Keep Session Alive

<script language="javascript" type="text/javascript">

    var sessionTimeoutWarning = '<%= System.Configuration.ConfigurationSettings.AppSettings["SessionWarning"].ToString()%>'; //get Value from Webcofig

    var sessionTimeout = "<%= Session.Timeout %>"; //Get Sesstion TimeOut

    var timeOnPageLoad = new Date();

    var sessionWarningTimer = null;

    var redirectToWelcomePageTimer = null;

    //For warning

    var sessionWarningTimer;

    //To redirect to the welcome page

    var redirectToWelcomePageTimer;

    function CheckBrowserSession() {

        //For warning

        sessionWarningTimer = setTimeout('SessionWarning()', parseInt(sessionTimeoutWarning) * 60 * 1000);

        //To redirect to the welcome page

        redirectToWelcomePageTimer = setTimeout('RedirectToWelcomePage()', parseInt(sessionTimeout) * 60 * 1000);

    }

    //Session Warning

    function SessionWarning() {

        //minutes left for expiry

        var minutesForExpiry = (parseInt(sessionTimeout) - parseInt(sessionTimeoutWarning));

        var message = 'Your session will expire in another ' + minutesForExpiry + 'mins. Do you want to extend the session?';

        //Confirm the user if he wants to extend the session

        if (Confirm(message)) {

            if (redirectToWelcomePageTimer != null) {

                clearTimeout(redirectToWelcomePageTimer);

            }

            //reset the time on page load

            timeOnPageLoad = new Date();

            sessionWarningTimer = setTimeout('SessionWarning()', parseInt(sessionTimeoutWarning) * 60 * 1000);

            //To redirect to the welcome page

            redirectToWelcomePageTimer = setTimeout('RedirectToWelcomePage()', parseInt(sessionTimeout) * 60 * 1000);

        }

        //*************************

        //Even after clicking ok(extending session) or cancel button,

        //if the session time is over. Then exit the session.

        var currentTime = new Date();

        //time for expiry

        var timeForExpiry = timeOnPageLoad.setMinutes(timeOnPageLoad.getMinutes() + parseInt(sessionTimeout));

        //Current time is greater than the expiry time

        if (Date.parse(currentTime) > timeForExpiry) {

            alert("Session expired. You will be redirected to welcome page");

            window.location = "Login/index";

        }

        //**************************

    }

    //Session timeout

    function RedirectToWelcomePage() {

        alert("Session expired. You will be redirected to welcome page");

        window.location = "Login/index";

    }

  $(document).ready(function () {

            CheckBrowserSession()

   

            });

</script>

Validate File upload Control

function ValidateFileUpload(ControlID, filename) {

            var isValid = false;

            var Extension = filename.substring(filename.lastIndexOf('.') + 1).toLowerCase();

            var extArray = new Array("gif", "jpg", "tif", "jpeg", "tiff", "pdf", "txt", "doc", "docx", "rtf");

            for (var i = 0; i < extArray.length; i++) {

                if (extArray[i] == Extension) {

                    isValid = true;

                    break;

                }

            }

            if (isValid == false) {

                document.getElementById(ControlID).value = "";

                alert(' <%=ViewRes.Common.Invalidfileformat%>');

            }

        }

<input class="txtfld FileUpload" onchange="ValidateFileUpload(this.id,this.value)"

                            type="file" id="file1" name="AttributeImages1" />

Trim() function for IE

  String.prototype.trim = function () {

            return this.replace(/^\s+|\s+$/g, "");

        };

  var SelectedClient = $("#SelectedClient").val();

    var Data= SelectedClient.trim()

Asp.Net MVC and Report Viewer Control

public ActionResult GetActiveRecordReports()

        {

            List<PE_getActiveCaseListResult> myResult = new List<PE_getActiveCaseListResult>();

            try

            {

                // myResult = (List<PE_getActiveCaseListResult>)Session["GETACTIVEREPORTDATA"];

                myResult = (List<PE_getActiveCaseListResult>)WebserviceHelper.GetReportData("GETACTIVEREPORTDATA"); //List

                CasesModel model = new CasesModel();

                LocalReport localReport = new LocalReport();

                localReport.ReportPath = Server.MapPath("~/Reports/ActiveCaseReport.rdlc"); //Report Path

                String[] dateFrom = Request.QueryString[1].ToString().Split('K'); //Date

                String[] dateTo = Request.QueryString[2].ToString().Split('K');

                DateTime DateBegin = new DateTime(Convert.ToInt32(dateFrom[2]), Convert.ToInt32(dateFrom[0]), Convert.ToInt32(dateFrom[1]));

                DateTime DateEnd = new DateTime(Convert.ToInt32(dateTo[2]), Convert.ToInt32(dateTo[0]), Convert.ToInt32(dateTo[1]));

                string FileType = Request.QueryString[3].ToString();// File Type "PDF,Excel,TIF

                ReportDataSource reportDataSource = new ReportDataSource("AciveDataSet", myResult); //Dateset

                ReportParameter pFrom = new ReportParameter("DateFrom", DateBegin.ToString("MM/dd/yyyy")); //Parameter

                ReportParameter pTo = new ReportParameter("DateTo", DateEnd.ToString("MM/dd/yyyy"));

                localReport.SetParameters(new ReportParameter[] { pFrom, pTo });

                localReport.DataSources.Add(reportDataSource);

                string reportType = FileType;

                string mimeType;

                string encoding;

                string fileNameExtension;

                string deviceInfo = string.Empty;

                Warning[] warnings;

                string[] streams;

                byte[] renderedBytes;

                //The DeviceInfo settings should be changed based on the reportType

                //http://msdn2.microsoft.com/en-us/library/ms155397.aspx

                //Render the report

                renderedBytes = localReport.Render(

                    reportType,

                    null,

                    out mimeType,

                    out encoding,

                    out fileNameExtension,

                    out streams,

                    out warnings);

                Response.AddHeader("content-disposition", "attachment; filename=ActiveCaseReport." + fileNameExtension);

                return File(renderedBytes, mimeType);

            }

            catch (Exception ex)

            {

                employment.CommonClasses.PeErrorLog.InsertErrorLog("User Name:-" + employment.CommonClasses.ControlHelper.GetPeSessionUserName(),

                                                                "GetActiveRecordReports():- " + ex.Message.ToString(), " Address:-" + Request.Path);

            }

            return null;

        }

Select Dropdownlist Selected text through Value in JQuery

function ddlSelectedValue(obj,value) {

            $(obj).each(function () {

                $('option', this).each(function () {

                    if ($(this).val() == value) {

                        $(this).attr('selected', 'selected')

                    };

                });

            });

Add and Remove Style Sheet at Runtime in Javascript

function AddstyleSheets () {

 var cssNode = document.createElement('link');

            cssNode.type = 'text/css';

            cssNode.rel = 'stylesheet';

            cssNode.href = '<%: Url.Content("~/Content/css/index.css")%>';

            cssNode.media = 'screen';

            cssNode.title = 'dynamicLoadedSheet';

            document.getElementsByTagName("head")[0].appendChild(cssNode);

}

function RemovestyleSheets () {

            var styleSheets = document.styleSheets;

            var href = '<%: Url.Content("~/Content/css/index.css")%>';

          

            for (var i = 0; i < styleSheets.length; i++) {

               if (styleSheets[i].href == href) {

                  styleSheets[i].disabled = true;

                    break;

                }

            }

        }

Remove all item from Dropdown list using Jquery

Try this..

$('#DayEnd >option').remove();