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  • Cannot update a single field using Linq to Sql

    - by KallDrexx
    I am having a hard time attempting to update a single field without having to retrieve the whole record prior to saving. For example, in my web application I have an in place editor for the Name and Description fields of an object. Once you edit either field, it sends the new field (with the object's ID value) to the web server. What I want is the webserver to take that value and ID and only update the one field. There are only two ways google tells me to do this: 1) When I get the value I want to change, the value and the ID, retrieve the record from the database, update the field in the c# object, and then send it back to the server. I don't like this method because not only does it include a completely unnecessary database read call (which includes two tables due to the way my schema is). 2) Set UpdateCheck for all the fields (but the primary keys) to UpdateCheck.Never. This doesn't work for me (I think) due to my mapping layer between the Linq to Sql and my Entity/ViewModel layer. When I convert my entity into the linq to sql db object it seems to be updating those fields regardless of the UpdateCheck setting. This might be just because of integers, since not setting an int means it is a zero (and no, I can't use int? instead). Are there any other options that I have?

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  • How to receive modified model value in MVC's Post method?

    - by kapil
    HI, Does anyone know how can I receive the modified model value which I have bound to controls on view page. For instance I have used a text box on view, as follows- <%=Html.TextBoxFor(model => Model.firstName, new { id = "txtFirstName"})%> But in my post method I am not able to receive the modified value from the text box. Any solution? Thanks, Kapil

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  • control with ID 'GridView1' could not be found for the trigger in UpdatePanel 'UpdatePanel1'

    - by Kk
    I have two gridview in update panel and m adding entries from one gridview to another on selectedIndexChanged event what m trying to do is updating update panel on this event selectedindexchanged ...but my gridview is inside accordian control so it does not get initialized and hence i get this error ..... control with ID 'GridView1' could not be found for the trigger in UpdatePanel 'UpdatePanel1' Anybody knows solution?

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  • MS Ajax FilteredTextBox stopped working

    - by TenaciousImpy
    Hi, I'm using Microsoft's AJAX library via their CDN. Everything was going fine in an old project. I then created a new project and copied and pasted some of the AJAX code hoping that it would work. However, my code isn't working and I've been struggling to figure out why. I'm trying to implement a filtered textbox: <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.4.2.js" type="text/javascript"></script> <script src="http://ajax.microsoft.com/ajax/beta/0911/Start.debug.js" type="text/javascript"></script> <script src="http://ajax.microsoft.com/ajax/beta/0911/extended/ExtendedControls.debug.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { Sys.require(Sys.components.filteredTextBox, function() { $("[id$='UserName']").filteredTextBox({ InvalidChars: ".", FilterType: Sys.Extended.UI.FilterTypes.Numbers | Sys.Extended.UI.FilterTypes.UppercaseLetters | Sys.Extended.UI.FilterTypes.LowercaseLetters | Sys.Extended.UI.FilterTypes.Custom, FilterMode: Sys.Extended.UI.FilterModes.ValidChars }); }); }); </script> When I run this, the textbox isn't filtered and I can enter any character. In Chrome, I used the Dev Tools and it found two errors on the page. In my .aspx page, I have: Uncaught TypeError: Cannot read property 'Numbers' of undefined (regarding the Sys.Extended.UI.FilterTypes.Numbers in the code above). In filteredtextboxbehavior.debug.js, I have the error: Uncaught TypeError: Object #<an Object> has no method 'registerComponent' Any ideas why I'm getting this error? The code has been working previously so I'm not sure if I had added any extra settings in my old project which the new one doesn't have. Thanks! ps:The textbox can be found as any other actions on it are recognized.

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  • ModalPopup inside the UpdatePanel with default form values

    - by prometeus
    I have a ModalPopupExtender inside an UpdatePanel which opens an input form. The problem is when I click the "Edit" button (which is also inside the UpdatePanel) I want to fill the form with existing values using server side code. But it OnClick method of the button doesn't seem to work. My question is: How can I make the serverside code run first, than show the edit form?

