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  • ASP.NET Nested Repeater Accessing elements

    - by Rich
    I have a list of Accommodation objects bound to a Repeater, and then a nested Repeater which has the various attendee groups listed [e.g. Default, Seniors, Juniors]. This is all output fine, with the values displayed as LinkButtons, which when clicked gets sent to a code-behind event handler. Here is an example of the output to give you a picture [with some er... interesting attendee group names]: In the event handler, I test the object parameter to see which Repeater has been sent, as the outer repeater's links can also be clicked [so the Accommodation would be set, but no Attendee Group]. Is there a way to get a HiddenField from the outer RepeaterItem that contains the currently clicked inner repeater's LinkButton? E.g. From the image, I click the Attending link in the Women section. So the EventArgs via FindControl can get me the hidden field which contains the Attendee Group's ID, which is good, but I also need the Accommodation ID [to know whether it was either Wimbledon Hotel Inn or New Acc]

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  • To HTMLENCODE or not to HTMLENCODE user input on web form (asp.net vb)

    - by Phil
    I have many params making up an insert form for example: x.Parameters.AddWithValue("@city", City.Text) I had a failed xss attack on the site this morning, so I am trying to beef up security measures anyway.... Should I be adding my input params like this? x.Parameters.AddWithValue("@city", HttpUtility.HtmlEncode(City.Text)) Is there anything else I should consider to avoid attacks? Thanks

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  • how to download a file from remote server usingh asp.net

    - by ush
    The below code works fine for downloading a file from a current pc.plz suggest me how to download it from remote server using ip address or any method protected void Button1_Click(object sender, EventArgs e) { const string fName = @"C:\ITFSPDFbills\February\AA.pdf"; FileInfo fi = new FileInfo(fName); long sz = fi.Length; Response.ClearContent(); Response.ContentType = MimeType(Path.GetExtension(fName)); Response.AddHeader("Content-Disposition", string.Format("attachment; filename = {0}", System.IO.Path.GetFileName(fName))); Response.AddHeader("Content-Length", sz.ToString("F0")); Response.TransmitFile(fName); Response.End(); } public static string MimeType(string Extension) { string mime = "application/octetstream"; if (string.IsNullOrEmpty(Extension)) return mime; string ext = Extension.ToLower(); Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(ext); if (rk != null && rk.GetValue("Content Type") != null) mime = rk.GetValue("Content Type").ToString(); return mime; }

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  • Stack calling convention between .NET & C on WinCE 6.0

    - by bernard
    Hi there. I'm porting a DLL written in C from WinCE 5.0 to WinCE 6.0 on an ARM target. This DLL is called by a .NET software. On WinCE5.0, everything runs fine. On WinCE6, I have the following problem: on InitInstance() of my DLL, I can call anything without problem (for example MessageBox()) or uses recursivity. Passed that point, the DLL is called by .NET code. And then it fails: even the arguments passed by .NET code seem weird. I can call MessageBox() once, but I can't call a function that calls MessageBox() and then that calls itself: recursivity is broken. It seems that the .NET code uses the stack in a different way than my C code. I'm very unfamillar with the Windows world and the company that gives me the .NET application does not understand yet why there is such a failure. Any pointer/hint/advice welcome! Thanks!

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  • Asp.net MVC RSS help needed.

    - by coure06
    Following the tutorial at http://www.developerzen.com/2009/01/11/aspnet-mvc-rss-feed-action-result/ My code for the controller is like this, but i am not getting any result from http://www.gadgetfind.com/rss.xml public ActionResult Feed() { SyndicationFeed feed = new SyndicationFeed("Test Feed", "This is a test feed", new Uri("http://www.gadgetfind.com/rss.xml"), "TestFeedID", DateTime.Now); SyndicationItem item = new SyndicationItem("Test Item", "This is the content for Test Item", new Uri("http://www.gadgetfind.com/rss.xml"), "TestItemID", DateTime.Now); List<SyndicationItem> items = new List<SyndicationItem>(); items.Add(item); feed.Items = items; return new RssActionResult() { Feed = feed }; }

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  • breakthrough programming .net era

    - by Andrew Florko
    I wonder what are .net technologies / c# language improvements you consider as breakthrough in .net era for the last 5-10 years. I mean technologies that shifted developers mind. For example direct-x made assembler nearly abandoned for game programming in the end of XX century and JQuery extremely simplified ajax web development as well as javascript code reusability. What kind of breakthrough .net technologies you expect in the future and what modern .net technologies are just a light evolution of well known approaches. Do you consider .net 4.0 parallel extensions and other improvements as breakthrough, or may be we have reached the point when nothing radical is expected in modern programming?

