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• .net app won't run. When compiling on dest machine (same sources) it does work. Why?

  - by reinier

  I have a service which needs to be deployed on a clients machine. The destination machine is 64bit. My dev machine is also 64 bit. The app is really simple, listens on a port and does some db things. It targets .net 3.5 When I deploy the Anycpu, the X64 or the X86 version, the thing won't install on the clients machine. I checked dependencywalker and it lists: devmgr.dll ieshims.dll wer.dll anyhow...I install visual studio 2008 on the clients machine... check out all the sources. I don't change a thing and compile. Copy the exe over to it's dest locations...and what do you know..it works. Dependencywalker still lists the same dependency problems. How can it be that the act of compiling it on this machine gives me a different exe?

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• Run a function when a DOM element is created

  - by Ed Woodcock

  Hi folks, I want to bind an event to a certain class and ID for when matching objects are created in the DOM. I am doing this as I have some jQuery code in an ASP UpdatePanel, which causes the DOM to be re-loaded on its partial postback. I have reset the events with live(), however I need to call a 2 line initialisation function as soon as the elements are created. Is there any way to attach this to live(), or some other jQuery function, or will I have to write code to do this myself? Thanks, Ed

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• Customise a control in dynamics crm

  - by webturner

  I've written code that can make a phone dial a number from a function call, that's done and dusted. What I would like to achieve is adding a Dial button to each phone number field on the forms in Dynamics CRM. Eventually this could also create a new phone record fill in the basic details and show it to the user to enter notes and an outcome for the phone call, and perhaps some other workflow bits to schedule the next call. Can I put a custom control on a standard form in place of the standard control. I'm assuming it would have to be an IFrame to an asp.net page, that pulls in the record id, and the field name, looks up the number to show in a text box, and passes the number to the DialNumber function. Hey presto... I assume its not going to be that easy... Has anyone tried this before, what's the process, what are the gotchas?

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• How to handle concurrency control in dynamic data?

  - by Andrew

  I've been quite impressed with dynamic data and how easy and quick it is to get a simple site up and running. I'm planning on using it for a simple internal HR admin site for registering people's skills/degrees/etc. I've been watching the intro videos at www.asp.net/dynamicdata and one thing they never mention is how to handle concurrency control. It seems that DD does not handle it right out of the box (unless there is some setting I haven't seen) as I manually generated a change conflict exception and the app failed without any user friendly message. Anybody know if DD handles it out of the box? Or do you have to somehow build it into the site?

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• How to Route URL from one domain to another..

  - by Magic

  Hello, I am an C# ASP.NET developer. I am trying to route URL from one domain to another using Godaddy IIS Virtual dedicated server or Dedicated server. For example I have a website application called A_Application in my server. An example URL: www.myserver.com/A_Application/product/bear/?productid=1 or using pretty URL www.myserver.com/A_Application/product/bear/1 I would like to setup for my client to point to A_Application using his/her domain. My Client example URL will be: www.hisserver.com/product/bear/?productid=1 or using pretty URL www.hisserver.com/product/bear/1 Thanks!

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• Possible Performance Considerations using Linq to SQL Repositories

  - by Robert Harvey

  I have an ASP.NET MVC application that uses Linq to SQL repositories for all interactions with the database. To deal with data security, I do trimming to filter data to only those items to which the user has access. This occurs in several places: Data in list views Links in a menu bar A treeview on the left hand side containing links to content Role-based security A special security attribute, inheriting from AuthorizeAttribute, that implements content-based authorization on every controller method. Each of these places instantiates a repository, which opens a Linq to Sql DataContext and accesses the database. So, by my count, each request for a page access opens at least six separate Linq to SQL DataContexts. Should I be concerned about this from a performance perspective, and if so, what can be done to mitigate it?

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• How would you implement database updates via email?

