) {
    xmlhttp.open('GET', url, true);
    xmlhttp.send(null);

Note:-just learn some good tutorial about this concept it will help you.
Hope it helps
Regards
D

ok.  how to write c# coding in cs file.

hello friend,

do u mean Inline coding,cs( i assume client side).

<%@ Import Namespace="System" %>
<%@ Page Language="c#"%>

<script runat="server">
  public string ServerSideFunction(string input)
  {
  return "Hello " + input;
  }
</script>

than write like this

Regards
D