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  • Binding a list of checkboxes from view to posted collection in ASP.NET MVC 2

    - by mare
    Given the code below within which I render a bunch of checkboxes in my view and the code for controller, someone please explain how can I get the values of the checkboxes (I need the key and the checked status) in the controller. <% foreach (string mappingId in Model.Mappings) {%> <tr><td> <%=mappingId %><br /> <%=Html.Label("Checkbox_" + mappingId, "Sync?")%> <%=Html.CheckBox("Checkbox_" + mappingId, true) %> </td></tr> <% } %> [HttpPost] public ActionResult Sync(FormCollection collection) { foreach (var posted in collection) { // here the "posted" variable shows up in the debugger as // "Checkbox_AD0D1" as Value (AD0D1 being the key in my model) and of type "object" // of course, this line fails but it shows what I want to do bool currentCheckbox = (bool) posted; } return View(); }

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  • Asp.net MVC appliction showing popup message after updating user

    - by kumar
    This is my Update Json method.. public JsonResult Update(StudentInfo e) { var cache = CacheFactory.GetCacheManager(); var Status= false; for (int i = 0; i <= cache.Count; i++) { var x = (StudentInfo )cache.GetData("a" + i); if (x != null) { Status= common.UpdateStudent(e.Student); } } return Json(Status); } this is my veiw.. <% using (Html.BeginForm("Update", "home", FormMethod.Post)) { %> <%= Html.ValidationSummary(true)%> my scripts.. <script type="text/javascript"> $(document).ready(function() { $('#btnSelectAll').click(function() { $('#btnSelect').click(function() { $('#input[type=checkbox]').attr('checked', 'checked'); }); function validate_excpt(formData, jqForm, options) { var form = jqForm[0]; return true; } // post-submit callback function showResponse(responseText, statusText, xhr, $form) { if (responseText[0].substring(0, 16) != "System.Exception") { $('#error-msg- span:last').html('<strong>Update successful.</strong>'); } else { $('#error-msg- span:last').html('<strong>Update failed.</strong> ' + responseText[0].substring(0, 48)); } $('#error-msg-').removeClass('hide'); $('#gui-stat-').html(responseText[1]); } // post-submit callback $('#exc-').ajaxForm({ target: '#error-msg-', beforeSubmit: validate_excpt, success: showResponse, dataType: 'json' }); $('.button').button(); }); $('.button').button(); $("input[id^='exc-flwup-']").datepicker({ duration: '', showTime: true, constrainInput: true, stepMinutes: 30, stepHours: 1, altTimeField: '', time24h: true, minDate: 0 }); $('#ui-timepicker-div').bgiframe(); }); </script> I am getting popupmessage when Jsonresult Update method has done..but I am seeing that user is updating perfectly.. popup window saying something like you have choosed to open if I open that I am getting string as True in the file.. is that above code I am doing something wrong?

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  • Create method to handle multiple types of controls

    - by Praesagus
    I am trying to create a method that accepts multiple types of controls - in this case Labels and Panels. The conversion does not work because IConvertible doesn't convert these Types. Any help would be so appreciated. Thanks in advance public void LocationsLink<C>(C control) { if (control != null) { WebControl ctl = (WebControl)Convert.ChangeType(control, typeof(WebControl)); Literal txt = new Literal(); HyperLink lnk = new HyperLink(); txt.Text = "If you prefer a map to the nearest facility please "; lnk.Text = "click here"; lnk.NavigateUrl = "/content/Locations.aspx"; ctl.Controls.Add(txt); ctl.Controls.Add(lnk); } }

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  • retain drop down value page posting back to itself asp.net

    - by d3020
    I have an aspx page that has... if (!IsPostBack) { PopulateBrand(); in the Page_Load. This PopulateBrand() simply populates my drop down. That works great and on post back it retains the value. The problem I'm having is that there is also a link on the page that is posting back some parameters to this page. What is happening is that when this is clicked it's falling through this !IsPostBack section and wiping out my drop down values that I had selected and repopulating it. How can I prevent this and just retain what I selected when this page is posting back to itself when the link is clicked? Thanks.

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  • asp.net mvc 1.0 - how to render a partial view as a string

    - by Chev
    Hi There I need to render a partial view to a string within a controller action. I have the following sample code, but the ControllerContext.ParentActionViewContext does not seem to exist in mvc 1.0 // Get the IView of the PartialView object. var view = PartialView("MyPartialView").View; // Initialize a StringWriter for rendering the output. var writer = new StringWriter(); // Do the actual rendering. view.Render(ControllerContext.ParentActionViewContext, writer); Any tips greatly appreciated.

