asp.net-ajax

问题 One of my QA Team just discovered the following: If you hit ESC twice when on a page containing an update panel with a control inside, if you click on anything else that does a postback, you'll get a System.ArgumentException: Invalid postback or callback argument. Event validation is enabled using [...] error. I would like to know more about the default behaviour of the ESC key. And might be interested in hooking up to the event to fire something else when that happens. Message: Sys.WebForms

问题 I am fairly new to MVC and just trying to achieve something which I think shouldn't be too complicated to achieve. Just want to know what the best approach for that is. I have an Event-RSVP application (NerdDinner kind) where you go to view details of the event and then click on an AJAX link that will RSVP you for the event. <% if (Model.HasRSVP(Context.User.Identity.Name)) { %> <p> You are registered for this event!  <%: Ajax.ActionLink("Click here if you can't make it!", "CancelRegistration

问题 I have a jQuery DataTable configured for server-side processing against an ASP.NET MVC server. To achieve progressive enhancement, an HTML table is rendered, and then upgraded to a DataTable. When the DataTable makes an AJAX call to retrieve more data, it expects elements of the returned JSON to correlate with the existing table-column layout. This seems to cause some architectural friction, because: During initial page rendering: The Controller transforms database data into DTOs and

问题 I'm running Windows 7 - x64 Edition with IIS 7.5 I have a simple asp.net website that i've run on other versions of windows and IIS but now, on SOME pages it gives me the following error Exception information: Exception type: HttpParseException Exception message: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Stack trace: at System.Web.UI.TemplateParser.ProcessException(Exception ex) at

问题 We are replacing older grid with JQGrid. We want to bind grid from code behind including ColModel and ColNames . Column names and column model will be decided run time. We tried out non-working: Using HttpHandler + jQuery Ajax Using WebMethods + jQuery Ajax There is not a single working application on internet. Can anyone help out? System: ASPX web form which load list of records from backend. We used all the options provided here on Stackoverflow, but no luck. 回答1: I have recently

问题 We are replacing older grid with JQGrid. We want to bind grid from code behind including ColModel and ColNames . Column names and column model will be decided run time. We tried out non-working: Using HttpHandler + jQuery Ajax Using WebMethods + jQuery Ajax There is not a single working application on internet. Can anyone help out? System: ASPX web form which load list of records from backend. We used all the options provided here on Stackoverflow, but no luck. 回答1: I have recently

问题 The full error is The base class includes the field 'ScriptManager1', but its type (System.Web.UI.ScriptManager) is not compatible with the type of control (System.Web.UI.ScriptManager). Anyone else come across this error? 回答1: I managed to fix it by adding this to web.config: <runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/> <bindingRedirect oldVersion="1.0.0.0-1.1.0.0"

问题 I am working with ASP.NET MVC and have a view page with a simple text box and button to accompany it. I want AJAX to submit the form when the user clicks the search button. The response (search results) will be returned and displayed in a content div on the same page. I have done this successfully with JQuery, but I need the same functionality in ExtJS. Here is the JQuery (the form id is #helpsearchbox and #helpcontent is the id of the content div I want the results to be loaded into): $

问题 How to pass Editor1 as Parameter: In my aspx.cs i am giving a call to a function which is in .cs file for the same project, as follows: protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e) { DropDown abs = new DropDown(); abs.dd(this.DropDownList2, this.DropDownList3); } .CS file code public void dd(DropDownList DropDownList2, DropDownList DropDownList3) { //My code which contains DropDownList2 DropDownList3 and Editor1 } The error that i am getting is: Error 1 The

问题 I have a jQuery function called loadPosts which accepts three parameters, skip, take and container. Skip tells the MVC Json call how many posts to skip, take indicates the number of posts to take and container is the element that the posts are written to. function loadPosts(skip, take, container) { $.ajax({ url: '/Ajax/LoadPosts', type: 'POST', dataType: 'json', data: { skip: skip, take: take }, success: function (posts) { if (posts == null) { return; } var items = ''; $.each(posts, function