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• Legacy Database, Fluent NHibernate, and Testing my mappings

  - by sdanna

  As the post title implies, I have a legacy database (not sure if that matters), I'm using Fluent NHibernate and I'm attempting to test my mappings using the Fluent NHibernate PersistenceSpecification class. My question is really a process one, I want to test these when I build locally in Visual Studio using the built in Unit Testing framework for now. Obviously this implies (I think) that I'm going to need a database. What are some options for getting this into the build? If I use an in memory database does NHibernate or Fluent NHibernate have some some mechanism for sucking the database schema from a target database or maybe the in memory database can do this? Will I need to manually get the schema to feed to an in memory database? Ideally I would like to get this this setup to where the other developers don't really have to think about it other than when they break the build because the tests don't pass.

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• Query data using LINQ to SQL and Entity Framework with foreign key? (Help me please)

  - by The Wind

  Hello! There is a problem I need help with your query on the data using LINQ to SQL and Entity Framework (I'm using Visual Studio 2010). My picure here: http://img.tamtay.vn/files/photo2/2010/5/28/10/962/4bff3a3b_1093f58f_untitled-1.gif I have three tables: tbl NewsDetails tblNewsCategories tblNewsInCategories (See screen 1 in my picture) Now, I want to retrieve records in the tblNewsDetails table, with condition: CategoryId=1, as the following results: (See screen 2 in my picture) But NewsID and CategoryId in tblNewsInCategories table is two foreign key, I do not see them and I do not know how to use them in your code. My code has errors: (See screen 3 in my picture) Please help me. Thanks! (I am a new member, should not have the right to insert images)

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• How to generate a compiler error based on an attribute being missing in C#?

  - by RodH257

  I create a number of add-ins for the Revit Structure API. Each tool has to habe a class which implements the interface IExternalCommand. In the latest version of Revit, for your tool to work you need to have two attributes on the class that implements that interface: [Regeneration(RegenerationOption.Manual)] [Transaction(TransactionMode.Automatic)] The values in brackets can change, but there must be something there. Often I am finding myself forgetting to put the attributes on, then when it comes to runtime it crashes. Is there any way in Visual Studio 2010 to add a compiler warning or error saying that if your class implements that interface it must have those 2 attributes? I have resharper if that helps. Can anyone point me into the right direction?

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• Can't Add LINQ to SQL classes to projects in VS2010

  - by MisterJames

  I just ran into something in Visual Studio 2010 RC that wasn't previously happening (like, yesterday). No software changes here, but I did run into some muck yesterday when compiling that required a reboot. I am unable to add LINQ to SQL classes to any project through the add dialog. I have created ASP.NET web sites, ASP.NET MVC projects - both of these as 'templated' and as 'empty' - and there appear to be no templates installed or available. I have made sure that the project targets the 4.0 Framework. I can easily add a new database and the ADO.NET entity framework templates are there. As a workaround I can copy a DBML file to my project, delete all tables and sprocs, update the connection string and use the leftover shell (the designer works fine like this), but it's a pain. Has anyone else had their templates drop? Figured out how to reinstall them?

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• Bug when adding a sprite to 1 <s:State>

  - by lostincode

  I'm working within a skin for a button that has some <s:State> normal over In the tag, I'm drawing a circle private var theshape:Sprite; private function drawShape():void { theshape = new Sprite(); theshape.graphics.beginFill(0x666666); theshape.graphics.drawCircle(3,5,10); theshape.graphics.endFill(); //i then add it to a Spite Visual Element that's defined in mxml canv.addChild(theshape); } This works fine, until I try to control under which states that canv SpriteVisualElement appears. If I just add an includeIn like this <s:SpriteVisualElement id="canv" includeIn="over" /> I get a run-time error TypeError: Error #1009: Cannot access a property or method of a null object reference. Any ideas what the problem is, or a different way I can accomplish the same thing. What I need is to simply include the circle in the button when it's in the hover state.

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• GEdit/Python execution plugin?