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  • Javascript error after updating ASP.NET AJAX ControlToolkit

    - by empo
    I've just updated to the AJAX Control Toolkit 3.5, changed the ScriptManager to the ToolkitScriptManager in my master page and now the following javascript error occurs when an Edit button is clicked: "Object doesn't support this property or method" The line of code cuasing the error is: this._destroyTree(updatePanelElement); Any initial ideas before I post masses of code?

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  • ASP.NET Dynamically filtering data

    - by Jasper
    For a project I'm working on, we're looking for a way to dynamically add filters to a page which then control the dataoutput in, for instance, a grid. We want to add the filters dynamically because we want the customer to be able to change which properties can be filtered and what filtertype (textbox, dropdown, colourpicker, etc.) should be used. The filter should work as follows: - The customer links a filter to a certain property and specifies the filtertype (for this example: dropdown). - A user control which contains all the filter loads all filters specified - The filters load all values of the specified property as options. The first time the page loads; this would be the values of all items. - Now the user selects a value from one of the filters; the page reloads - Only items which have the specified filter value are retrieved, the user may specify one or more filters at the same time. - Once a user drills down by filtering, only filtervalues of the retrieved items should be used in the other filters. I have the following problems: - When I create the filters runtime, events are lost because the controls get recreated each postback. - I could place the filters in PreInit which should solve this, but then determining which controls should be loaded becomes a problem since loading all environment vars isn't finished yet - I don't know a good way of returning all the filter values to a central point from which I can make a good query. - The query has to be dynamic. I'm using linq which I want to make dynamic so I don't have to select everything everytime. How to make a dynamic select query based on a string stored in the database? - I have to select items based on the filtervalues and then adjust the rest of the filters to the already made selection. That kind of messes up the whole regular databinding sequence. Any help in one of the above would be great! PS: One thing I thought about was passing along filter values in the postback which would have to be recognizable. That way the server could use them for selection and then create the filters and autoselect the previously selected filtervalues. I'm not quite sure how to acheive this though...

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  • Validation with State Pattern for Multi-Page Forms in ASP.NET

    - by philrabin
    I'm trying to implement the state pattern for a multi-page registration form. The data on each page will be accumulated and stored in a session object. Should validation (including service layer calls to the DB) occur on the page level or inside each state class? In other words, should the concrete implementation of IState be concerned with the validation or should it be given a fully populated and valid object? See "EmptyFormState" class below: namespace Example { public class Registrar { private readonly IState formEmptyState; private readonly IState baseInformationComplete; public RegistrarSessionData RegistrarSessionData { get; set;} public Registrar() { RegistrarSessionData = new RegistrarSessionData(); formEmptyState = new EmptyFormState(this); baseInformationComplete = new BasicInfoCompleteState(this); State = formEmptyState; } public IState State { get; set; } public void SubmitData(RegistrarSessionData data) { State.SubmitData(data); } public void ProceedToNextStep() { State.ProceedToNextStep(); } } //actual data stored in the session //to be populated by page public class RegistrarSessionData { public string FirstName { get; set; } public string LastName { get; set; } //will include values of all 4 forms } //State Interface public interface IState { void SubmitData(RegistrarSessionData data); void ProceedToNextStep(); } //Concrete implementation of IState //Beginning state - no data public class EmptyFormState : IState { private readonly Registrar registrar; public EmptyFormState(Registrar registrar) { this.registrar = registrar; } public void SubmitData(RegistrarSessionData data) { //Should Validation occur here? //Should each state object contain a validation class? (IValidator ?) //Should this throw an exception? } public void ProceedToNextStep() { registrar.State = new BasicInfoCompleteState(registrar); } } //Next step, will have 4 in total public class BasicInfoCompleteState : IState { private readonly Registrar registrar; public BasicInfoCompleteState(Registrar registrar) { this.registrar = registrar; } public void SubmitData(RegistrarSessionData data) { //etc } public void ProceedToNextStep() { //etc } } }

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  • Custom fine-grained claims based authorization system in ASP.NET MVC - wheres and hows

    - by BuzzBubba
    So, I'd like to implement my own custom authorization system in MVC2. If I'd have to create a global class, where do I instantiate it? Can HttpContext be extended with my own additions and where do I do that? Should I use Authorization filters for rights validation or ActionFilters or do it within an action? Can ActionFilter pass any data to the action itself? Previously (in WebForms) I was using a Session object where I would put a serialized object containing essential user data (account id and a list of roles and rights) and I'd extend my own Page class.

