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  • Use ckeditor for enter Message in ASP.net and LINQ to SQL

    - by mohammad reza
    hi I want to use Ckeditor for Entering text and I want to save that text in Database,but when I Write the text in editor and I want to save it in database this error appeared . A potentially dangerous Request.Form value was detected from the client (editor1=" this is my code : M.Body = editor1.Value; my feild that I want to save the text is Body and I use LINQ to SQL for relation with database . How do I can save text in database whit this editor ?

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  • ASP.Net FormsAuthentication Redirect Loses the cookie between Redirect and Application_AuthenticateR

    - by Joel Etherton
    I have a FormsAuthentication cookie that is persistent and works independently in a development, test, and production environment. I have a user that can authenticate, the user object is created, the authentication cookie is added to the response: 'Custom object to grab the TLD from the url authCookie.Domain = myTicketModule.GetTopLevelDomain(Request.ServerVariables("HTTP_HOST")) FormsAuthentication.SetAuthCookie(authTicket.Name, False) Response.SetCookie(authCookie) The user gets processed a little bit to check for a first time login, security questions, etc, and is then redirected with the following tidbit: Session.Add("ForceRedirect", "/FirstTimeLogin.aspx") Response.Redirect("~/FirstTimeLogin.aspx", True) With a debug break, I can verify that the cookie collection holds both a cookie not related to authentication that I set for a different purpose and the formsauthentication cookie. Then the next step in the process occurs at the ApplicationAuthenticateRequest in the global.asax: Sub Application_AuthenticateRequest(ByVal sender As Object, ByVal e As EventArgs) Dim formsCookieName As String = myConfigurationManager.AppSettings("FormsCookieName") Dim authCookie As HttpCookie = Request.Cookies(formsCookieName) At this point, for this ONE user authCookie is nothing. I have 15,000 other users who are not impacted in this manner. However, for one user the cookie just vanishes without a trace. I've seen this before with w3wp.exe exceptions, state server exceptions and other IIS process related exceptions, but I'm getting no exceptions in the event log. w3wp.exe is not crashing, the state server has some timeouts but they appear unrelated (as verified by timestamps) and it only happens to this one user on this one domain (this code is used across 2 different TLDs with approximately 10 other subdomains). One avenue I'm investigating is that the cookie might just be too large. I would think that there would be a check for the size of the cookie going into the response, and I wouldn't think it would impact it this way. Any ideas why the request might dumping the cookie? NOTE: The secondary cookie I mentioned that I set also gets dumped (and it's very tiny). EDIT-NOTE: The session token is NOT lost when this happens. However, since the authentication cookie is lost, it is ignored and replaced on a subsequent login.

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  • How can I add an item to a SelectList in ASP.net MVC

    - by Barrigon
    Basically I am looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" Something like SelectList list = new SelectList(repository.func.ToList()); ListItem li = new ListItem(value, value); list.items.add(li); Can this be done? Cheers

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  • ASP.NET MVC Pass mutiple params from getJson to controller

    - by andyJ
    Hi, I am making a call to a controller action in javascript using the getJson method. I need to pass two parameters to my action method on the controller, but I am struggling to do so. I do not fully understand the routing tables and not sure if this is what I need to use to get this working. Please see example below of what I am trying to do. var action = "<%=Url.Content('~/Postcode/GetAddressResults/')%>" + $get("Premise").value + "/" + $get("SearchPostcode").value $.getJSON(action, null, function(data) { $("#AddressDropDown").fillSelect(data); }); This is my route which I don't understand how to make use of... routes.MapRoute( "postcode", "Postcode/GetAddressResults/{premise}/{postcode}", new { controller = "Motor", action = "GetAddressResults", premise = "", postcode = "" });

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  • Asp.net MVC2 Custom jquery validation: client -side