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  • getting base url of web site's root (absolute/relative url)

    - by uzay95
    I want to completely understand how to use relative and absolute url address in static and dynamic files. ~ : / : .. : in a relative URL indicates the parent directory . : refers to the current directory / : always replaces the entire pathname of the base URL // : always replaces everything from the hostname onwards This example is easy when you are working without virtual directory. But i am working on virtual directory. Relative URI Absolute URI about.html http://WebReference.com/html/about.html tutorial1/ http://WebReference.com/html/tutorial1/ tutorial1/2.html http://WebReference.com/html/tutorial1/2.html / http://WebReference.com/ //www.internet.com/ http://www.internet.com/ /experts/ http://WebReference.com/experts/ ../ http://WebReference.com/ ../experts/ http://WebReference.com/experts/ ../../../ http://WebReference.com/ ./ http://WebReference.com/html/ ./about.html http://WebReference.com/html/about.html I want to simulate a site below, like my project which is working on virtual directory. These are my aspx and ascx folder http://hostAddress:port/virtualDirectory/MainSite/ASPX/default.aspx http://hostAddress:port/virtualDirectory/MainSite/ASCX/UserCtrl/login.ascx http://hostAddress:port/virtualDirectory/AdminSite/ASPX/ASCX/default.aspx These are my JS Files(which will be use both with the aspx and ascx files): http://hostAddress:port/virtualDirectory/MainSite/JavascriptFolder/jsFile.js http://hostAddress:port/virtualDirectory/AdminSite/JavascriptFolder/jsFile.js this is my static web page address(I want to show some pictures and run inside some js functions): http://hostAddress:port/virtualDirectory/HTMLFiles/page.html this is my image folder http://hostAddress:port/virtualDirectory/Images/PNG/arrow.png http://hostAddress:port/virtualDirectory/Images/GIF/arrow.png if i want to write and image file's link in my ASPX file i should write aspxImgCtrl.ImageUrl = Server.MapPath("~")+"/Images/GIF/arrow.png"; But if i want to write the path hard coded or from javascript file, what kind of url address it should be?

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  • Adding OutputCache to a WebForm crashes my site :(

    - by Pure.Krome
    Hi folks, When I add either ... <%@ OutputCache Duration="600" Location="Any" VaryByParam="*" %> or <%@ OutputCache CacheProfile="CmsArticlesListOrItem" %> (.. and this into the web.config file...) <caching> <outputCacheSettings> <outputCacheProfiles> <add name="CmsArticlesListOrItem" duration="600" varyByParam="*" /> </outputCacheProfiles> </outputCacheSettings> <sqlCacheDependency ........ ></sqlCacheDependency </caching> my page/site crashes with the following error:- Source: System.Web ---------------------------------------------------------------------------- TargetSite: System.Web.DirectoryMonitor FindDirectoryMonitor(System.String, Boolean, Boolean) ---------------------------------------------------------------------------- Message:System.Web.HttpException: Directory 'C:\Web Sites\My Site Foo - Main Site\Controls\InfoAdvice' does not exist. Failed to start monitoring file changes. at System.Web.FileChangesMonitor.FindDirectoryMonitor(String dir, Boolean addIfNotFound, Boolean throwOnError) at System.Web.FileChangesMonitor.StartMonitoringPath(String alias, FileChangeEventHandler callback, FileAttributesData& fad) at System.Web.Caching.CacheDependency.Init(Boolean isPublic, String[] filenamesArg, String[] cachekeysArg, CacheDependency dependency, DateTime utcStart) at System.Web.Caching.CacheDependency..ctor(Int32 dummy, String[] filenames, DateTime utcStart) at System.Web.Hosting.MapPathBasedVirtualPathProvider.GetCacheDependency(String virtualPath, IEnumerable virtualPathDependencies, DateTime utcStart) at System.Web.ResponseDependencyList.CreateCacheDependency(CacheDependencyType dependencyType, CacheDependency dependency) at System.Web.HttpResponse.CreateCacheDependencyForResponse(CacheDependency dependencyVary) at System.Web.Caching.OutputCacheModule.InsertResponse(HttpResponse response, HttpContext context, String keyRawResponse, HttpCachePolicySettings settings, CachedVary cachedVary, CachedRawResponse memoryRawResponse) at System.Web.Caching.OutputCacheModule.OnLeave(Object source, EventArgs eventArgs) at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Ok .. so for some reason, the OutputCache wants a folder/file to be there? Well, i've had this site live for around 3 years and i'm pretty sure that the folders \Controls and \Controls\InfoAdvice doesn't exist on my production server. On my localhost, it sure does .. and contains a large list of ascx controls. But they don't exist on my live server. So ... what is going on here? Can anyone please help? Oh :) Before someone suggests I create those two folders and even stick a random file in those folders .. and have some random text in those random files .. i've done that and it doesn't seem to work, still :( Please Help !

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  • RegisterClientScriptBlock code not executing.

    - by ProfK
    I'm using the following code in an attempt to show a dialog with a list of errors on the client: if (rollout.ImportErrors.Count > 0) { ClientScript.RegisterClientScriptBlock(GetType(), "showErrors", "showErrors();", true); } The error count is non-zero and the following script block is emitted, but the script isn't executing. <script type="text/javascript"> //<![CDATA[ $("#error-report").dialog("open")//]]> </script> If I call the function directly from a Firebug console window, the dialog shows properly, so I know the dialog and my code are working. What am I doing wrong? BTW, this code is in a content page, using a content placeholder that 'injects' code into the element of the rendered page.

