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• Powershell Transcript is empty when running script from SQL Agent Job in 2005 SQL Server

  - by Greg Bray

  I have a complex Powershell script that gets run as part of a SQL 2005 Server Agent Job. The script works fine, but it uses the "Start-Transcript $strLogfile -Append" command to log all of it's actions to a transcript file. The problem is that the transcript is always empty. It adds the header and footer to indicate that the transcript is starting and stopping, but it doesn't actually log anything. Example: ********************** Windows PowerShell Transcript Start Start time: 20100304173001 Username : xxxxxxxxxxxx\SYSTEM Machine : xxxxx-xxx (Microsoft Windows NT 5.2.3790 Service Pack 2) ********************** ********************** Windows PowerShell Transcript End End time: 20100304173118 ********************** When I execute the script from a command prompt or start - run everything works just fine. Here is the command used to run the script (same command used in the Operating system CmdExec step of the SQL Agent Job) powershell.exe -File "c:\temp\Backup\backup script.ps1" I first thought it must have something to do with the script running under the System account (default SQL Agent account), but even when I tried changing the SQL Agent to run under my own personal account it still created a blank transcript. Is there any way to get PowerShell Transcripts to work when executing them as part of a 2005 SQL Server Agent Job?

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• ASP.NET MVC Checkbox Group

  - by Greg Ogle

  I am trying to formulate a work-around for the lack of a "checkbox group" in ASP.NET MVC. The typical way to implement this is to have check boxes of the same name, each with the value it represents. <input type="checkbox" name="n" value=1 /> <input type="checkbox" name="n" value=2 /> <input type="checkbox" name="n" value=3 /> When submitted, it will comma delimit all values to the request item "n".. so Request["n"] == "1,2,3" if all three are checked when submitted. In ASP.NET MVC, you can have a parameter of n as an array to accept this post. public ActionResult ActionName( int[] n ) { ... } All of the above works fine. The problem I have is that when validation fails, the check boxes are not restored to their checked state. Any suggestions. Problem Code: (I started with the default asp.net mvc project) Controller public class HomeController : Controller { public ActionResult Index() { var t = getTestModel("First"); return View(t); } [AcceptVerbs(HttpVerbs.Post)] public ActionResult Index(TestModelView t) { if(String.IsNullOrEmpty( t.TextBoxValue)) ModelState.AddModelError("TextBoxValue", "TextBoxValue required."); var newView = getTestModel("Next"); return View(newView); } private TestModelView getTestModel(string prefix) { var t = new TestModelView(); t.Checkboxes = new List<CheckboxInfo>() { new CheckboxInfo(){Text = prefix + "1", Value="1", IsChecked=false}, new CheckboxInfo(){Text = prefix + "2", Value="2", IsChecked=false} }; return t; } } public class TestModelView { public string TextBoxValue { get; set; } public List<CheckboxInfo> Checkboxes { get; set; } } public class CheckboxInfo { public string Text { get; set; } public string Value { get; set; } public bool IsChecked { get; set; } } } ASPX <% using( Html.BeginForm() ){ %> <p><%= Html.ValidationSummary() %></p> <p><%= Html.TextBox("TextBoxValue")%></p> <p><% int i = 0; foreach (var cb in Model.Checkboxes) { %> <input type="checkbox" name="Checkboxes[<%=i%>]" value="<%= Html.Encode(cb.Value) %>" <%=cb.IsChecked ? "checked=\"checked\"" : String.Empty %> /><%= Html.Encode(cb.Text)%><br /> <% i++; } %></p> <p><input type="submit" value="submit" /></p> <% } %> Working Code Controller [AcceptVerbs(HttpVerbs.Post)] public ActionResult Index(TestModelView t) { if(String.IsNullOrEmpty( t.TextBoxValue)) { ModelState.AddModelError("TextBoxValue", "TextBoxValue required."); return View(t); } var newView = getTestModel("Next"); return View(newView); } ASPX int i = 0; foreach (var cb in Model.Checkboxes) { %> <input type="checkbox" name="Checkboxes[<%=i%>].IsChecked" <%=cb.IsChecked ? "checked=\"checked\"" : String.Empty %> value="true" /> <input type="hidden" name="Checkboxes[<%=i%>].IsChecked" value="false" /> <input type="hidden" name="Checkboxes[<%=i%>].Value" value="<%= cb.Value %>" /> <input type="hidden" name="Checkboxes[<%=i%>].Text" value="<%= cb.Text %>" /> <%= Html.Encode(cb.Text)%><br /> <% i++; } %></p> <p><input type="submit" value="submit" /></p> Of course something similar could be done with Html Helpers, but this works.