    - by Lullaby
    Hi. I want to create a validation rule for 2 date-pickers (startDate less then endDate). I create a validation attribute: [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = true)] public sealed class DateCompareAttribute : ValidationAttribute { private const string _defaultErrorMessage = "'{0}' is less then '{1}'."; public DateCompareAttribute(string startDateProperty, string endDateProperty) : base(_defaultErrorMessage) { StartDateProperty = startDateProperty; EndDateProperty = endDateProperty; } public string StartDateProperty { get; private set; } public string EndDateProperty { get; private set; } public override string FormatErrorMessage(string name) { return String.Format(CultureInfo.CurrentUICulture, ErrorMessageString, StartDateProperty, EndDateProperty); } public override bool IsValid(object value) { PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(value); object startValue = properties.Find(StartDateProperty, true).GetValue(value); object endValue = properties.Find(EndDateProperty, true).GetValue(value); if (startValue.GetType() == typeof(DateTime?) && endValue.GetType() == typeof(DateTime?)) { var start = ((DateTime?)startValue); var end = ((DateTime?)endValue); return (start.Value < end.Value); } return false; } } and added ti to my Dto: [DateCompare("StartDate", "EndDate")] public class QualificationInput{...} I created a validator: public class DateCompareValidator : DataAnnotationsModelValidator { string startField; private string endField; string _message; public DateCompareValidator(ModelMetadata metadata, ControllerContext context , DateCompareAttribute attribute) : base(metadata, context, attribute) { startField = attribute.StartDateProperty; endField = attribute.EndDateProperty; _message = attribute.ErrorMessage; } public override IEnumerable<ModelClientValidationRule> GetClientValidationRules() { var rule = new ModelClientValidationRule { ErrorMessage = _message, ValidationType = "dateCompare" }; rule.ValidationParameters.Add("startField", startField); rule.ValidationParameters.Add("endField", endField); return new[] { rule }; } } And registered it in Global.asax.cs in Application_Start(): DataAnnotationsModelValidatorProvider .RegisterAdapter(typeof(DateCompareAttribute), typeof(DateCompareValidator)); In MicrosoftMvcJQueryValidation.js I have made this changes: switch (thisRule.ValidationType) { ..... case "dateCompare": __MVC_ApplyValidator_DateCompare(rulesObj, thisRule.ValidationParameters["startField"], thisRule.ValidationParameters["endField"]); break; ..... } .... function __MVC_ApplyValidator_DateCompare(object, startField, endField) { object["startField"] = startField; object["endField"] = endField; } jQuery.validator.addMethod("dateCompare", function(value, element, params) { if ($('#' + params["startField"]).val() < $('#' + params["endField"]).val()) { return true; } return false; }, jQuery.format("Error")); But it doesn't work :( no client side validation on this type of rule (the others type like required works fine) What I'm doing wrong?

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  • Asp.Net GridView in DropDownList in-line databind

    - by oraclee
    Hi All; <asp:GridView ID="GridView1" runat="server"> <Columns> <asp:TemplateField> <EditItemTemplate> <asp:DropDownList ID="DropDownList1" runat="server"> </asp:DropDownList> </EditItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { } How To Make GridView1_RowEditing event in DataBind DropDownList1 ? I need Editing databind dropdownlist pls Help Thank You.

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  • asp.net mvc making ajax call jason

    - by mazhar kaunain baig
    Controller: public ActionResult EditOrganizationMeta(int id) { } [HttpPost] [ValidateInput(false)] public ActionResult EditOrganizationMeta(FormCollection collection) { } View: function DoAjaxCall() { var url = '<%= Url.Action("EditOrganizationMeta", "Organization") %>'; //url = url + '/' + dd; $.post(url, null, function(data) { alert(data); }); } <input type="button" name="something" value="Save" onclick="DoAjaxCall()" /> how would i make the ajax call , i have basically two functions with the same name EditOrganizationMeta,Do the form collection will be passed automatically.Basic confusion is regarding the method call Ok i made a call by ajax but after that My This code is not running anymore [HttpPost] [ValidateInput(false)] public ActionResult EditOrganizationMeta(FormCollection collection) { int OrganizationId = 11; string OrganizationName = "Ministry of Interior"; try { string ids = Request.Params // **getting error here some sequence is not there** .Cast<string>() .Where(p => p.StartsWith("button")) .Select(p => p.Substring("button".Length)) .First(); String RealValueOfThatControl = collection[ids]; } } catch { } return RedirectToAction("EditOrganizationMeta", new { id = OrganizationId }); } I think that there is no post

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  • ASP.NET MVC 2: Updating a Linq-To-Sql Entity with an EntitySet

