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  • Creating a framework for ASP.NET web forms similar to Flex states.

    - by Shawn Simon
    I really enjoy the flex states framework. You define a few states for your control, and then can set child controls to only appear in certain states. Check out this code: <s:states> <s:State name="signin"/> <s:State name="register"/> </s:states> <mx:FormItem label="Last name:" includeIn="register" id="lastNameItem" alpha="0.0"> <s:TextInput id="lastName" width="220"/> </mx:FormItem> Now the last name form will only appear in the register screen. This would be really useful I think in .NET where you use the page for views like update / insert. I was considering extending the Page element to have a states property using extension methods, and adding the include in to controls. This way I could auto-hide controls based on the current view at render time. What is even cooler in Flex, is that you can use different handlers / properties based on the current state. <s:Button label="Sign in" label.register="Register" id="loginButton" enabled="true" click.signin="signin()" click.register="register()"/> I'm sure there's a way I could implement something similar to this as well. Do you think this is a good idea? Or does it just add a level of abstraction to framework that already has a poor separation of concerns?

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  • How is unautenticated site navigation handled in ASP.NET?

    - by Code Sherpa
    Hi. I am wondering how to do the following... I have a registration system. When the user successfully registers, he is then led down a series of data gathering pages (for his profile) and then, finally, ends on his profile's home page where he can start to use the site. All this happens without ever logging into the system so, he is unauthenticated and unconfirmed. My question is, how does this happen? How can I allow my user to be unauthenticated (and unconfirmed, but this I understand) and use all aspects of the Web site? The way I have things set up right now, my code should be doing this: case CreateProfileStatus.Success: //FormsAuthentication.SetAuthCookie(userName, false); Response.Redirect("NextPage.aspx", false); break; but, I am being redirected to the login page after registration which is not the result I want. This is what the relevant nodes in my web.config look like: <authentication mode="Forms"> <forms name=".AuthCookie" loginUrl="default.aspx" protection="All"/> </authentication> <authorization> <deny users="?"/> <allow roles="Administrators" /> </authorization> <anonymousIdentification enabled="true" cookieName=".ASPXANONYMOUS" cookieTimeout="100000" cookiePath="/" cookieRequireSSL="false" cookieSlidingExpiration="true" cookieProtection="Encryption" cookieless="UseCookies" domain="" /> When the user logs out after the registration and initial interaction with the site he will be required to log in upon return. At this point he must be authenticated but does not need to be confirmed for a period of time. Eventually, he will be reminded. So, how is this done? Thanks in advance.

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  • How do I ensure that SOAP requests from a flash client to my ASP server are coming from the flash cl

    - by Gary Benade
    I have a flash based game that has a high score system implemented with a SOAP service. There are prizes involved and I want to prevent someone from using FireBug or similar to discover the webservice path and submit fake scores. I considered using some kind of encryption on the data but am aware that someone could decompile the swf and work out how I did it. I also considered using an IP whitelist but since the incoming data will come from the users IP and not the servers that won't work. (I'm sure I'm missing something obvious here...) I know that there is a tried and tested solution for this, but I don't seem to be asking google the right questions to get to it. Any help and suggestions will be appreciated, thank you

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  • Accessing the ASP.NET Cache from a Separate Thread?

    - by maxp
    Normally i have a static class that reads and writes to HttpContext.Current.Cache However since adding threading to my project, the threads all get null reference exceptions when trying to retrieve this object. Is there any other way i can access it, workarounds or another cache i can use?

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  • How do I get the collection of Model State Errors in ASP.NET MVC?

    - by Ryan Montgomery
    How do I get the collection of errors in a view? I don't want to use the Html Helper Validation Summary or Validation Message. Instead I want to check for errors and if any display them in specific format. Also on the input controls I want to check for a specific property error and add a class to the input. P.S. I'm using the Spark View Engine but the idea should be the same. So I figured I could do something like... <if condition="${ModelState.Errors.Count > 0}"> DispalyErrorSummary() </if> ....and also... <input type="text" value="${Model.Name}" class="?{ModelState.Errors["Name"] != string.empty} error" /> .... Or something like that. UPDATE My final solution looked like this: <input type="text" value="${ViewData.Model.Name}" class="text error?{!ViewData.ModelState.IsValid && ViewData.ModelState["Name"].Errors.Count() > 0}" id="Name" name="Name" /> This only adds the error css class if this property has an error.