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  • dynamically getting base url inside js file

    - by uzay95
    I eant to run function inside web service (.asmx file) $.ajax({ type: "POST", contentType: "application/json; charset=utf-8", url: '/Admin/WebSrvcs/Management.asmx/f_SearchLabel', data: "{_sQuery:'" + obj.value + "'}", dataType: "json", But I don't know where will be my root url(http://localhost:4399/VirDir or something else it may be) address inside js file. And i need to reach root folder of application to find asmx file. $.ajax({ type: "POST", contentType: "application/json; charset=utf-8", url: 'http://localhost:4399/virDir/Admin/WebSrvcs/Management.asmx/f_SearchLabel', data: "{_sQuery:'" + obj.value + "'}", dataType: "json", I am working on Visual Studio 2008 and building web site with C#. any help would be greatly appreciated

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  • Build and render infinite hierarchical category tree from self-referential category table

    - by FreshCode
    I have a Categories table in which each category has a ParentId that can refer to any other category's CategoryId that I want to display as multi-level HTML list, like so: <ul class="tree"> <li>Parent Category <ul> <li>1st Child Category <!-- more sub-categories --> </li> <li>2nd Child Category <!-- more sub-categories --> </li> </ul> </li> </ul> Presently I am recursively rendering a partial view and passing down the next category. It works great, but it's wrong because I'm executing queries in a view. How can I render the list into a tree object and cache it for quick display every time I need a list of all hierarchical categories?

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  • Update data programmatically using EntityDataSource

    - by Vinay
    Hello guys, I want to update the data using programmatically in code behind using EntityDataSource. I have done the samething using Update method of LINQ Datasource. sample code snippet int id = Convert.ToInt32(e.CommandArgument); ListDictionary keyValues = new ListDictionary(); ListDictionary newValues = new ListDictionary(); ListDictionary oldValues = new ListDictionary(); keyValues.Add("ReviewID", id); oldValues.Add("IsActive", "IsActive"); newValues.Add("IsActive", "false"); GridDataSource.Update(keyValues,newValues, oldValues); Can I achieve the same thing using EntityDataSource? Thanks, Vinay

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  • An Object reference is required for the non-static field

    - by Muhammad Akhtar
    I have make my existing method to static method to get access in javascript, like.. [WebMethod(EnableSession = true), ScriptMethod()] public static void Build(String ID) { Control releaseControl = LoadControl("~/Controls/MyControl.ascx"); //An Object reference is required for the non-static field, mthod or property // 'System.Web.UI.TemplateControl.LoadControl(string)' plc.Controls.Add(releaseControl); // where plc is place holder control //object reference is required for the nonstatic field, method, or property '_Default.pl' } When I build I am getting error and I have posted these in comments below each line before converted it to static method, it working perfectly. Please suggest me the solution of my issue. Thanks

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  • AJAX binds jquery events multiple times

    - by Dynde
    Hi... I have a masterpage setup, with a pageLoad in the topmost masterpage, which calls pageLoad2 for nested masterpages which calls pageLoad3 for content pages. In my content page I have a jquery click event and in my nested masterpage I have a web user control. Whenever I use the user control in the nested masterpage, it rebinds the click event in the content page (undoubtedly because the pageLoad3 is called again), but this makes the click event fire twice on a single click. The problem gets worse the higher up masterpages you go (eg. fires 3 times if user control from topmost masterpage is called). Can anyone tell me how to make sure it only binds the jquery events once?

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  • Linq-to-SQL statement issue

    - by Anicho
    I am basically looking to bind a search query to a gridview which is nice, but this must be done by a users input query (sort of like a search function). I can get single values and rows returned, but how would I get it to search all columns in my database for the inputted values and return it? My code so far is: Void SearchFunction() { TiamoDataContext context = new TiamoDataContext(); var search = from p in context.UserProfiles where = p.DanceType == UserSearchString select p; UserSearchGrid.DataSource = search; UserSearchGrid.DataBind(); } I tried p.equals but am pretty sure thats not the way to go about it.

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  • dynamic data - all option in paging

    - by Sharique
    I'm developing a dynamic data web app. On list.aspx page it has GridViewPager control for paging, it option in drop down list as 10,20,.. rows in a page like that, but it does not an option show all rows in a page. How I can add "All" option in it?