    - by Simon
    I have a Linq to Sql Entity which has an EntitySet. In my View I display the Entity with it's properties plus an editable list for the child entites. The user can dynamically add and delete those child entities. The DefaultModelBinder works fine so far, it correctly binds the child entites. Now my problem is that I just can't get Linq To Sql to delete the deleted child entities, it will happily add new ones but not delete the deleted ones. I have enabled cascade deleting in the foreign key relationship, and the Linq To Sql designer added the "DeleteOnNull=true" attribute to the foreign key relationships. If I manually delete a child entity like this: myObject.Childs.Remove(child); context.SubmitChanges(); This will delete the child record from the DB. But I can't get it to work for a model binded object. I tried the following: // this does nothing public ActionResult Update(int id, MyObject obj) // obj now has 4 child entities { var obj2 = _repository.GetObj(id); // obj2 has 6 child entities if(TryUpdateModel(obj2)) //it sucessfully updates obj2 and its childs { _repository.SubmitChanges(); // nothing happens, records stay in DB } else ..... return RedirectToAction("List"); } and this throws an InvalidOperationException, I have a german OS so I'm not exactly sure what the error message is in english, but it says something along the lines of that the entity needs a Version (Timestamp row?) or no update check policies. I have set UpdateCheck="Never" to every column except the primary key column. public ActionResult Update(MyObject obj) { _repository.MyObjectTable.Attach(obj, true); _repository.SubmitChanges(); // never gets here, exception at attach } I've read alot about similar "problems" with Linq To Sql, but it seems most of those "problems" are actually by design. So am I right in my assumption that this doesn't work like I expect it to work? Do I really have to manually iterate through the child entities and delete, update and insert them manually? For such a simple object this may work, but I plan to create more complex objects with nested EntitySets and so on. This is just a test to see what works and what not. So far I'm disappointed with Linq To Sql (maybe I just don't get it). Would be the Entity Framework or NHibernate a better choice for this scenario? Or would I run into the same problem?

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  • ASP.NET MVC validation problem