  - by Simon Woods

  Hi I'm just starting out learning python with GEdit plus various plugins as my IDE. Visual Studio/F# has a feature which permits the highlighting on a piece of text in the code window which then, on a keypress, gets executed in the F# console. Is there a similar facility/plugin which would enable this sort of behaviour for GEdit/Python? I do have various execution type plugins (Run In Python,Better Python Console) but they don't give me this particular behaviour - or at least I'm not sure how to configure them to give me this. I find it useful because in learning python, I have some test code I want to execute particular individual lines or small segments of code (rather then a complete file) to try and understand what they are doing (and the copy/paste can get a bit tiresome) ... or perhaps there is a better way to do code exploration? Many thx Simon

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• Creating an installer with WPF forms, packaged files and custom setup actions in C#

  - by RodH257

  I'm trying to create a way of deploying a set of tools (which are add-ins to 3rd party software) to my users. I would like to do the following: User Enters Serial Dlls in their directory structure is extracted to program files a file is copied to a location in ProgramData (this registers my add-ins to the 3rd party application) Online activation for software is performed Can anyone point me into the right direction for this? I had a look at deployment projects in Visual Studio but I'm not sure if they are what I'm after. Main problem is they are ugly, I would like to have a nice WPF installer, and have a more custom experience. But I guess that can be traded off if its going to make things easier. I was thinking, I could just make my own C# project that extracts the files, but I have no idea how to package them up and extract them all as part of one download (like the MSI files that the deployment projects create). Can anyone point me in the right direction?

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• Item Renderer having trouble updating

  - by duder

  I have a list ItemRenderer that has 2 states. When it initializes, I set it to 1 state and listen for an event that switches it to state 2. protected function onCreationComplete(event:FlexEvent):void{ currentState = "state1"; addEventListener(CustomEvent.Event1, switch); } protected function switch(event:FlexEvent):void{ currentState = "state2"; } The difference between the 2 states is that I hide/show some labels. The problem is that it doesn't work. I still see the visual of the old state, even though if I Alert.show(currentState), it shows the correct state name. I've tried adding the line invalidateDisplayList(); inside the switch function but still no luck. protected function switch(event:FlexEvent):void{ currentState = "state2"; invalidateDisplayList(); } What am I doing wrong. Any ideas how I can get this ItemRenderer to really update?

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• Why does my Excel add-in only half work?

  - by Dan Crowther

  I've created an Excel add-in using Visual Studio 2008. It has a ribbon, a bunch of panes and code that adds sheets and ranges and gets information scraped from a web page. When I run it on my dev PC it works perfectly. I used the Publish command to publich it and installed on a Windows XP virtual PC. The installation seemed fine and when I open Excel I see my ribbon. If I click a button that shows a pane, up pops the pane. If I enter some details into the pane that should create a range and populate it with data from a web page, the range is created but the web page is not visited (I have tested that I have connectivity). One of my buttons adds a hidden worksheet and another displays or hides that sheet. One of these buttons is not working. I've tried everything I can think of. I'm wondering if there are any permissions or trust issues I need to deal with?

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• VB.net 'cross-referencing' tables.

  - by Lee

  Hello, I have a DataGridView that is being filled with data from a table. Inside this table is a column called 'group' that has the ID of an individual group in another table. What I would like to do, is when the DataGridView is filled, instead of showing the ID contained in 'group', I'd like it to display the name of the group. Is there some type of VB.net 'magic' that can do this, or do I need to cross-reference the data myself? Here is a breakdown of what the 2 tables look like: table1 id group (this holds the value of column id in table 2) weight last_update table2 id description (this is what I would like to be displayed in the DGV.) take care, lee BTW - I am using Visual Studios Express.

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• datagridview winform tag only brings back the first row value

  - by jvcoach23

  I'm using visual studio 2008. I have a datagridview in a winform. I've bound to it using an object Private Sub LoadAllCampers() Dim Os As List(Of LE.Camper) = Nothing Dim Oc As New LE.Camper_Controller Os = Oc.GetCamperData(0) With Me.dgResults .DataSource = Os End With CamperBindingSource.DataSource = Os End Sub I have a tag setup on the ID property within the Camper class. when i double click on a row in teh datagridview, i do a me.dgResults.tag and it always shows the first rows ID value. If i change the ordering within the class, it will display a different value, but it's always the first value in the datagridview. I'm missing something simple to get this working.. just don't know what it is. Hopefully someone can spare a minute.