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• ASP.Net error: “The type ‘foo’ exists in both ”temp1.dll“ and ”temp2.dll" (pt 2)

  - by Greg

  I'm experiencing the same problem as in this question, but none of the answers fixed my problem. (edit: Setting the web.config batch attribute works, but that's a coverup, not a solution) The problem I'm having is with a User Control that I moved from the root directory to a subdirectory within the same Web Application project. It used to work fine before I moved it. When I moved it it started giving me the error message. It's saying that the class name exists in two dll files in Temporary ASP.NET Files. Sure enough, when I open Reflector, it's in two dlls. If I rename the class and ascx file, everything works fine. No usages of the original name exist within any of the files in my entire application. When I rename the file, I opened all of the dll files in Temporary ASP.NET Files with Reflector, and no references to the original class name exists. So where's this phantom reference coming from how can I fix this?

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• .NET HttpListener: when registering both HTTP & HTTPS I get "conflicts with an existing registration

  - by Greg

  I'm trying to use .NET HttpListener in a C# project. When I register my prefix "http://*:8080/" it does not seem to work for HTTPS urls (i.e. doesn't pick them up). When I try the following code to register both the HTTP and HTTPS versions of the prefix however I get the error: "Failed to listen on prefix 'https://:8080/' because it conflicts with an existing registration on the machine."* How can I get my prefix working for both HTTP & HTTPS? private HttpListener _listener; // Create prefixes var prefixes = new List<string>(); prefixes.Add("http://*:8080/"); prefixes.Add("https://*:8080/"); // Create HttpListener _listener = new HttpListener(); foreach (string prefix in prefixes) { _listener.Prefixes.Add(prefix); } _listener.Start(); // <== ERROR HERE thanks

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• WPF combobox loses Aero theme when using a style trigger

  - by Greg R

  I am using style triggers to change combo box to texbox if it's readonly, but for some reason when I apply the style, it cause the combobox theme to change from Aero to Windows Classic (the theme I currently have in use on my PC). Can I avoid this somehow? Here is my code: <ComboBox ItemsSource="{Binding Source={StaticResource AllCountries}}" SelectedValue="{Binding OrderInfoVm.BillingCountry}" DisplayMemberPath="Value" SelectedValuePath="Key" IsReadOnly="{Binding ReadOnlyMode}" Style="{StaticResource EditableDropDown}" /> <Style x:Key="EditableDropDown" TargetType="ComboBox"> <Style.Triggers> <Trigger Property="IsReadOnly" Value="True"> <Setter Property="SelectedValuePath" Value="Content" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="ComboBox"> <TextBox Text="{TemplateBinding SelectedValue, Converter={StaticResource StringCaseConverter}}" BorderThickness="0" Background="Transparent" FontSize="{TemplateBinding FontSize}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" FontFamily="{TemplateBinding FontFamily}" Width="{TemplateBinding Width}" TextWrapping="Wrap"/> </ControlTemplate> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style>

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• In Asp.Net MVC 2 is there a better way to return 401 status codes without getting an auth redirect

  - by Greg Roberts

  I have a portion of my site that has a lightweight xml/json REST API. Most of my site is behind forms auth but only some of my API actions require authentication. I have a custom AuthorizeAttribute for my API that I use to check for certain permissions and when it fails it results in a 401. All is good, except since I'm using forms auth, Asp.net conveniently converts that into a 302 redirect to my login page. I've seen some previous questions that seem a bit hackish to either return a 403 instead or to put some logic in the global.asax protected void Application_EndRequest() that will essentially convert 302 to 401 where it meets whatever criteria. Previous Question Previous Question 2 What I'm doing now is sort of like one of the questions, but instead of checking the Application_EndRequest() for a 302 I make my authorize attribute return 666 which indicates to me that I need to set this to a 401. Here is my code: protected void Application_EndRequest() { if (Context.Response.StatusCode == MyAuthAttribute.AUTHORIZATION_FAILED_STATUS) { //check for 666 - status code of hidden 401 Context.Response.StatusCode = 401; } } Even though this works, my question is there something in Asp.net MVC 2 that would prevent me from having to do this? Or, in general is there a better way? I would think this would come up a lot for anyone doing REST api's or just people that do ajax requests in their controllers. The last thing you want is to do a request and get the content of a login page instead of json.