    - by ile
    ArticleRepostitory.cs: using System; using System.Collections.Generic; using System.Linq; using System.Web; using CMS.Model; using System.Web.Mvc; namespace CMS.Models { public class ArticleDisplay { public ArticleDisplay() { } public int CategoryID { set; get; } public string CategoryTitle { set; get; } public int ArticleID { set; get; } public string ArticleTitle { set; get; } public DateTime ArticleDate; public string ArticleContent { set; get; } } public class ArticleRepository { private DB db = new DB(); // // Query Methods public IQueryable<ArticleDisplay> FindAllArticles() { var result = from category in db.ArticleCategories join article in db.Articles on category.CategoryID equals article.CategoryID select new ArticleDisplay { CategoryID = category.CategoryID, CategoryTitle = category.Title, ArticleID = article.ArticleID, ArticleTitle = article.Title, ArticleDate = article.Date, ArticleContent = article.Content }; return result; } public IQueryable<ArticleDisplay> FindTodayArticles() { var result = from category in db.ArticleCategories join article in db.Articles on category.CategoryID equals article.CategoryID where article.Date == DateTime.Today select new ArticleDisplay { CategoryID = category.CategoryID, CategoryTitle = category.Title, ArticleID = article.ArticleID, ArticleTitle = article.Title, ArticleDate = article.Date, ArticleContent = article.Content }; return result; } public Article GetArticle(int id) { return db.Articles.SingleOrDefault(d => d.ArticleID == id); } public IQueryable<ArticleDisplay> DetailsArticle(int id) { var result = from category in db.ArticleCategories join article in db.Articles on category.CategoryID equals article.CategoryID where id == article.ArticleID select new ArticleDisplay { CategoryID = category.CategoryID, CategoryTitle = category.Title, ArticleID = article.ArticleID, ArticleTitle = article.Title, ArticleDate = article.Date, ArticleContent = article.Content }; return result; } // // Insert/Delete Methods public void Add(Article article) { db.Articles.InsertOnSubmit(article); } public void Delete(Article article) { db.Articles.DeleteOnSubmit(article); } // // Persistence public void Save() { db.SubmitChanges(); } } } ArticleController.cs: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.Web.Mvc.Ajax; using CMS.Models; using CMS.Model; namespace CMS.Controllers { public class ArticleController : Controller { ArticleRepository articleRepository = new ArticleRepository(); ArticleCategoryRepository articleCategoryRepository = new ArticleCategoryRepository(); // // GET: /Article/ public ActionResult Index() { var allArticles = articleRepository.FindAllArticles().ToList(); return View(allArticles); } // // GET: /Article/Details/5 public ActionResult Details(int id) { var article = articleRepository.DetailsArticle(id).Single(); if (article == null) return View("NotFound"); return View(article); } // // GET: /Article/Create public ActionResult Create() { ViewData["categories"] = new SelectList ( articleCategoryRepository.FindAllCategories().ToList(), "CategoryId", "Title" ); Article article = new Article() { Date = DateTime.Now, CategoryID = 1 }; return View(article); } // // POST: /Article/Create [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(Article article) { if (ModelState.IsValid) { try { // TODO: Add insert logic here articleRepository.Add(article); articleRepository.Save(); return RedirectToAction("Index"); } catch { return View(article); } } else { return View(article); } } // // GET: /Article/Edit/5 public ActionResult Edit(int id) { ViewData["categories"] = new SelectList ( articleCategoryRepository.FindAllCategories().ToList(), "CategoryId", "Title" ); var article = articleRepository.GetArticle(id); return View(article); } // // POST: /Article/Edit/5 [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(int id, FormCollection collection) { Article article = articleRepository.GetArticle(id); try { // TODO: Add update logic here UpdateModel(article, collection.ToValueProvider()); articleRepository.Save(); return RedirectToAction("Details", new { id = article.ArticleID }); } catch { return View(article); } } // // HTTP GET: /Article/Delete/1 public ActionResult Delete(int id) { Article article = articleRepository.GetArticle(id); if (article == null) return View("NotFound"); else return View(article); } // // HTTP POST: /Article/Delete/1 [AcceptVerbs(HttpVerbs.Post)] public ActionResult Delete(int id, string confirmButton) { Article article = articleRepository.GetArticle(id); if (article == null) return View("NotFound"); articleRepository.Delete(article); articleRepository.Save(); return View("Deleted"); } } } View/Article/Create.aspx: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<CMS.Model.Article>" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> Create </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>Create</h2> <%= Html.ValidationSummary("Create was unsuccessful. Please correct the errors and try again.") %> <% using (Html.BeginForm()) {%> <fieldset> <legend>Fields</legend> <p> <label for="Title">Title:</label> <%= Html.TextBox("Title") %> <%= Html.ValidationMessage("Title", "*") %> </p> <p> <label for="Content">Content:</label> <%= Html.TextArea("Content", new { id = "Content" })%> <%= Html.ValidationMessage("Content", "*")%> </p> <p> <label for="Date">Date:</label> <%= Html.TextBox("Date") %> <%= Html.ValidationMessage("Date", "*") %> </p> <p> <label for="CategoryID">Category:</label> <%= Html.DropDownList("CategoryId", (IEnumerable<SelectListItem>)ViewData["categories"])%> </p> <p> <input type="submit" value="Create" /> </p> </fieldset> <% } %> <div> <%=Html.ActionLink("Back to List", "Index") %> </div> </asp:Content> If I remove DropDownList from .aspx file then validation (on date only because no other validation exists) works, but of course I can't create new article because one value is missing. If I leave dropdownlist and try to insert wrong date I get following error: System.InvalidOperationException: The ViewData item with the key 'CategoryId' is of type 'System.Int32' but needs to be of type 'IEnumerable'. If I enter correct date than the article is properly inserted. There's one other thing that's confusing me... For example, if I try manually add the categoyID: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(Article article) { if (ModelState.IsValid) { try { // TODO: Add insert logic here // Manually add category value article.CategoryID = 1; articleRepository.Add(article); articleRepository.Save(); return RedirectToAction("Index"); } catch { return View(article); } } else { return View(article); } } ..I also get the above error. There's one other thing I noticed. If I add partial class Article, when returning to articleRepository.cs I get error that 'Article' is an ambiguous reference between 'CMS.Models.Article' and 'CMS.Model.Article' Any thoughts on this one?