  - by jules

  I'm building a public website which has its own domain name with pop/smtp mail services. I'm considering giving users the option to update their data via email - something similar to the functionality found in Flickr or Blogger where you email posts to a special email address. The email data is then processed and stored in the underlying database for the website. I'm using ASP.NET and SQL Server and using a shared hosting service. Any ideas how one would implement this, or if it's even possible using shared hosting? Thanks

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• how to check session upon start in masterpage or in global.asax

  - by user572276

  i am new in asp.net form authentication and sessions i would like to know how to save session in masterpage or in global.asax and how to clear session how to better handle session timeout by redirecting to a page this is my web.config session settings <sessionState mode="InProc" cookieless="false" timeout="1"></sessionState> code in my masterpage if (Request.Url.AbsolutePath.EndsWith("SessionExpired.aspx", StringComparison.InvariantCultureIgnoreCase)) { HtmlMeta meta = new HtmlMeta(); meta.HttpEquiv = "Refresh"; meta.Content = "7; URL=./Login.aspx"; Page.Header.Controls.Add(meta); } else HttpContext.Current.Response.AppendHeader("Refresh", Convert.ToString((Session.Timeout * 60)) + "; Url=./Public/SessionExpired.aspx");

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• What is the difference between Window.load and document.readyState

  - by prakash

  Hi All, I have one question , In my ASP.NET MVC web application i have to do certain validation once page and all controls got loaded. In javascript i was using belwow line of code for calling a method. window.load = JavascriptFunctionName ; Some one from my team asked me not used above line of code Instead use JQuery to do the same document.attachEvent("onreadystatechange", function() { if (document.readyState === "complete") { CheckThis(); } }); Please help me in understanding what is the difference between two. When i tested by keeping alert in both Jquery check is executing first and calling the CheckThis function where as window.load is taking some time and executing after it. Please suggest

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• HttpContext User value changing on its own?

  - by larryq

  Hi everyone, I'm working on an ASP.Net 2.0 application and am having a strange issue involving the HttpContext User. It appears to be changing on its own when I go to a particular page/directory. All of our pages inherit from a base page. In that base page's Page_Load() method we run an authorization check to see if the user can see the page they're going to. We retrieve the user to check against with this code: GenericPrincipal objPrincipal = (GenericPrincipal)Context.User; When I go to this unusual directory the User value isn't me, it's some other username I've never heard of. This username isn't authorized to see these pages, so authorization fails. This mysterious directory isn't a virtual web, just a regular directory in our website, however I've noticed it has its own Web.Config file. I'm guessing that's a cause of the trouble here. My question is, how can I investigate this further, in determining what's changing the User value when I go to this directory?

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• SQL Server Command Timeouts Timeout expired. The timeout period elapsed prior to completion of the o

  - by user104295

  Hi there, we've had a ASP.NET web application deployed for a number of years now.... last week we migrated to a slightly slower server to save some money. Now we're frequently getting command timeouts: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding This is understandable in that a slower server will take longer to produce results; take longer time and produce a timeout. Is there any system-wide way to get SqlClient to set a longer timeout? We cannot change the code, as it's everywhere... we're using multiple data access technologies as well. Maybe there's a default command timeout setting on a connection string? We just need to increase it by 30 seconds; we're happy to wait a bit longer for queries to return. thanks

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• Map a domain to an MVC area

  - by Simon_Weaver

  Anybody got any experience in mapping a domain to an MVC area? Here's our situation: Old system (still active but will soon redirect to new store): www.example.com - our main site where we send traffic store.example.com - our store site which is a completely separate site that is indexed in google New system: www.example.com - same site as before www.example.com/store - new store site - built in an ASP.NET MVC area Because store is a separate domain google gives it a separate entry in the search results. I'd like to keep this benefit in future but wondering whether or not there is a good way to map a domain (store.example.com) to the MVC area or if its just going to be more trouble than its worth. PS. I'm not trying to keep existing indexing - its a completely separate store so thats not possible. I just want to redirect to the corresponding page in the new store. I'm just trying not to lose the benefit of two domains for SEO purposes.

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• Cant open Nerd Dinner 1.0 VS 2008 SP1 MVC 2

  - by josephj1989

  I was trying to download some ASP.NET MVC Sample application to learn MVC. I tried Music Store and TownHall but they wont open in my VS2008.So I tried the common Nerddinner 1.0 but it gives error "The project Type is not supported by this installation" . I tried the 3rd Method suggested in the following post http://stackoverflow.com/questions/1002907/cant-open-nerddinner-project-in-vs2008 This is about changing the project type GUIDS.Now the project loads but when I run it throws an exception <add assembly="System.Web.Mvc, Version=1.0.0.0, Culture=neutral,PublicKeyToken=31BF3856AD364E35" /> I presume this is happening because the Nerddinner 1.0 is for MVC 1.0 and I have MVC 2.0 installed. How do I proceed now. I have spent a lot of time trying to get an MVC application working on my PC. I am happy if I can get any properly architected , MVC application of medium to high complexity to work on my PC. thanks

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• Are there C# controls that can be used to create a hierarchical list of prioritised items?

