Archive for the ‘ASP.NET C#’ Category

namespace javascriptserializer could not be found

JavaScriptSerializer is situated in System.Web.Extensions Assembly. You should add it to your project references using add reference option.


Make JSON data using JavaScriptSerializer in

using System.Net;
using System.Text;
using System.IO;
using System.Data;
using System.Web.Script.Serialization;

string json = new JavaScriptSerializer().Serialize(new
empid = eid,
empname = ename,
empsalary = salary

Send Json Data to Webservice and get response from Webservice

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.Text;
using System.IO;
using System.Data;
using System.Web.Script.Serialization;


string url =””;

var httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest.ContentType = “application/json”;
httpWebRequest.Method = “POST”;

using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
string json = new JavaScriptSerializer().Serialize(new
empid = “1001”,
empname = “test name”,
empsalary= “10000”


var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
var result = streamReader.ReadToEnd();

Print Html page using javascript in

function printpage() {
//Get the print button and put it into a variable
var printButton = document.getElementById(“printbtn”);
//Set the print button visibility to ‘hidden’ = ‘hidden’;
//Print the page content
//Set the print button to ‘visible’ again
//[Delete this line if you want it to stay hidden after printing] = ‘visible’;


<input id=”printbtn” type=”button” value=”Print page” onclick=”printpage()”/>


Read Resulting HTML Page code in

Add below mention assembly in your project.

using System.Net;
using System.Text;



WebClient myClient = new WebClient();

string myPageHTML = null;

byte[] requestHTML;

string currentPageUrl = “;;

UTF8Encoding utf8 = new UTF8Encoding();

requestHTML = myClient.DownloadData(currentPageUrl);

myPageHTML = utf8.GetString(requestHTML);



catch (Exception ex)



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Call Button server event on enter key pressed in password textbox


$(document).ready(function () {
var key = e.which;
if(key == 13)
//return false;


<form id=”form1″ runat=”server”>

 <asp:TextBox ID=”txtUser” runat=”server” class=”form-control” placeholder=”UserID”
<asp:TextBox ID=”txtPassword” runat=”server” class=”form-control” placeholder=”Password”
<asp:LinkButton ID=”btnSubmit” runat=”server” class=”btn btn-bricky pull-right”>Login <i class=”fa fa-arrow-circle-right”></i> </asp:LinkButton>



ConfirmButtonExtender – How to use line break in ConfirmText

In ConfirmButtonExtender, We can use   character code to break line & put remaining character in new line.

Example :

<cc1:ConfirmButtonExtender ID=”cbeDelete” runat=”server” ConfirmText=“Before submitting your Application, Verify all filled details in the application. If you want to Submit your Application, Click on OK button.”


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