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  • [.NET Performance Counter] "System.ComponentModel.Win32Exception: Access is denied" is thrown when c

    - by Ricky
    Hi guys: Calling PerformanceCounterCategory.Create() below on my machine thorws out this exception: System.ComponentModel.Win32Exception: Access is denied Do you know what's the issue about it? Thank you! if (!PerformanceCounterCategory.Exists("MyCategory")) { CounterCreationDataCollection counters = new CounterCreationDataCollection(); CounterCreationData avgDurationBase = new CounterCreationData(); avgDurationBase.CounterName = "average time per operation base"; avgDurationBase.CounterHelp = "Average duration per operation execution base"; avgDurationBase.CounterType = PerformanceCounterType.AverageBase; counters.Add(avgDurationBase); // create new category with the counters above PerformanceCounterCategory.Create("MyCategory", "Sample category for Codeproject", PerformanceCounterCategoryType.SingleInstance, counters); }

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  • asp.net RenderControl and html

    - by kusanagi
    i use such code protected override void Render(System.Web.UI.HtmlTextWriter writer) { writer.AddAttribute("class", "dd0"); if (!String.IsNullOrEmpty(this.LiLeftMargin)) { writer.AddAttribute("style", string.Format("margin-left: {0}px", this.LiLeftMargin)); } writer.RenderBeginTag("li"); writer.AddAttribute("id", "dt1"); writer.RenderBeginTag("div"); writer.AddAttribute("class", "ddlink"); this.HyperLink.RenderControl(writer);//i wand that render html <b>name</b> writer.RenderEndTag(); writer.RenderEndTag(); } my HyperLink name contain html tags, like <b>name</b> but it render like this &lt;B&gt;name how can i make text bold (tagn not ekraned)

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  • ASP.NET MVC DropDownList Validation

    - by Andrew Florko
    Hello everybody, I have [DisplayName("Country")] public List<SelectListItem> Countries { get; set; } property in Model class for DropDownList. When I try to check if the ModelState.IsValid on form postback it's always false & error for Countries tells "Can't convert [value] to SelectListItem" or some of a kind. I figured out there is no straight-forward mapping for drop down selected value (looks like I'll have to read value from Form value collection), but how can I ignore binding and validation for List property? I just want to make ModelState.IsValid attribute to be true if all the other fields are populated properly. Thank you in advance

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  • help setting up wsHttpBinding WCF service on .net

    - by manu1001
    I'm trying to host a WCF service with wsHttpBinding. I created a certificate using makecert and put some lines in web.config. This is the error that I'm getting: System.ArgumentException: The certificate 'CN=WCfServer' must have a private key that is capable of key exchange. The process must have access rights for the private key. On googling up it seems to be some issue with access rights on the certificate file. I used cacls to give read permission to NETWORK SERVICE and also my username but it didn't change anything. I also went to security settings in the properties of the certificate file and gave full control to NETWORK SERVICE and my username. Again to no avail. Can you guide me as to what the problem is and what exactly I need to do? I'm really flaky with these certificate things. Here's my web.config: <system.serviceModel> <services> <service name="Abc.Service" behaviorConfiguration="Abc.ServiceBehavior"> <endpoint address="" binding="wsHttpBinding" bindingConfiguration="Abc.BindConfig" contract="Abc.IService"> <identity> <dns value="localhost"/> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior name="Abc.ServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="false"/> <serviceCredentials> <clientCertificate> <authentication certificateValidationMode="PeerTrust"/> </clientCertificate> <serviceCertificate findValue="WCfServer" storeLocation="CurrentUser" storeName="My" x509FindType="FindBySubjectName" /> </serviceCredentials> </behavior> </serviceBehaviors> </behaviors> <bindings> <wsHttpBinding> <binding name="Abc.BindConfig"> <security mode="Message"> <message clientCredentialType="Certificate" /> </security> </binding> </wsHttpBinding> </bindings> </system.serviceModel>

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  • modalpopupextender and commas appearing in my textbox asp.net

    - by SLC
    Some weird stuff is happening, I am converting an application that used to use javascript to open another web page in a tiny window for data input to use a ModalPopupExtender. It seems to work fine, but in the OK event, when I do txtData.Text (the textbox in my modal popup), it comes back with a comma before the data, so if you type "Rabbit", it comes back as ",Rabbit". Also when I use it multiple times, in another place where I might click to show it, and type "Fish", it starts coming back with stuff like ",Rabbit,,Fish" I don't know why or how to stop it from doing this... any ideas?