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  • How do you create a dropdownlist from an enum in ASP.NET MVC?

    - by Kevin Pang
    I'm trying to use the Html.DropDownList extension method but can't figure out how to use it with an enumeration. Let's say I have an enumeration like this: public enum ItemTypes { Movie = 1, Game = 2, Book = 3 } How do I go about creating a dropdown with these values using the Html.DropDownList extension method? Or is my best bet to simply create a for loop and create the html elements manually?

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  • Request for the permission of type 'System.Web.AspNetHostingPermission' when compiling web site

    - by ahsteele
    I have been using Windows 7 for a while but have not had to work with a particular legacy intranet application since my upgrade. Unfortunately, this application is setup as an ASP.NET Website project hosted on a remote server. When I have the website open in Visual Studio 2008 and try to debug it: Request for the permission of type 'System.Web.AspNetHostingPermission' failed To resolve this issue on Windows Vista machines I would change the machine's .NET Security Configuration to trust the local intranet. I believe this configuration utility relied upon the mscorcfg.msc which from some cursory research appears to be apart of the .NET 2.0 SDK. I have tried to follow the instructions from this Microsoft Support article running the command below to no avail. Drive:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\caspol.exe -m -ag 1 -url "file:////\\computername\sharename\*" FullTrust -exclusive on Presently, I have the following .NET and ASP.NET components installed on my machine Microsoft .NET Compact Framework 2.0 SP2 Microsoft .NET Compact Framework 3.5 Microsoft .NET Framework 4 Client Profile Microsoft .NET Framework 4 Extended Microsoft .NET Framework 4 Multi-Targeting Pack Microsoft ASP.NET MVC 1.0 Microsoft ASP.NET MVC 2 Microsoft ASP.NET MVC 2 - Visual Studio 2008 Tools Microsoft ASP.NET MVC 2 - Visual Studio 2010 Tools Do I need to install the .NET 2.0 SDK? Am I issuing the caspol command incorrectly? Is there something else that I am missing?

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  • Is it worth caching a Dictionary for foreign key values in ASP.net?

    - by user169867
    I have a Dictionary<int, string> cached (for 20 minutes) that has ~120 ID/Name pairs for a reference table. I iterate over this collection when populating dropdown lists and I'm pretty sure this is faster than querying the DB for the full list each time. My question is more about if it makes sense to use this cached dictionary when displaying records that have a foreign key into this reference table. Say this cached reference table is a EmployeeType table. If I were to query and display a list of employee names and types should I query for EmployeeName and EmployeeTypeID and use my cached dictionary to grab the EmployeeTypeIDs name as each record is displayed or is it faster to just have the DB grab the EmployeeName and JOIN to get the EmployeeType string bypassing the cached Dictionary all together. I know both will work but I'm interested in what will perform the fastest. Thanks for any help.

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  • Why use ASP.NET MVC 2 for REST services? Why not WCF?

    - by Jeremy McGee
    So I see that MVC 2 now supports [HttpPut] and [HttpDelete] as well as [HttpGet] and [HttpPost], making it possible to do a full RESTful Web service using it. I've been using the REST toolkit for WCF for a while and find it fairly powerful, but I'd be interested to find out what (if any) advantages there are using the MVC 2 approach. Links, war stories, or even pure hear-say are welcome.

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  • How does this C# asp.net random password code work?