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• Reading from the Registry in ASP.NET

  - by Filip Ekberg

  I have a Library ( DLL ) that has a method with the following: var masterKey = Registry. LocalMachine. OpenSubKey("SOFTWARE\\Microsoft\\Dynamics\\5.0\\"); When running this method in an WinForms applicaiton, masterKey is not null and when running this in asp.net masterKey is null! I've checked the executing user with WindowsIdentity.GetCurrent().Name and the same user is executing both applications. The asp.net application is executed in visual studio ( debug: F5 ) and so is the WinForms application. How come I cannot read the key in asp.net?

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• Use of COM object in IIS 7

  - by Wouter d.A.

  Hi all, I am currently moving an ASP.NET web-project from an IIS 6 to a IIS 7 hosting environment. Everything seems to be running OK, except my calls to a COM object. I can perfectly instantiate an object of the COM type, but when I call one of its methods, the IIS crashes. The event log reports an error code "0xc0000374", which indicates a heap corruption. When I run the application inside the visual studio development server, everything goes well and the COM object code gets executed without any errors. This is also the case when the application is hosted on an IIS 6 machine. I have looked through all settings of the IIS 7 and have not found anything configurable for COM objects, like security or ... I have been struggling with this for a while and I'm out of ideas. Does anyone have any experience deploying COM objects on IIS 7? Your help would be very appreciated!

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• Coordinating the logging output from a web app installed in a SharePoint farm.

  - by Kelly French

  We are deploying web parts to SharePoint 2007 and would like to include logging (log4net). The ideal solution would be to use a database appender to avoid the problems with knowing which actual server is executing the web part. This questions has been helpful: http://stackoverflow.com/questions/219668/sharepoint-and-log4net. I've got log4net working in a stand-alone web app using Visual Studio dev server using the web.config for the log4net settings and a file appender for the output. I'd like to transition to SharePoint and still use the log file output so I can make sure it's all working first, then change the config around to log to a database. Is this going to be too much trouble? How have other developers added log4.net into their solutions for SharePoint?

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• asp:Menu Not working on webhost

  - by Brian

  I'm using Visual Studio Web Express 2008 to develop an ASP.Net website. I have a master page that every page inherits from and on that master page I have the asp:menu control. On my local machine the menu control works just fine. The javascript is emitted and the links work as well. However, when I upload it to my webhost service provider, the javascript is not emitted and my links do not work. I'm getting a feeling that my service provider really doesn't know much about .Net as they suggested that I make sure that I upload the .js files which isn't necessary. Does anyone have any suggestions that I can give them? They're asking me what requirements are needed. It seems to me that something is not setup on their server properly but according to them, they have .Net 3.5 SP1 installed.

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• Propertygrid changes not picked up when using menu shortcut for saving

  - by Ebbe

  I am trying to implement a simple windows forms application, where the user can edit instances of a simple Person class. The application makes use of the standard propertygrid, assigning instances of the Person class to the SelectedObject property of the propertygrid. When the user clicks the menu item Save, the application gets the selected item from the propertygrid and saves it. This works fine. However, if a shortcut such as ctrl+S, assigned to the menu item, is used for saving the SelectedObject of the propertygrid, then the changes are not picked up. It appears to be related to the fact that the properties of the Person object are not updated unless the field in the propertygrid looses focus, and the ctrl+S shortcut doesn’t take away focus from fields in the propertygrid. Other developers, such as Mark Gilbert, have solved this issue by forcing away focus from the propertygrid, but this seems to be a bit of a hack, especially since it would be nice to keep the focus at the field. The Visual Studio developers apparently got it right, but I haven’t figured out how.