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  • ASP.NET MVC2 JQuery datepicker errors

    - by Andy Evans
    I'm having the "Microsoft JScript runtime error: Object doesn't support this property or method" error when calling the datepicker function on a textbox generated from my data model. in the head section I have: <link href="../../Content/Site.css" rel="stylesheet" type="text/css" /> <script src="../../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function () { $('#dob').datepicker(); }); and in the body section I have: <% Html.EnableClientValidation(); %> <% using (Html.BeginForm()) { %> ... <tr> <td class="label">Date of Birth:</td> <td><%: Html.TextBoxFor(model => model.dob, new { @class = "inputtext" })%></td> <td><%: Html.ValidationMessageFor(model => model.dob) %></td> </tr> ... <% } %> Do I have something in the wrong place? Again, you folks are a great help and assistance would be greatly appreciated.

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  • ASP.NET Wizard control with Dynamic UserControls

    - by wjat777
    Hello everyone I'm trying to use the Wizard control as follows: 1 - In the first step (first screen) has a cheklistbox with several options 2 - For each option selected, will be created an extra step 3 - In some steps may be set up intermediate stages Me problem is that each step is a usercontrol. So if the first step I select option1 and option3, I should create two more steps with usercontrol1 and UserControl3 .... Someone already did something similar? I will try explain better the problem. I'll paste here, but I put a copy of the project in skydrive: http://cid-3d949f1661d00819.skydrive.live.com/self.aspx/C%5E3/WizardControl2.7z It is a very basic example of what I'm trying to do. The project has page.ASPX 1 and 3 usercontrol.ASCX (UC1, UC2 and UC3) Default.ASPX: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication2._Default" % Option1 Option2 Option3 Code Behind: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication2 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Page_PreInit(object sender, EventArgs e) { LoadSteps(); } private void LoadSteps() { int count = Wizard1.WizardSteps.Count; for (int i = count - 1; i > 0; i--) { WizardStepBase step = Wizard1.WizardSteps[i]; if (step.StepType != WizardStepType.Start) Wizard1.WizardSteps.Remove(step); } string Activities=""; foreach (ListItem item in CheckBoxList1.Items) { if (item.Selected) { WizardStep step = new WizardStep {ID = "step_" + item.Value, Title = "step_" + item.Value}; UserControl uc=null; switch (item.Value) { case "1": uc=(UserControl)LoadControl("~/UC1.ascx"); break; case "2": uc=(UserControl)LoadControl("~/UC2.ascx"); break; case "3": uc=(UserControl)LoadControl("~/UC3.ascx"); break; } step.Controls.Add(uc); Wizard1.WizardSteps.Add(step); } } } protected void CheckBoxList1_SelectedIndexChanged(object sender, EventArgs e) { LoadSteps(); } } } Control UC1.ASCX to UC3.ASCX has the same code (as an example) usercontrol.ascx: <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="UC1.ascx.cs" Inherits="WebApplication2.UC1" % AutoPostBack="True" AutoPostBack="True" Code Behind: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication2 { public partial class UC1 : System.Web.UI.UserControl { protected void Page_Init(object sender, EventArgs e) { List list1 = new List { "Alice", "Bob", "Chris" }; List list2 = new List { "UN", "DEUX", "TROIS" }; DropDownList1.DataSource = list1; DropDownList2.DataSource = list2; DropDownList1.DataBind(); DropDownList2.DataBind(); } protected void Page_Load(object sender, EventArgs e) { if (IsPostBack) return; } protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { Label1.Text = DropDownList1.SelectedValue; } protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e) { Label2.Text = DropDownList2.SelectedValue; } } } You can see that the controls UserControls trigger events (they cause postbacks) The behavior of this project is a little different than I described in the first thread, but the problem is the same. After the second time "next" button, you will get an error. Thanks in advance William

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  • .net WCF DateTime

    - by freddy smith
    I want to be able to safely send DateTime's over WCF without having to worry about any implicit or automatic TimeZone conversions. The dates I want to send are "logical" dates. year month day, there should be no time component. I have various server processes and client process that run on a variety of machines with different TimeZone settings. What I would like to ensure is that when a user enters a date in a textfield (or uses a date picker component) on any client that exact what they see at data entry is what is sent over WCF, used by the server and seen by other clients when they request the data. I am a little confused by the various questions and answers on this site concerning DateTime.Kind (unspecified, UTC, local).

