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'control' is not declared. it may be inaccessible due to its protection level... inside an AJAX tabpanel'jquery' is not a valid script name. The name must end in '.js'.'Sys' is undefined.'System.Web.UI.Control' does not contain a definition for 'DataItem' and no extension method"OnClientClick" event not firing"The type or namespace name 'AjaxControlToolkit' could not be found in the global namespace (are you missing an assembly reference?" while moving to 3.5A potentially dangerous Request.RawUrl value was detected from the clientA ScriptManager is required on the page to use ASP.NET AJAX Script Components. - errorAccess global resource files in javascript fileAccordion creating space between panesAcessing control in User control from Parent page (javascript)Active tab of TabContainer resets after PostbackAdd a Css Class to Ajax Tab Container In C#Add dynamic text to label in modal popup extenderAdding a Trigger to an UpdatePanel in code behindAfter post back call javascript functionAjax CalendarExtender control (Disable dates in CalendarExtender)Ajax Tab Container Css Styles /ThemesAjax and Response.WriteAjax Calendar Extender Disable Specific Dates using c#.netAjax Calendar Extender OnClientDateSelectionChanged in vb.netAjax CalendarExtender: Date + Time picker controlAjax call not returning success or failure when Controller completesAJAX called twice and success event runs second time.Ajax calling > async Task<ActionResult> but doesn't load the ViewAjax client-side framework failed to loadAjax client-side framework failed to loadAJAX Error - Uncaught SyntaxError: Unexpected identifier at new Function (<anonymous>) at ValidatorOnLoadajax error {"Message":"There was an error processing the request.","StackTrace":"","ExceptionType":""}AJAX Error: Could not load file or assembly 'AjaxControlToolkit' or one of its dependenciesajax installer for VS2005ajax POST returning error function with the correct dataAjax postback or full postbackAjax sending null values to Controller even though I can see the value isn't null in AjaxAjax Session timeout problemAJAX Success event not firingAJAX-CalendarExtender control Previous Date DisableAjax.BeginForm and UpdateTargetId not workingAjaxControlToolkit Built by Runtime Newer than The Currently Loaded RuntimeAjaxControlToolkit CalendarExtender control not workingAjaxcontrolToolkit does not work after deploy to the Windows ServerAjaxControlToolkit is not definedAjaxControlToolkit is not defined from javascript fileAjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced. If you are using an ASP.NET ScriptManager, switch to the ToolkitScriptManager in AjaxControlToolkit.dll.Ajaxcontroltoolkit source code for .Net 4.0 and visual studio 2010AjaxControlToolkit.ToolkitScriptManager is not definedAjaxFileUpload Properties/Sample CodeAjaxFileUpload Upload errorajaxToolkit ComboBox filter by any part of the stringAjaxToolKit MaskedEditExtender backspace and delete in ChromeajaxToolkit:CalendarExtender to capture on click event in code behindajaxToolkit:CalendarExtender - Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).Animated Gif while processing...ASP.NET Ajax client-side Framework failed to loadASP.NET Ajax client-side framework failed to load.asp.net ajax progress barAsyncFileUpload : OnUploadedComplete not firingAsyncFileUpload problemAsyncFileUpload UploadedComplete event does not allow updates to UpdatePanelAsynchronous methods and user controlsAsynchronous Post Back on TextBox TextChangedauto refresh some part of the asp.net pageAuto Reload/Refresh Only Usercontrol NOT whole pageAutoComplete - selection change eventAutocomplete display multiple columnsAutocomplete Issue - Dropdownlist showing up on TOP of my autocompleteextender suggestion list - Z Index?AutoPostBack Controls refresh the page and go to topAutoPostback in Repeater in UpdatePanel is refreshing the pageavoid page refresh on linkbutton clickbinding a bitmap image to asp.net image controlButton click event handler firing twiceButton Click event is not working when i'm placed Required Field Validator on my ajax enabled asp.net formButton click event of button inside a gridview,gridview being inside tabpanel not workingbutton event inside user control is not firingbutton inside updatepanel is not firingCalendar control - disable dates? (calendar extender)Calendar Extender - Changing the displayed monthCalendar Extender and TextBox set to ReadOnly in C#CalendarExtender - DateChange event on the server sideCalendarExtender - set the date on client sideCall c# server-side function using xmlhttprequestCall javascript function with C#Call the ModalPopupExtender from code behindCalling a server side (non static) method from JavaScript. (in ASP.NET 2.0 Application)Can use AJAX to get image file or stream?cc1:CalendarExtender month/year only?Change active tab in Ajax tab container using javascriptChange null Layout to default layout upload image refreshing the pageChanging ASP button text colorchanging date time without page refreshChanging maxJsonLength property in web.config has no effectChanging page without refreshingCharting configuration problem in web.config fileCheck Box OnCheckedChanged not firingCheckbox and AJAX: how to call onClick event methodCheckBox Control in Ajax Update PanelCheckBox inside Updatepanel CheckedChanged Event not firingChecking role in javascriptClear controls in modalpopupClear Textbox Values inside a Modal Popup windowClient-side event on checkbox click?clientWidth and clientHeight always zeroClose iframe from another page in code behindclose ModalPopupExtender using javascriptcomboBox will not allow user to type in it unless dropdown control is first activated by clickControl could not be found for the trigger in UpdatePanelcontrol form submission in parent page when user click on button in popup windowConversion from string to type 'Date' is not valid.convert aspx page into word documentCopying Option Elements from one Dropdown into Another using JavaScriptCould not find any resources appropriate for the specified culture or the neutral culture.Could not find UpdatePanel ... If it is being updated dynamically then it must be inside another UpdatePanelCould not load file or assembly : Web Config errorCould not load file or assembly 'AjaxControlToolkitCould not load file or assembly 'AjaxControlToolkit, Version=4.1.7.1213, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRCould not load file or assembly 'AjaxControlToolkit.....Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. Access is denied.Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. The system cannot find the file specified.Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. There is not enough space on the disk. (Exception from HRESULT: 0x80070070)Could not load file or assembly 'System.Web.ExtensionsCould not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependenciesCould not load file or assembly 'System.Web.Extensions, Version=3.5.0.0Could not load file or assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly referenceCould not load file or assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULTCould not load file or assembly 'System.Windows, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e'Could not load file or assembly 'vjslib, Version=2.0.0.0 .. .\TemplateVSI\TemplateVSI.csprojCould not load file or assembly System.Web.ExtensionsCould not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.Create a PDF file from sql query result in code behind c#CSS in IFrame is not workingCSS with AjaxControlToolkit:ComboBoxCulture name 'en_us' is not supported. Parameter name: nameDatePicker with only month and year (no day)datetime.ToUniversalTime() not working correctly when used inside ajax webservice methoddeploy web service (.asmx) to IISDifference between async:false and async:true in ajaxDisable background aka modal popupDisable page while loadingDisplay Error message in Validationsummary with AjaxDisplaying A String Returned From A Web Service In An AJAX CallDouble postbackDownlaod AJAX ControlToolKit Version 3.5.0.0Download a file using AJAXDownload Ajax DllDownload AJAXControlToolkit fro Visual studio 2010Download: ajaxcontroltoolkit.dllDownloading "ASP.NET AJAX Control Toolkit" for ASP.NET 2.0?downloading a file and updateprogressDynamically adding client-side event handlersElement (control) is not a known element.Enable Disable TextBox using Checkbox eventError 102 Element 'ScriptManager' is not a known element. This can occur if there is a compilation error in the Web site.Error executing child request for handler 'System.Web.UI.Page'.Error handling in webmethoderror in MicrosoftAjax.js: Cannot read property '_notified' of nullError messages in Modal PopupError Sys is Not defined !!!!!Error: "Type 'System.Web.UI.UpdatePanel' is not defined"?Error: ASP.NET Ajax client-side framework failed to load.Error: Cannot access a closed stream.Error: Sys.ArgumentException: Value must not be null for Controls and Behaviors.Error: Sys.WebForms.PageRequestManagerTimeoutException: The server request timed out.Error: The WebResource.axd handler must be registered in the configuration to process this request.Excel Export not working in UpdatepanelException "Specified value has invalid Control characters." with querystring parameter value €€€Exception::System.Net.WebException: The request failed with HTTP status 401: Unauthorized [:'(]Expand/Collapse a Div based on a dropdownlist selectionExport my table data to PDf in Asp.netExtender controls must be registered using RegisterExtenderControl() before calling RegisterScriptDescriptors()Failed to load resource: the server responded with a status of 404 (Not Found)Failed to load resource: the server responded with a status of 500 (Internal Server Error)File Upload - have to pick twiceFile Upload Control is not working in Update PanelFileUpload and UpdatePanel: FileUpload.HasFile is always FALSE.FileUpload refresh problemFiltering Distinct using DataViewget 500 Internal Server Error in pass data with $.ajax andget file name and path from dropzoneGet selected date of ajax calendar extender controlGet server root path (~/)get textBox value using ajaxGetting a label value using jquery.Getting data as list from a controller using jquery or ajax (instead of json)Getting data without refreshing the page - can .Net make this easier?Getting date AND time from Calendar ExtenderGetting error DataTables warning: table id=example- Cannot reinitialise DataTable.Getting Started with Script Manager and UpdatePanelGetting the ClientID of ASP.NET server controls in external .js filesGreyed Out Toolbox.Gridview in Modal Popup not displayinggridview is not a know elementGridView Paging not working inside UpdatePanelGridview row Onclick event on Modal Popup to change value of TextboxGridview's SelectedIndexChanged Event handler no longer works after Gridview added to Ajax Update Panel.Handling ajax call errors (404, 500, etc.)Handling text changed in text box control using AjaxHave to click button twice before event will fire!Help deserializing JSON object with List<> objects.Hi Dictionary<string,string > to DatatableHiding WebMethodsHow auto refresh page but with new dataHow can i disable the past dates and 5 future date ?How can i use xmlhttp to request a https urlHow can you raise server side event from client sideHow do I build a pdf file/blob from byte[] via a AJAX / REST callHow do to RegisterStartupScript that works in both a partial postback and a postbackHow do you stop an AJAX web service from keeping a session alive?How to add antiforgery token for AJAX call in MVC applicationhow to allow web application to display error message on remote IIS Server?How to Auto refresh Content inside update PanelHow to avoid page refresh on radiobutton list selected index changedhow to avoid page refresh on selecting the dropdownlistHow to avoid server error 500How to bind a GridView in a static WebMethod?How to Bind GridView using JavaScriptHow to call a javascript function from a server side c# thread.How to call a Javascript function in timer Tick eventHow to call C#.NET dll from javascripthow to call javascript function on onclientclick event of button resides in modalpopupHow to call master page javscript function with script manager in master page in the child pageHow to call server side function on client sidehow to call user control server side method from javascriptHow to call web service method from aspx page.how to change image src of div from ajaxHow to change tab panel of tab container programmatically on linkbutton click?How to change the Content Type to Json???How to Close Modal popup from another page which is inside an iframehow to convert an object of Item to an dictionary not idictionary in c#how to convert svg image to base64 string using c#how to create a countdown timer using C# and ASP.NET AJAX ?How to create Dynamic Modal Dialog?How to disable future dateHow to disable past date in ajax control toolkit calendar extenderHow to disable previous date from the current date in CalenderExtender AjaxControlHow to disable Refresh button on Browser.how to download ajax toolkit for visual studio 2008how to extract value from xmlHttp.ResponseText;How to fix a Sys.WebForms.PageRequestManagerParserError in page with UpdatePanel?How to freeze the background page when modal popup window calledHow to freeze the gridview header while scrolling.How to get Ajax values in C#How to get HtmlEditor (html text) value?How to get page controls in WebMethod ? - ASP.Net 2.0How to give javascript onclick event to