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• ASP.NET MVC project won't start under IIS 5.1 on Windows XP SP3

  - by mrjoltcola

  I've a ASP.NET MVC 2 project that runs fine under Windows 7 and will start on Windows XP if I use the Visual Studio Development Server, however, starting under IIS generates an error: Unable to start debugging on the web server With the message The specified procedure could not be found No errors in the system event viewer. If I start without debugging I get an "HTTP 500 Internal Server Error" The reason I run it under IIS is the project also includes some WCF wsHttp web services that use certificates, so the VS Development Server is not adequate for hosting those. I have already seen the links on SO that talk about adding the wildcard mapping. I've already done that, just as I've done on Windows Server 2003 where I successfully host ASP.NET MVC RC2 for quite a while.

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• How do I pre-empt IIS StaticFileHandler with my own HttpHandler

  - by Hmobius

  Hi there, I'm building a website referencing an assembly that contains several js scripts as embedded resources, some controls which use those scripts and a 'HttpResourcesHandler' that knows how to retrieve those embedded scripts when asked for them. In web.config I have an entry in the section that reads <add verb="*" path="/embedded/controlscripts/*" validate="false" type="CWeb.Controls.Web.HttpResourcesHandler, CWeb.Controls.EditBox" /> This control adn the website work absolutely fine when debugging with the Visual Studio web development server, but if I then switch the website to run under IIS (v7 - I'm running Vista and there appears to be no problem with debugging the site using IIS 5 or 6), the control can no longer access the scripts. I get a HTTP 404.0 error screen indicating the StaticFileHandler cannot find the file. I know that - it's embedded. So the StaticFileHandler appears to be grabbing the request for the script before my own and returning a 404. How do I tell IIS to use my own resource handler for the embedded/controlscripts directory rather than the staticfilehandler? I'm running the website in classic mode by the way.

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• Need a creative machine name suggestions for dev machine.

  - by Jay

  So.. I have a windows machine running a dev-db server (oracle) , svn server (visual svn) and a project management tool (redmine). I need suggestions for a good host name for this machine, which is very easy-to-remember and sounds creative. Would love to hear from your experiences, for inspiration :) Here is what is on my mind right now: (xyz being the project name) < xyz >forge < xyz >labs Need more on these lines. Thanks for all your help.

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• Import Namespace System.Query

  - by GateKiller

  I am trying to load Linq on my .Net 3.5 enabled web server by adding the following to my .aspx page: <%@ Import Namespace="System.Query" %> However, this fails and tells me it cannot find the namespace. The type or namespace name 'Query' does not exist in the namespace 'System' I have also tried with no luck: System.Data.Linq System.Linq System.Xml.Linq I believe that .Net 3.5 is working because var hello = "Hello World" seems to work. Can anyone help please? Cheers, Stephen PS: I just want to clarify that I don't use Visual Studio, I simple have a Text Editor and write my code directly into .aspx files.

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• How to add a Web Reference to a SSL web service?

  - by Matt W

  Hi, I have a web service in a C#/3.5 project which has been running fine. This is until I set the "SSL port" in IIS to 443 and set the "IIS - Directory Security - Secure Communications - Require secure channel (SSL)" option to true. Now, the web reference cannot be updated and I cannot add a new web reference to the web service in that site. When I try to view the service in a browse using just HTTP I get the "This page must be viewed over a secure channel" and when viewed with HTTPS on the front I get "This web page not available." Could someone tell me how to get a Web Reference added using Visual Studio to this secure web service, please? Thanks, Matt.

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• static arrays defined with unspecified size, empty brackets?

  - by ahmadabdolkader

  For the C++ code fragment below: class Foo { int a[]; // no error }; int a[]; // error: storage size of 'a' isn't known void bar() { int a[]; // error: storage size of 'a' isn't known } why isn't the member variable causing an error too? and what is the meaning of this member variable? I'm using gcc version 3.4.5 (mingw-vista special) through CodeBlocks 8.02. On Visual Studio Express 2008 - Microsoft(R) C/C++ Optimizing Compiler 15.00.30729.01 for 80x86, I got the following messages: class Foo { int a[]; // warning C4200: nonstandard extension used : zero-sized array in struct/union - Cannot generate copy-ctor or copy-assignment operator when UDT contains a zero-sized array }; int a[]; void bar() { int a[]; // error C2133: 'a' : unknown size } Now, this needs some explaination too.