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  • C# (ADO.Net): Defining DateDiff for a calculated column in a datatable

    - by Nir
    I have the column DateTimeExpired, and I would like to create another column called "Expired" which will show "Yes" or "No" according to the expiration date - "Yes" if the date has already passed. I wrote this: DataColumn colExpirationDate = new DataColumn("DateTimeExpired", typeof(DateTime)); DataColumn colExpired = new DataColumn("Expired", typeof(string), "IIF(DateDiff(DateTimeExpired, date())>= 0,'No','Yes')"); But I get an exception "The expression contains undefined function call DateDiff()." (please note that I always want to get the row, no matter if it's expired or not) How do I set the column's text to the correct form? Thanks!

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  • IOException reading a large file from a UNC path into a byte array using .NET

    - by Matt
    I am using the following code to attempt to read a large file (280Mb) into a byte array from a UNC path public void ReadWholeArray(string fileName, byte[] data) { int offset = 0; int remaining = data.Length; log.Debug("ReadWholeArray"); FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read); while (remaining > 0) { int read = stream.Read(data, offset, remaining); if (read <= 0) throw new EndOfStreamException (String.Format("End of stream reached with {0} bytes left to read", remaining)); remaining -= read; offset += read; } } This is blowing up with the following error. System.IO.IOException: Insufficient system resources exist to complete the requested If I run this using a local path it works fine, in my test case the UNC path is actually pointing to the local box. Any thoughts what is going on here ?

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  • Creating ViewResults outside of Controllers in ASP.NET MVC

    - by Craig Walker
    Several of my controller actions have a standard set of failure-handling behavior. In general, I want to: Load an object based on the Route Data (IDs and the like) If the Route Data does not point to a valid object (ex: through URL hacking) then inform the user of the problem and return an HTTP 404 Not Found Validate that the current user has the proper permissions on the object If the user doesn't have permission, inform the user of the problem and return an HTTP 403 Forbidden If the above is successful, then do something with that object that's action-specific (ie: render it in a view). These steps are so standardized that I want to have reusable code to implement the behavior. My current plan of attack was to have a helper method to do something like this: public static ActionResult HandleMyObject(this Controller controller, Func<MyObject,ActionResult> onSuccess) { var myObject = MyObject.LoadFrom(controller.RouteData). if ( myObject == null ) return NotFound(controller); if ( myObject.IsNotAllowed(controller.User)) return NotAllowed(controller); return onSuccess(myObject); } # NotAllowed() is pretty much the same as this public static NotFound(Controller controller){ controller.HttpContext.Response.StatusCode = 404 # NotFound.aspx is a shared view. ViewResult result = controller.View("NotFound"); return result; } The problem here is that Controller.View() is a protected method and so is not accessible from a helper. I've looked at creating a new ViewResult instance explicitly, but there's enough properties to set that I'm wary about doing so without knowing the pitfalls first. What's the best way to create a ViewResult from outside a particular Controller?

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  • .net XML serialization: how to specify an array's root element and child element names

    - by Jeremy
    Consider the following serializable classes: class Item {...} class Items : List<Item> {...} class MyClass { public string Name {get;set;} public Items MyItems {get;set;} } I want the serialized output to look like: <MyClass> <Name>string</Name> <ItemValues> <ItemValue></ItemValue> <ItemValue></ItemValue> <ItemValue></ItemValue> </ItemValues> </MyClass> Notice the element names ItemValues and ItemValue doesn't match the class names Item and Items, assuming I can't change the Item or Items class, is there any why to specify the element names I want, by modifying the MyClass Class?

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  • ASP.NET MVC Json Enum

    - by IceHeat
    public class Member { public string Name { get; set; } public Role Role { get; set; } } public enum Role { Plumber } public JsonResult GetMember() { Member member = new Member(); member.Name = "Joe the Plumber"; member.Role = Role.Plumber; return Json(member); } The Json always resolves the enum "Role" as 0,despite its value. What is the quickest way to get the string representation?

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