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• log4net - where do I find XML DTDs or Schema references for things like log4net.Appender.FileAppende

  - by Greg

  Hi, Where do I find XML DTDs or Schema references for things like log4net.Appender.FileAppender configuration?

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• Which MacBook(Pro) for running Visual Studio 2010 on VMWare Fusion on a Mac?

  - by Greg

  Hi Anyone have experience running Visual Studio 2010 on a MacBook or MacBook Pro? (via VMWare fusion) Any feedback / advice based on your experience re what level of MacBook Pro (i.e. CPU type, CPU speed) you would target to get reasonable/good performance from VS2010 on it? (I'm just concerned about getting a base level MacBook Pro 13" 2.4GHz Core2Duo whether I would be frustrated with performance or not)

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• Bootstrap Backbone Marionette Modal

  - by Greg Pagendam-Turner

  I'm trying to create a dialog in backbone and Marionette based on this article: http://lostechies.com/derickbailey/2012/04/17/managing-a-modal-dialog-with-backbone-and-marionette/ I have a fiddle here: http://jsfiddle.net/netroworx/ywKSG/ HTML: <script type="text/template" id="edit-dialog"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal">×</button> <h3 id="actionTitle">Create a New Action</h3> </div> <div class="modal-body"> <input type="hidden" id="actionId" name="actionId" /> <table> <tbody> <tr> <td>Goal: </td> <td> <input type="text" id="goal" name="goal" > <input type="hidden" id="goalid" name="goalid" > <a tabindex="-1" title="Show All Items" class="ui-button ui-widget ui-state-default ui-button-icon-only ui-corner-right ui-combobox-toggle ui-state-hover" role="button" aria-disabled="false" > <span class="ui-button-icon-primary ui-icon ui-icon-triangle-1-s"></span><span class="ui-button-text"></span> </a> </td> </tr> <tr> <td>Action name: </td> <td> <input type="text" id="actionName" name="actionName"> </td> </tr> <tr> <td>Target date:</td> <td> <input type="text" id="actionTargetDate" name="actionTargetDate"/> </td> </tr> <tr id="actionActualDateRow"> <td>Actual date:</td> <td> <input type="text" id="actionActualDate" name="actionActualDate"/> </td> </tr> </tbody> </table> </div> <div class="modal-footer"> <a href="#" class="btn" data-dismiss="modal">Close</a> <a href='#' class="btn btn-primary" id="actionActionLabel">Create Action</a> </div> </script> <div id="modal"></div> <a href="#" id="showModal">Show Modal</a> Javascript: var ActionEditView = Backbone.Marionette.ItemView.extend({ template: "#edit-dialog" }); function showModal() { var view = new ActionEditView(); view.render(); var $modalEl = $("#modal"); $modalEl.html(view.el); $modalEl.modal(); } $('#showModal').click(showModal); When I click on the show modal link the html pane goes dark as expected and the dialog content is displayed but on the background layer. Why is this happening?

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• WPF DataGrid does not scoll on drag