    - by quakkels
    Hello all, I'm new to .NET and C# and I'm trying to figure out how this code works: public static string CreateRandomPassword(int PasswordLength) { String _allowedChars = "abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ23456789"; Byte[] randomBytes = new Byte[PasswordLength]; RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider(); rng.GetBytes(randomBytes); char[] chars = new char[PasswordLength]; int allowedCharCount = _allowedChars.Length; for(int i = 0;i<PasswordLength;i++) { /// /// I don't understand how this line works: /// chars[i] = _allowedChars[(int)randomBytes[i] % allowedCharCount]; } return new string(chars); } I think I've got a pretty good handle on most of this. I haven't been able to understand the following line: chars[i] = _allowedChars[(int)randomBytes[i] % allowedCharCount]; I understand that the code generates random binary numbers and uses those random numbers in the for loop to select a character from the _allowedChars string. What I don't get is why this code uses the modulous operator (%) to get the _allowedChars index value. Thanks for any help

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  • Memory footprint of a parsed XML file in Classic ASP?

    - by Pete Duncanson
    Anyone know of a way to find out the amount of memory/size of a XMLDocument once it has parsed a XML file? I've been doing "beer mat" calculations so far but have been asked to come up with some more legit numbers through monitoring some how. I need to create about 1500 XML files (via FreeThreadedXMl-DOM object), which verge between 3-9K in size and store them in Application vars but our SysAdmin is worried about us gobbling up too much memory. Other than the crude method of booting up a fresh IIS instance and then loading everything in and monitoring before and after memory usage in Task Manager I can't think of a way of doing it with a bit more accuracy.

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  • ASP.NET Repeater datasource bound to a function. Would it call the function twice?

    - by Frenchie
    In the code behind I have a function that returns a List(Of SomeClass): rptRepeater.DataSource = SomeFunction(SomeVariable) rptRepeater.DataBind() In the html I have a basic repeater layout and am using the below code to get the Properties of each object returned. <%#Databinder.Eval(Container.DataItem, "Parameter1")% My question is, would there ever be a case that it would execute the Function more than once?

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  • here is my code in Jquery and Asp.net Unable to get a correct ANS as I am getting from jquery?

    - by ricky roy
    unable to get the correct Ans as i am getting from the Jquery I am using jquery.countdown.js here is my code [WebMethod] public static String GetTime() { DateTime dt = new DateTime(); dt = Convert.ToDateTime("April 9, 2010 22:38:10"); return dt.ToString("dddd, dd MMMM yyyy HH:mm:ss"); } html file <script type="text/javascript" src="Scripts/jquery-1.3.2.js"></script> <script type="text/javascript" src="Scripts/jquery.countdown.js"></script> <script type="text/javascript"> $(function() { var shortly = new Date('April 9, 2010 22:38:10'); var newTime = new Date('April 9, 2010 22:38:10'); //for loop divid /// $('#defaultCountdown').countdown({ until: shortly, onExpiry: liftOff, onTick: watchCountdown, serverSync: serverTime }); $('#div1').countdown({ until: newTime }); }); function serverTime() { var time = null; $.ajax({ type: "POST", //Page Name (in which the method should be called) and method name url: "Default.aspx/GetTime", // If you want to pass parameter or data to server side function you can try line contentType: "application/json; charset=utf-8", dataType: "json", data: "{}", async: false, //else If you don't want to pass any value to server side function leave the data to blank line below //data: "{}", success: function(msg) { //Got the response from server and render to the client time = new Date(msg.d); alert(time); }, error: function(msg) { time = new Date(); alert('1'); } }); return time; } function watchCountdown() { } function liftOff() { } </script>

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  • How can I detect when a file download has completed in ASP.NET?

    - by Alexis
    I have a popup window that displays "Please wait while your file is being downloaded". This popup also executes the code below to start the file download. How can I close the popup window once the file download has completed? I need some way to detect that the file download has completed so I can call self.close() to close this popup. System.Web.HttpContext.Current.Response.ClearContent(); System.Web.HttpContext.Current.Response.Clear(); System.Web.HttpContext.Current.Response.ClearHeaders(); System.Web.HttpContext.Current.Response.ContentType = fileObject.ContentType; System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", string.Concat("attachment; filename=", fileObject.FileName)); System.Web.HttpContext.Current.Response.WriteFile(fileObject.FilePath); Response.Flush(); Response.End();

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  • Loosing Textbox value on postback