an aspdotnet treeview parent node even it has server side event?how to import Web Reference from another Web Projecthow to maintain scroll position with UpdatePanelhow to make textchanged event works when textbox place in update panel?How to move ScriptResource.axd and WebResource.axd code to .js fileHow to open Popup window from gridview edit button.How to pass these parameters in PostmanHow to pass value from HTML control to code behind without runat=”server” tagHow to perform server-side event and close modalPopup with 1 button click?How to read files from another serverHow to refresh controls placed outside an update panel?How to refresh gridview's content without reloading page?How to register AjaxControlToolkit at web.config file?How to resolve "Sys.WebForms.PageRequestManagerParserErrorException" issueHow to retrieve textbox values from UpdatePanelHow to select year only from Calendar ExtenderHow to send data from a controller method to a modal popup in razorHow to send data to client without requestHow to send parameters to the AJAX callback functionHow to set focus in Modal Popup Extender?how to set size limit for ajaxfileuploadHow to set tabindex in modal popupHow to set the JSON encoding to windows-1252How to set timeout param to avoid http timeout error in AJAX?How to Show a ModalPopupExtender triggered by a GridView Button from server-side code?how to show and hide a modal popup extender on conditional basishow to show modalpopup on gridview's button click eventHow to show spinner image while retrieving dataHow To Show Try Catch Error MessageHow to stop modal popup from flickering during postbackHow to Stretch Background Image in ASP.NET PanelHow to trigger full postback within updatepanel.how to use request.querystring in a web service methodhow to use scriptmanager.RegisterClientScriptBlock with confirm message and condition?how to validate calender extender to not select future date?How to you setup a CollapsiblePanelExtender?HttpPostedFileBase is NULL in controller Not Receiving the File Name!!HTTPS 413: The page was not displayed because the request entity is too large.HttpWebRequest to a page with ScriptManagerhyperlink and modal pop upif (typeof(Sys) === 'undefined') throw new Error('ASP.NET Ajax client-side framework failed to load.');IIS Setup for ASP.NET AJAX?ImageButton.Enabled=false, I want to set a gray effect to the button then, so it looks disabled as wellInfinite Scrolling Using JQuery Ajax MVC C#Installing Ajax extensionsIs Ajax resource files are needed or AjaxControlToolkit.dll alone in my web app?is KeyPress Event possible ( dropdown List in webforms) ?????Javascript Alert after closing a modalpopupJavaScript inside an UpdatePanelJavascript runtime error: Sys is undefinedJavaScriptSerializer - Invalid JSON primitive: object.jquery's ajax call returns undefined objectjson object serialization - enums serialize as numbers instead of strings??JSON Serialization of Dictionary<> problemKill session when we try to close the browser without logging out in all possible waysLink button in gridview causing full postbackLinkbutton within a ListView that is within an UpdatePanel causes full Postback instead of AsyncPostBackLoading aspx page with in div tagLoading data into DropdownList while Modalpopup window show up?Locating source for 'f:\dd\ndp\fx\src\WinForms\Managed\System\WinForms\DataGridViewColumn.cs'Losing focus after AutoPostBack in UpdatePanelMaintain Scroll Position in Modal Popup <DIV>Maintain scroll position of a DIV over a callbackMaking a GridView InvisibleMaskedEditExtender and Phone NumbersMASKEDEDITEXTENDER control need to validate dd/MM/yyyy format onlyMaskedEditExtender problem in Google Chrome: Delete and Backspace keys don't workMicrosoft ASP.NET 2.0 AJAX Extensions 1.0 Setup Wizard ended prematurelyMissing 'System.Web.Script.Services' Namespace?modal popup and background page not grayed out.Modal Popup closes on PostbackModal Popup closing on any button clickModal Popup disappears on any post backmodal popup extender background cssModal popup extender background on window resizeModal Popup Extender server side Show() does not workmodal popup hidden behind iframemodal popup when a button clicked and redirect to other page after 5 sec or button clickedModal Popup won't closemodalPopupModalPopup and UpdatePanel - how to handle the partial postback?Modalpopup disappears when I clicked submit buttonModalPopup with scrollbars?ModalPopupExtender - simulate OnShow eventModalPopupExtender and BehaviorIDModalPopupExtender on Chrome is