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• How to I serialize a large graph of .NET object into a SQL Server BLOB without creating a large bu

  - by Ian Ringrose

  We have code like: ms = New IO.MemoryStream bin = New System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bin.Serialize(ms, largeGraphOfObjects) dataToSaveToDatabase = ms.ToArray() // put dataToSaveToDatabase in a Sql server BLOB But the memory steam allocates a large buffer from the large memory heap that is giving us problems. So how can we stream the data without needing enough free memory to hold the serialized objects. I am looking for a way to get a Stream from SQL server that can then be passed to bin.Serialize() so avoiding keeping all the data in my processes memory. Likewise for reading the data back... Some more background. This is part of a complex numerical processing system that processes data in near real time looking for equipment problems etc, the serialization is done to allow a restart when there is a problem with data quality from a data feed etc. (We store the data feeds and can rerun them after the operator has edited out bad values.) Therefore we serialize the object a lot more often then we de-serialize them. The objects we are serializing include very large arrays mostly of doubles as well as a lot of small “more normal” objects. We are pushing the memory limit on a 32 bit system and make the garage collector work very hard. (Effects are being made elsewhere in the system to improve this, e.g. reusing large arrays rather then create new arrays.) Often the serialization of the state is the last straw that courses an out of memory exception; our peak memory usage is while this serialization is being done. I think we get large memory pool fragmentation when we de-serialize the object, I expect there are also other problem with large memory pool fragmentation given the size of the arrays. (This has not yet been investigated, as the person that first looked at this is a numerical processing expert, not a memory management expert.) Are customers use a mix of Sql Server 2000, 2005 and 2008 and we would rather not have different code paths for each version of Sql Server if possible. We can have many active models at a time (in different process, across many machines), each model can have many saved states. Hence the saved state is stored in a database blob rather then a file. As the spread of saving the state is important, I would rather not serialize the object to a file, and then put the file in a BLOB one block at a time. Other related questions I have asked How to Stream data from/to SQL Server BLOB fields? Is there a SqlFileStream like class that works with Sql Server 2005?

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• Help me please, javascript place problem or another thing??

  - by ilkdrl

  <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Urunler.aspx.cs" Inherits="Urunler" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <meta http-equiv="content-language" content="en" /> <link href="rss/example_ticker.css" rel="stylesheet" type="text/css" /> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script> <script src="rss/jquery.zrssfeed.min.js" type="text/javascript"></script> <script src="rss/jquery.vticker.js" type="text/javascript"></script> <title></title> <script type="text/javascript" src="lightbox/js/prototype.js"></script> <script type="text/javascript" src="lightbox/js/scriptaculous.js?load=effects,builder"></script> <script type="text/javascript" src="lightbox/js/lightbox.js"></script> <link rel="stylesheet" href="lightbox/css/lightbox.css" type="text/css" media="screen" /> <style type="text/css"> ........... ........... ........... <td style="background-color: #808080"> <script type="text/javascript"> $(document).ready(function () { $('#ticker1').rssfeed('http://www.xxxxxxx.com/map.asp').ajaxStop(function () { $('#ticker1 div.rssBody').vTicker({ showItems: 3 }); }); }); </script> <div id="ticker1" > </div> Hi, i have two scripts.lightbox and rss. lightbox script works very well in mywebform1 but rss feed dont work.I didnot solve that?Help me please. PS: on the other hand, my another webpage(mywebform2) in same website has only rss feed and works very well.

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• How to write a virtual conditional breakpoint in java

  - by Phuong Nguyen de ManCity fan

  I'm sorry if the question title may mis-inform you, but I cannot find a proper word to explain that. If you ever working with .NET, you would know that there is Assert class that will automatically wake up and attach debugger if necessary and then have debugger (Visual Studio) pausing at the Assert command, given the Assert command failed. Given I'm running a java program and having debugger connected, then how can I have debugger to break on certain condition without manually setup a break point? I'm expecting something like that: void doSomeThing(String x){ if (x==null) breakDebuggerNow(); }

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