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  • Globalization for GetSystemTimeZones()

    - by user300992
    I want to get a list of timezones, so that i can populate the dropdown list. In .NET 3.5, we have TimeZoneInfo namespace, here is the code: ReadOnlyCollection<TimeZoneInfo> timeZones = TimeZoneInfo.GetSystemTimeZones(); foreach (TimeZoneInfo timeZone in timeZones) string name = timeZone.DisplayName However, "DisplayName" is in English. How can I pass the cultureInfo so that it can return other languages? I tried setting the Thread.CurrentCulture and CurrentUICulture, it didn't work. Am I missing something?

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  • HtmlForm.Action and .Net Framework 2.0/3.5 Query

    - by Brian
    Disappointingly, the members page for HtmlForm 2.0 is missing... My research seems to indicate that HtmlForm.Action is a property that was added in .Net Framework 3.5. However, I'm using VS2005 and my reference to System.Web (the namespace HtmlForm is under) is to a .Net Framework 2.0 runtime version. Further, my IIS status information also indicates I am using .Net Framework 2.0, when I force an error on my local IIS and read it. Despite this, I am able to use form1.Action successfully...but only on my local IIS. When I try it on vms and external servers, I get [MissingMethodException: Method not found: 'System.String System.Web.UI.HtmlControls.HtmlForm.get_Action()'.] errors. So, my question: 1) Why does it work on my local IIS? Does the fact that I have the 3.5 framework installed make a difference, here? 2) Why does it not work on other IIS? (I think this is because it's not part of .Net 2.0). I guess I just figure that if something is running on .Net Framework 2.0, the presence of 3.5 should not make a difference. Or maybe there's some other cause for these results.

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  • Show alert message box from the Global.asax (on Application_Error event)

    - by Albert
    Normally I just redirect to a custom error page in on the Application_Error event, but I have a specific error for which I'd like to display an alert message while the user is still on the page which triggers the error. How can I make this happen? I'm open to a modalpopup or any other type of error message, I just want to ensure the user stays on the page where they encounter the error. Thank for any ideas.

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  • aspnet membeship logon page and https redirect

    - by DefSol
    Hello, I have a gridview control that has on onclick event bound to every cell. Once a user clicks on a cell it directs them to a booking confirmation page and passes 3 url variables. This booking page is behind a aspnet membership and thus if the user is not logged in they are served the login page. The login page has a redirect to https connection in the onload event using the IsSecure property. The issue is once the user logs in, then is returned to the booking confirmation page I lose 2 of the url vars. If I remove the https redirect, everything works fine, but the user logs on on a http connection, which is not cool. Appreciate and help thanks Reuben

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  • Shouldn’t Bind() pass child control’s values to GridView before Page.PreRender?

    - by SourceC
    hello, For controls such as the GridView, DetailsView, and FormView controls, data-binding expressions are resolved automatically during the control's PreRender event But doesn’t data source control perform updates prior to Page.PreRender event? Meaning, shouldn’t Bind() pass child control’s values to GridView ( so they can be passed to data source control as parameters ) before data source control updates the data source, thus before Page.PreRender event? thanx

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  • Complex ModelBinders and being in charge of creating part of the model

    - by Kieron
    Hi, I've a scenario where I need to bind to an interface - in order to create the correct type, I've got a custom model binder that knows how to create the correct concrete type (which can differ). However, the type created never has the fields correctly filled in. I know I'm missing something blindingly simple here, but can anyone tell me why or at least what I need to do for the model binder to carry on it's work and bind the properties? public class ProductModelBinder : DefaultModelBinder { override public object BindModel (ControllerContext controllerContext, ModelBindingContext bindingContext) { if (bindingContext.ModelType == typeof (IProduct)) { var content = GetProduct (bindingContext); return content; } var result = base.BindModel (controllerContext, bindingContext); return result; } IProduct GetProduct (ModelBindingContext bindingContext) { var idProvider = bindingContext.ValueProvider.GetValue ("Id"); var id = (Guid)idProvider.ConvertTo (typeof (Guid)); var repository = RepositoryFactory.GetRepository<IProductRepository> (); var product = repository.Get (id); return product; } } The Model in my case is a complex type that has an IProduct property, and it's those values I need filled in. Model: [ProductBinder] public class Edit : IProductModel { public Guid Id { get; set; } public byte[] Version { get; set; } public IProduct Product { get; set; } }

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  • Mvc4 installer is incompatible with .net 4.5 but .net 4.5 is not installed

    - by jstell
    I'm getting the classic 'mvc4 installer is incompatible with .net 4.5' that many others have gotten except I do not have .Net 4.5 installed on this machine. MVC3 projects getting created just fine. I get this error when running the Web Installer for MVC4 Beta. System setup is VS2010 SP1, Windows 7 64-bit, Resharper is installed as well I am at a loss here and now seem to be just wasting time trying to fix this.

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