not behaving properly.ModalPopupExtender with AutoPostBack DropDownListMS Ajax obsolete?Multiple ajax call not responding at same timeMultiple controls with the same ID '_header' were found. FindControl requires that controls have unique IDs.need to create horizontal and vertcal scroll bar in popup windowNot working ClientScript.RegisterStartupScript with Update PanelOnly one <configSections> element allowed per config file and if present must be the first child of the root <configuration> elementOnly one instance of a ScriptManager can be added to the pageOpen Modal popup and keep the radio button selected - How to do?Page Reload when clicking a button in an UpdatePanelpageLoad() javascript functionPageRequestManagerServerErrorException (Status Code: 413)pass optional parameters to webservicePassing dropdown selected value to controller using ajax callPassing Json Object to codebehind in c#passing null into datetime.parseexactPositioning an autocompleteextender list in relation to its target controlPostback Still happening with UpdatePanel for Checkbox event inside item template - GridViewPreloader in IframePrevent full page refresh during postbackProblem - Dropdownlist with c# code ,the page refresh problemProblem with calling WebForm_DoPostBackWithOptions from javascriptProblem with Modal Window and IframeProgrammatically adding ASP.net User Control to Partial Page Update / UpdatePanelProgress Bar with Percentage or statusProgress Indicator using UpdatePanelRedirect to login modal popup instead of login page in Forms Authenticationrefresh captcha image without full postbackRefresh dropDownList ONLY, not whole pagerefresh only part of page whit tabsRefresh Update Panel every 60 secondsRegisterStartupScript and UpdatePanel - Execute JS Function after postbackRegular Expression Validator for a Decimal valueRemoving Toolkit leads to MsAjaxBundle is not a valid script nameReportViewer inside UpdatePanel not workingrequiredfieldvalidator works but does not show error messageresponse.redirect cannot be called in a callback callResponse.Redirect cannot be called in a page callback error message.Response.write is not working inside of update panelreturn more than one value with ajax in web methodReturn of false for onkeypress event no longer blocks inputReturn to View after ajax post to controllerRound Off To Nearest 10 in RDLCRun a javascript function after UpdatePanel.Update()Run js inside UpdatePanelRun Update Panel on Page LoadScript control is not a registered script controlScript Manager Time Out ErrorScriptManager - Confirm message boxScriptManager and RegisterStartupScript to pop-up alertScriptManager suddenly causes Sys.ParameterCountException: Parameter count mismatchScriptManager.RegisterStartupScript is not working after post backScriptResource.axd file errorSelected value of Radio button list is not postbacking after use of Update Panel.Send jsonArray to method MVC controllerSending multiple parameters to AutoComplete extender in asp.net using web methodServer Response Error: 'Unknown Server error' for async file upload controlsession lost with window.location.hrefSession variable set to null between web service method callsSet Calendar Extender's SelectedDate="<%=DateTime%>"Set focus on drop down listSet Focus on Textbox in modalPopup PanelSet GridView asp:ButtonField as Trigger in UpdatePanelSet Min and Max Date in CalendarExtendershow image on onmouseover (without page refresh)show modal dialog from code behind?Show Month and Year, Hide days onlyShow UpdateProgress from javascriptStarnge error: There was an error processing the request.Sys.Application.add_initSys.ArgumentNullException: Value cannot be null.Sys.InvalidOperationException: Could not find UpdatePanel... on ascx.pageSys.WebForms.PageRequestManager is null or not an objectSys.WebForms.PageRequestManager.getInstance().add_endRequest not workingSys.WebForms.PageRequestManagerParserErrorException:Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed.Sys.Webforms.PageRequestManagerServerErrorException actual cause (related RoleManager issue)Sys.WebForms.PageRequestManagerServerErrorException ErrorSys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500Sys.WebForms.PageRequestManagerTimeoutExceptionSys.WebForms.PageRequestManagerTimeoutException: The server request timed out.System.InvalidOperationException: No web service found at: /SnCoreWeb/ScriptServices.asmxSystem.IO.IOException: Unable to read data from the transport connectionSystem.OutOfMemoryException using linq C#Textbox Textchanged event