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  • Trying to use an Xslt for an xml in asp.net

    - by Josemalive
    Hello, i have the following xslt sheet: <?xml version="1.0" encoding="UTF-8" ?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> <xsl:variable name="nhits" select="Answer[@nhits]"></xsl:variable> <xsl:output method="html" indent="yes"/> <xsl:template match="/"> <div> <xsl:call-template name="resultsnumbertemplate"/> </div> </xsl:template> <xsl:template name="resultsnumbertemplate"> <xsl:value-of select="$nhits"/> matches found </xsl:template> </xsl:stylesheet> And this is the xml that im trying to mix with the previous xslt: <Answer xmlns="exa:com.exalead.search.v10" context="n%3Dsl-ocu%26q%3Dlavadoras" last="9" estimated="false" nmatches="219" nslices="0" nhits="219" start="0"> <time> <Time interrupted="false" overall="32348" parse="0" spell="0" exec="1241" synthesis="15302" cats="14061" kwds="14061"> <sliceTimes>15272 </sliceTimes> </Time> </time> </Answer> Im using a xslcompiledtransform and that's working fine: XslCompiledTransform transformer = new XslCompiledTransform(); transformer.Load(HttpContext.Current.Server.MapPath("xslt\\" + requestvariables["xslsheet"].ToString())); transformer.Transform(xmlreader, null, writer); My problems comes when im trying to put into a variable the "nhits" attribute value placed on the Answer element, but i'm not rendering anything using my xslt sheet. Do you know what could be the cause? Could be the xmlns attribute in my xml file? Thanks in advance. Best Regards. Jose

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  • Show PDF in HTML in web

    - by Anil
    Hi, I'm using the object tag to render PDF in HTML, but I'm doing it in MVC like this: <object data="/JDLCustomer/GetPDFData?projID=<%=ViewData["ProjectID"]%>&folder=<%=ViewData["Folder"] %>" type="application/pdf" width="960" height="900"> </object> and Controller/Action is public void GetPDFData(string projID, Project_Thin.Folders folder) { Highmark.BLL.Models.Project proj = GetProject(projID); List<File> ff = proj.GetFiles(folder, false); if (ff != null && ff.Count > 0 && ff.Where(p => p.FileExtension == "pdf").Count() > 0) { ff = ff.Where(p => p.FileExtension == "pdf").ToList(); Response.ClearHeaders(); Highmark.BLL.PDF.JDLCustomerPDF pdfObj = new JDLCustomerPDF(ff, proj.SimpleDbID); byte[] bArr = pdfObj.GetPDF(Response.OutputStream); pdfObj = null; Response.ContentType = "application/" + System.IO.Path.GetExtension("TakeOffPlans").Replace(".", ""); Response.AddHeader("Content-disposition", "attachment; filename=\"TakeOffPlans\""); Response.BinaryWrite(bArr); Response.Flush(); } } The problem is, as I'm downloading data first from server and then return the byte data, it is taking some time in downloading, so I want to show some kind of progress to show processing. Please help me on this.

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  • referencing a WCF web service

    - by ErnieStings
    Our current project uses an asmx service. We want to keep this service for now, but would like to add an additional wcf service for ajax calls. I followed a procedure i found online to set up the service and it works fine with javascript in aspx files within that particular project but i'm unsure how to reference it in javascript files in a different project (in the same solution). If someone could point me in the right direction it would be much appreciated. Thanks, Shawn EDIT: i wish to make calls in javascript similar to the following: function Button1_onclick() { var service = new AjaxServices.TestService(); service.wcfTest(4, onSuccess, null, null); } function onSuccess(result){ document.getElementById("ajaxPlaceHolder").innerHTML = "<p>" + result + "</p>"; } // ]]> but i'm willing to explore the jQuery option as well.

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  • Deploy RoR on Apache 1.3 without admin permissions

    - by blinry
    At work I have a SuSE 7.3 running Apache 1.3.20, which I don't have admin access to. I'd like to deploy Ruby on Rails with no or very little work for the admins. I need the service to keep running all the time, even if the server is rebooted, I need it to run faster than CGI-Speed and I'd like to have a simple domain without ports. What are my options?

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  • ASP.Net AJAX controls, adding via .ashx page

    - by Matt Dawdy
    Okay, this is a continuation of a previous question of mine, but it is distinct enough to be its own question. Based on user interaction, I'm calling a .ashx handler via a jquery ajax call, and that handler is building some html for me that includes some Telerik controls like a masked textbox (masked for a phone number like "(###) ###-####". I got around all the hurdles of using Render() to get the html output of a server control even when it doesn't have a "Page" object or a ScriptHandler object. However, when I show the control to a user, I see the mask in the text of the textbox, but the mask doesn't "work" in the sense that when a user starts typing, it is as if the mask is really just text. So, my question is, after putting the html code out for a masked textbox, how do I tell whatever javascript is supposed to mask the input to really start masking on that specific control? I really hope this made sense. Please tell me if you need any clarification.

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