  - by Mendokusai

  I need to be able to display and edit a hierarchical list of tasks in a C# app. It can either be a Windows form app, or ASP.NET. Basically, I want similar behaviour to the way Microsoft Project handles tasks. The control would need to: 1) Maintain a list of items made up of several fields 2) Each item can have a number of children (at least 3 levels of nesting) 3) It needs to be very easy to change the parents/children of an item 4) It needs to be very easy to edit the fields (as fast as changing cells in Excel) 5) It needs to be very easy to reorder the items by dragging and dropping or cut and paste 6) If I can easily connect the control to a database, even better Before I go and create something manually, I'm wondering if there is something available already?

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• GridView take a Row

  - by GIbboK

  Hi I use asp.net 4 and c#. I have a GridView, I would like take a Row when in Edit Mode in my code and find a control. Here my code, but does not work, it takes only the first row for the GridView. Any ideas? protected void uxManageSlotsDisplayer_RowDataBound(object sender, GridViewRowEventArgs e) { switch (e.Row.RowType) { case DataControlRowType.DataRow: // Take Row in Edit Mode DOES NOT WORK PROEPRLY if (e.RowState == DataControlRowState.Edit) { Label myTest = (Label)e.Row.FindControl("uxTest"); } break; }

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• jQuery-AJAX to rebind dropdown list to results from stored procedure

  - by webworm

  I have a dropdown list of peoples names that is quite long. As many as 2,000 names. I would like to make it easier to find the name the user is interested in by limiting the dropdown list to a subset of names at a time. I have done this by creating a series of 26 links (A, B, C ... Z) that call a method in the code behind that populates the dropdown list with only those names starting with the letter the user clicked. This all works well but I would like to be able to use AJAX to accomplish this update of the dropdown list without a page refresh. I would like to use jQuery for the AJAX functionality rather than ASP.NET AJAX. My problem is I am not sure how to execute the stored procedure and then "rebind" the dropdown list with the new dataset via jQuery AJAX. Any suggestions or resources that might provide and example or walk-through? Thank you.

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• Bound a treeview control to user-defined complex type using EF 4

  - by GIbboK

  Hi, I use Asp.net, SQL 2008 and EF 4. I need display hierarchy data in a treeview control, Data is stored in a DB that use HierarchyId. Unfortunately, EF4 doesn't support HierarchyId. So in this case, I thought to have a stored procedure that deals with my hierarchy and return a result set back to EF that EF4 can turn into a collection of user-defined complex type that can then be bound directly to the treeview control. I imported a SPROC in EF 4 using Import Function and now I have a Complex DataType called: CategoryHierarchy_Result An image of my Model: Here some data from the Complex Type (in a GridView for example GridView1.DataSource = context.CategoryHierarchy(1);): My questions is: How to display my data from my Complex Type in a TreeView Control, showing a Tree structure that respect CategoryNodeString? I am a beginner an I never use TreeView before, any help or resource would be appreciated! Thanks!. Here some useful resource: http://www.robbagby.com/entity-framework/entity-framework-modeling-action-stored-procedures/

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• Setting minOccurs="0" (required) on web service parameters of type int

  - by Alex Angas

  I have an ASP.NET 2.0 web method with the following signature: [WebMethod] public QueryResult[] GetListData( string url, string list, string query, int noOfItems, string titleField) I'm running the disco.exe tool to generate .wsdl and .disco files from this web service for use in SharePoint. The following WSDL for the parameters is being generated: <s:element minOccurs="0" maxOccurs="1" name="url" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="list" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="query" type="s:string" /> <s:element minOccurs="1" maxOccurs="1" name="noOfItems" type="s:int" /> <s:element minOccurs="0" maxOccurs="1" name="titleField" type="s:string" /> Why does the int parameter have minOccurs set to 1 instead of 0 and how do I change it? I've tried using [XmlElementAttribute(IsNullable=false)] in the parameter declaration without success.