is not firing when textbox is inside updatepanelTextbox onchange event?The message received from the server could not be parsedThe page is performing an async postback but the ScriptManager.SupportsPartialRendering property is set to false. Ensure that the property is set to true during an async postbackThe required anti-forgery form field "__RequestVerificationToken" is not present.The status code returned from the server was: 12029the status code returned from the server was: 12030The status code returned from the server was: 12031The status code returned from the server was: 12031The status code returned from the server was: 500The type or namespace name 'AjaxControlToolkit' could not be found in the global namespace (are you missing an assembly reference?)The type or namespace name 'ScriptManager' does not exist in the namespace 'System.Web.UI' (are you missing an assembly reference?)The Update method can only be called on UpdatePanel with ID 'UpdatePanel1' before Renderthis._form is null javascript error with ScriptmanagerTimer Control Refreshing PageTrigger Event added to Dynamic LinkButton Click eventTrigger update panel from gridviewType 'AjaxControlToolkit.ModalPopupExtender' is not definedType 'System.Web.UI.ScriptManager' does not have a public property named 'UpdatePanel'.Type 'System.Web.UI.ScriptManager' is not definedType 'System.Web.UI.UpdatePanel' does not have a public property named 'DetailsView'Unable to get property 'webServiceFailedNoMsg' of undefined or null referenceUncaught RangeError: Maximum call stack size exceeded error will occur in the time of sending the array data from view to controlleruncaught reference error:pagemethods are not definedUnknown server tagUnknown server tag 'ajaxToolkit:'Unknown server tag 'ajaxToolkit:ToolkitScriptManager'unknown server tag modalpopupextenderUnrecognized tag prefix or device filter "ajaxtoolkit"Update Label outside update panelUpdate Label text - using UpdateProgressupdate panel + postback trigger problemUpdate panel is not workingUpdate Panel not updating despite of clicking the buttons assigned to triggersUpdate panel not working for drop down listUpdate panel not working with Content-Security-Policy in webconfigUpdate Panel Refreshing whole Page?Update Panel Scrolling IssueUpdate Panel trigger buttonUpdate pannel trigger errorUpdate Partial view using AJAXUpdate progress bar not working with postbacktriggerUpdate Progress show on Ajax Full Postback TriggerUpdatePanel + FileUpload + PostBackTrigger doesn't seem to workupdatepanel and client-side eventsUpdatePanel and Response.RedirectUpdatePanel and triggers from a repeater controlUpdatePanel and triggers problem: not firing events?UpdatePanel does not update when triggered by GridViewUpdatePanel Problem. Javascript not firing after asyncronous postbackUpdatePanel triggered by DropdownList ....UpdatePanel: __doPostBack('MyControl.ClientID') does not cause partial postback...why?UpdatePanel: what is the purpose of PostBackTrigger?Updating charts with $.ajaxUpdating UpdatePanel from User ControlUsing AJAX Control Toolkit:TabContainer not displaying contents of the PanelUsing AJAX toolkit with .NET Framework 3.5using MVC and Ajax on checkbox from list Change select other checkboxesUsing ScriptManager or ToolkitScriptManager with ASP.NET 3.5 AJAX WebsiteUsing Timer and Update Panel to update a labelvb.net web servicewont return json even when ResponseFormat is set to JsonViewstate verification failed. Reason: The viewstate supplied failed integrity check. / Viewstate verification failed. Reason: Viewstate was invalid.Vulnerabilities in MicrosoftAjaxWait for AJAX request to finish in javascriptWebMethod in vb.netWebService returns XML even when ResponseFormat set to JSONWhat are the Causes of 500 Internal Server ErrorWhat Is An AXD file?What is the main purpose of UpdateMode in UpdatePanel ?What's Sys.WebForms.PageRequestManager？Where is ASPAJAXExtSetup.msiWhere is the location of AjaxControlToolKit.dll?Where to download Microsoft.web.extensions.dllWhy is HttpContext.Current.Server.MapPath invalid in a asynchronous function?Why is not this added <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>Why is Sys.Application raised when refreshing the whole page INSTEAD OF refreshing partial page？Why to click button twice to for post asp.netwindow.open not working with ScriptManager.RegisterStartupScriptwindow.open using scriptmanager.RegisterStartUpScriptWindows Authentication with Ajax and JqueryXMLHttpRequest open method gives permission denied error.