    - by Dusty Roberts
    Hi Peeps i have an href that once clicking on it, it opens a dialog and sets a textbox value for that dialog. however, once i click on submit in that dialog, the textbox value is null. Link: <a href="#" onclick="javascript:expand('https://me.yahoo.com'); jQuery('#openiddialog').dialog('open'); return false;"><img id="yahoo" class="spacehw" src="/Content/Images/spacer.gif" /></a> Script: <script type="text/javascript"> jQuery(document).ready(function () { jQuery("#openiddialog").dialog({ autoOpen: false, width: 600, modal: true, buttons: { "Cancel": function () { $(this).dialog("close"); } } }); }); function expand(obj) { $("#<%=openIdBox.ClientID %>").val(obj); } </script> Dialog:<div id="openiddialog" title="Log in using OpenID"> <p> <asp:Label ID="Label1" runat="server" Text="OpenID Login" /> <asp:TextBox ID="openIdBox" EnableViewState="true" runat="server" /> <asp:JButton Icon="ui-icon-key" ID="loginButton" runat="server" Text="Authenticate" OnClick="loginButton_Click" /> <asp:CustomValidator runat="server" ID="openidValidator" ErrorMessage="Invalid OpenID Identifier" ControlToValidate="openIdBox" EnableViewState="false" OnServerValidate="openidValidator_ServerValidate" /> <br /> <asp:Label ID="loginFailedLabel" runat="server" EnableViewState="False" Text="Login failed" Visible="False" /> <asp:Label ID="loginCanceledLabel" runat="server" EnableViewState="False" Text="Login canceled" Visible="False" /> </p> </div> ... sorry... can't fix formatting ?!?

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  • ASP.NET MVC UpdateModel doesn't update inherited public properties??

    - by mrjoltcola
    I refactored some common properties into a base class and immediately my model updates started failing. UpdateModel() and TryUpdateModel() do not seem to update inherited public properties. I cannot find detailed info on MSDN nor Google as to the rules or semantics of these methods. The docs are terse (http://msdn.microsoft.com/en-us/library/dd470933.aspx), simply stating: Updates the specified model instance using values from the controller's current value provider. Well that leads us to believe it is as simple as that. It makes no mention of limitations with inheritance. My assumption is the methods are reflecting on the top class only, ignoring base properties, but this seems to be an ugly shortcoming, if so. SOLVED: Eep, this turned out to have nothing to do with inheritance. My base class was implemented with public fields, not properties. Switching them to formal properties (adding {get; set; }) was all I needed. This has bitten me before, I keep wanting to use simple, public fields.

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  • Linq to Sql, Repositories, and Asp.Net MVC ViewData: How to remove redundancy?

    - by Dr. Zim
    Linq to SQL creates objects which are IQueryable and full of relations. Html Helpers require specific interface objects like IEnumerable<SelectListItem>. What I think could happen: Reuse the objects from Linq to SQL without all the baggage, i.e., return Pocos from the Linq to SQL objects without additional Domain Model classes? Extract objects that easily convert to (or are) Html helper objects like the SelectListItem enumeration? Is there any way to do this without breaking separation of concerns? Some neat oop trick to bridge the needs? For example, if this were within a repository, the SelectListItem wouldn't be there. The select new is a nice way to cut out an object from the Linq to SQL without the baggage but it's still referencing a class that shouldn't be referenced: IEnumerable<SelectListItem> result = (from record in db.table select new SelectListItem { Selected = record.selected, Text= record.Text, Value= record.Value } ).AsEnumerable();

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  • asp.net compare validators to allow comma and dot (both!) as decimal separator

    - by DanC
    I am using a compare validator, which validates that the entered number is a valid double and also validates it against a given value (greater than zero). I am validating money amounts. Because of the location where the app is used, the locale sets the comma as the decimal separator. The problem is that when a user enters the value using the numeric keyboard, the number gets written with the dot as decimal separator, and is rejected by the validation. I'd like to have this validation done before triggering a postback (like a customvalidator would) and accepting both separators. Any ideas? Thanks

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