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• Save BLOB to disk as Image C#

  - by TGuimond

  Hello, I am developing a web application that calls web services developed by a third party to send/receive data from a clients database. I am building the application using ASP.NET 3.5 C#. The way that they are providing me images is in BLOB format. I call their method and what I get back is a DataSet with 2 fields "logo_name" and "logo" which is the BLOB field. What I want to do is: Save the image locally on the disk (to minimize calls to their database in the future). I have been playing around with a couple of different ways of doing this but cannot seem to get the image to save correctly. I have been able to create a file in a folder with the correct name but if I try to view the image it does not work. I was hoping someone could give me some sample code to show me how to save a BLOB field to the local disk? Thanks

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• Security approach in web application

  - by meep

  Hello everyone. I am designing a web application in ASP.NET / C# where each registered user has the ability to add/modify/delete rows based on their user-id. Take this example: I am going to edit my route on the page /route.aspx?routeid=854 which belongs to me (user-id: 1). But because I am a curious guy I try to access /route.aspx?routeid=855 which belongs to another user (user-id: 2). How can I best avoid people from accessing other peoples data? Should I send each user id (from session) with each database-call, should I validate user/password on every page load or what is the best and most secure approach? I hope I made this clear enough.

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• How do I parse an XML file that's on a different web server?

  - by Tim

  I have a list of training dates saved into an XML file, and I have a little javascript file that parses all of the training dates and spits them out into a neatly formatted page. This solution was fine until we decided that we wanted another web-page on another sever to access the same XML file. Since I cannot use JavaScript to parse an XML file that's located on another server, I figured I'd just use an ASP script. However, when I run this following, I get a response that there are 0 nodes matching a value which should have several: <% Dim URL, objXML URL = "http://www.site.com/feed.xml" Set objXML = Server.CreateObject("MSXML2.DOMDocument.3.0") objXML.setProperty "ServerHTTPRequest", True objXML.async = False objXML.Load(URL) If objXML.parseError.errorCode <> 0 Then Response.Write(objXML.parseError.reason) Response.Write(objXML.parseError.errorCode) End If Response.Write(objXML.getElementsByTagName("era").length) %> My question is two-fold: Is there are a way I can use java-script to parse a remote XML file If not, why doesn't my code give me the proper response?

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• Session Logout in every two minutes.

  - by Pankaj Mishra

  I have Web Application in asp.net. Where I am maintaining Session for every User. And every Time I got logout in Approx 2 min. I tried to increase this time through web Config File upto 60 min but it is not working For me and I m getting same problem. I have created A class file For maintaining session.I am Using This Code. public static void createSession(System.Web.SessionState.HttpSessionState session) { Session = session; } This is my class file code. And I am calling this function in login Page load like this. BusinessClasses.SessionHandler.createSession(Page.Session); Then After I am Checking In everyPage. But this code is not working for me. Please Give Suggest me correct solution for this problem.

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• AJAX CascadingDropdown - Setting the selected index

  - by RPM1984

  I have a CascadingDropDown on an ASP.NET page. Now, the prompt text is "Select State". (list of states). However, on a different version of this page (ie querystring), i might want to set the selected index to "California" for example. How can i do this? The web service used by the ajax control (ie GetStates) gets invoked at the same time the jquery document.ready function is triggered (ie asynchronously). So when i try and set the selected index in jquery, the items are not yet bound. Is there a way to attach a handler to the ajax dropdown so that i can set the selected index once the webservice call has completed, and the items are bound?

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• Disable Eventlogging for some events using Healthmonitoring

  - by Rody van Sambeek

  I'm using basic healthmonitoring in an ASP.Net website. I'd like to prevent one event with a specific eventcode to appear in the eventlog. All other errors should be logged accordingly. I'd like to accomplish this using plain web.config settings. However I am unable to get it to work. Besides that, using IIS 5 on Windows XP does not write any events to the event log. I can't seem to find out what's wrong, on Windows 2003 it correctly logs the errors. Does anybody have an idea?

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• Accessing HttpRequest from Global.asax via a page

  - by Polymorphix

  I'm trying to get a property (ImpersonatePersonId) from a page in global.asax but get a HttpException saying 'Request is not available in this context'. I've been searching for some documentation on where in the pipeline the request is accessible, but as far as I can see all Microsoft can produce of documentation is one-liners like "PostRequestHandlerExecute: Occurs when the ASP.NET event handler finishes execution." which really doesn't give me much... I've tried placing the call in both Pre and PostRequestHandlerExceute but with the same result. I wonder if anyone with experience in this would be so kind as to tell me where the Request object is available. My code from global asax is below. ICanImpersonate page = HttpContext.Current.Handler as ICanImpersonate; ImpersonatedUser impersonatePerson = page != null ? page.ImpersonatePersonId : null; Response.Filter = new TagRewriter(Response, new TagProcessor(Context, impersonatePerson).Process); What I want to do is rewrite some HTML based on some request parameters.

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