  - by Greg R

  I have a strange problem with a WPF DataGrid from WPF Toolkit. The scrollbars appear correctly when the number of rows grows, and the scrolling works when you press up or down arrows on the scrollbar. The problem comes in when I try to drag the scrollbar on the datagrid. My page has a scroll viewer around it. When I click and drag the scrollbar on the grid, it scrolls the page scroller instead. If the scrollbar does not apear on the page, there grid still does not scroll. Is there a workaround for this??? Would really appreciate some help with this issue! For example, in this case if the page is < 280, it scrolls on drag. But drag scrolling does not work on the grid. <ScrollViewer ScrollViewer.IsDeferredScrollingEnabled="True" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto" > <DockPanel> <dg:DataGrid HorizontalScrollBarVisibility="Auto" SelectionMode="Single" CanUserAddRows="False" CanUserDeleteRows="False" CanUserResizeColumns="False" CanUserSortColumns="False" AutoGenerateColumns="False" RowHeaderWidth="17" ItemsSource="{Binding Path=OrderSearchVm}" IsReadOnly="True" MaxHeight="280" DockPanel.Dock="Top"> <dg:DataGrid.Columns> <dg:DataGridTextColumn Width="75" Header="Date" Binding="{Binding Path=OrderDate}" > <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="Type" Binding="{Binding Path=OrderType}" Width="45"/> <dg:DataGridTextColumn Header="Shipping Name" Binding="{Binding Path=ShipToName}" Width="115"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="Shipping Address " Binding="{Binding Path=ShipToAddress}" Width="160"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="E-Mail" Binding="{Binding Path=Email}" Width="140"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> </dg:DataGrid.Columns> </dg:DataGrid> </DockPanel> </ScrollViewer>

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• Is Rails Metal (& Rack) a good way to implement a high traffic web service api?

  - by Greg

  I am working on a very typical web application. The main component of the user experience is a widget that a site owner would install on their front page. Every time their front page loads, the widget talks to our server and displays some of the data that returns. So there are two components to this web application: the front end UI that the site owner uses to configure their widget the back end component that responds to the widget's web api call Previously we had all of this running in PHP. Now we are experimenting with Rails, which is fantastic for #1 (the front end UI). The question is how to do #2, the back serving of widget information, efficiently. Obviously this is much higher load than the front end, since it is called every time the front page loads on one of our clients' websites. I can see two obvious approaches: A. Parallel Stack: Set up a parallel stack that uses something other than rails (e.g. our old PHP-based approach) but accesses the same database as the front end B. Rails Metal: Use Rails Metal/Rack to bypass the Rails routing mechanism, but keep the api call responder within the Rails app My main question: Is Rails/Metal a reasonable approach for something like this? But also... Will the overhead of loading the Rails environment still be too heavy? Is there a way to get even closer to the metal with Rails, bypassing most of the environment? Will Rails/Metal performance approach the perf of a similar task on straight PHP (just looking for ballpark here)? And... Is there a 'C' option that would be much better than both A and B? That is, something before going to the lengths of C code compiled to binary and installed as an nginx or apache module? Thanks in advance for any insights.

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• What's the simplest IOC container for C#?

  - by Greg

  What's the simplest IOC container for C#? Is simple to learn and get productive with for a small app. In my case a winforms app which I want to abstract the data layer for later potential migration to a web-service for the data layer.

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• can I use the IOC when using a 3rd party library

  - by Greg

  Hi, Q1 If I have a reusable library that is available, that uses interfaces with classes that use the getInstance concept to create concrete classes for you to use, then in this case would that make sense on the client side to use the IOC container to create instances of these classes? Or is that really applying a double layer of abstraction? Q2 Or in the cases where I'm building the reusable library myself and want the client to use an IOC container, then in my reusable library would I then dispense with any overhead of having factories or "getInstance" methods to instantiate the classes in the client? (i.e. as the IOC container would do this no?)

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• .NET Backgroundworker - Is there no way to let exceptions pass back normally to main thread?

  - by Greg

  Hi, QUESTION: Re use of .NET Backgroundworker, is there not a way to let exceptions pass back normally to main thread? BACKGROUND: Currently in my WinForms application I have generic exception handle that goes along the lines of, if (a) a custom app exception then present to user, but don't exit program, and (b) if other exception then present and then exit application The above is nice as I can just throw the appropriate exception anywhere in the application and the presentation/handling is handled generically

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• Qt/win: showMaximized() overlapping taskbar on a frameless window

  - by greg

  I'm building an application that has its own custom chrome. I have turned the default window border off by setting the flag: this->setWindowFlags(Qt::FramelessWindowHint); After this flag is set and the default window border is turned off, any calls to: this->showMaximized(); result in a window that takes up the entire screen, overlapping the task bar. Is there a common work around for this or another method I should be calling instead of showMaximized()? Win7/Qt4.6

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• Receiving "Path 'OPTIONS' is forbidden." Exception in ASP.NET website

  - by Greg

  I am getting the error "Path 'OPTIONS' is forbidden." since we moved our website over to a new server setup. I am unable to recreate the error but I am receiving emails for this exception at least a few times a day. Any ideas what could be causing this and how I can fix it? EDIT: Stack Trace: at System.Web.HttpMethodNotAllowedHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) There are no directories or files named OPTIONS and I believe all permissions are correct. I am finding some information about a possible link to EXCEL getting data from the webserver, but nothing that full explains how or what is happening yet. EDIT AGAIN: Seems this has to do with Excel files opening in Internet Explorer..

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• WPF, UserControl, and Commands? Oh my!

  - by Greg D

  (This question is related to another one, but different enough that I think it warrants placement here.) Here's a (heavily snipped) Window: <Window x:Class="Gmd.TimeTracker2.TimeTrackerMainForm" xmlns:local="clr-namespace:Gmd.TimeTracker2" xmlns:localcommands="clr-namespace:Gmd.TimeTracker2.Commands" x:Name="This" DataContext="{Binding ElementName=This}"> <Window.CommandBindings> <CommandBinding Command="localcommands:TaskCommands.ViewTaskProperties" Executed="HandleViewTaskProperties" CanExecute="CanViewTaskPropertiesExecute" /> </Window.CommandBindings> <DockPanel> <!-- snip stuff --> <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <!-- snip more stuff --> <Button Content="_Create a new task" Grid.Row="1" x:Name="btnAddTask" Click="HandleNewTaskClick" /> </Grid> </DockPanel> </Window> and here's a (heavily snipped) UserControl: <UserControl x:Class="Gmd.TimeTracker2.TaskStopwatchControl" xmlns:local="clr-namespace:Gmd.TimeTracker2" xmlns:localcommands="clr-namespace:Gmd.TimeTracker2.Commands" x:Name="This" DataContext="{Binding ElementName=This}"> <UserControl.ContextMenu> <ContextMenu> <MenuItem x:Name="mnuProperties" Header="_Properties" Command="{x:Static localcommands:TaskCommands.ViewTaskProperties}" CommandTarget="What goes here?" /> </ContextMenu> </UserControl.ContextMenu> <StackPanel> <TextBlock MaxWidth="100" Text="{Binding Task.TaskName, Mode=TwoWay}" TextWrapping="WrapWithOverflow" TextAlignment="Center" /> <TextBlock Text="{Binding Path=ElapsedTime}" TextAlignment="Center" /> <Button Content="{Binding Path=IsRunning, Converter={StaticResource boolToString}, ConverterParameter='Stop Start'}" Click="HandleStartStopClicked" /> </StackPanel> </UserControl> Through various techniques, a UserControl can be dynamically added to the Window. Perhaps via the Button in the window. Perhaps, more problematically, from a persistent backing store when the application is started. As can be seen from the xaml, I've decided that it makes sense for me to try to use Commands as a way to handle various operations that the user can perform with Tasks. I'm doing this with the eventual goal of factoring all command logic into a more formally-defined Controller layer, but I'm trying to refactor one step at a time. The problem that I'm encountering is related to the interaction between the command in the UserControl's ContextMenu and the command's CanExecute, defined in the Window. When the application first starts and the saved Tasks are restored into TaskStopwatches on the Window, no actual UI elements are selected. If I then immediately r-click a UserControl in the Window in an attempt to execute the ViewTaskProperties command, the CanExecute handler never runs and the menu item remains disabled. If I then click some UI element (e.g., the button) just to give something focus, the CanExecute handlers are run with the CanExecuteRoutedEventArgs's Source property set to the UI element that has the focus. In some respect, this behavior seems to be known-- I've learned that menus automat

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• Code Golf: Leibniz formula for Pi

  - by Greg Beech

  I recently posted one of my favourite interview whiteboard coding questions in "What's your more controversial programming opinion", which is to write a function that computes Pi using the Leibniz formula. It can be approached in a number of different ways, and the exit condition takes a bit of thought, so I thought it might make an interesting code golf question. Shortest code wins! Given that Pi can be estimated using the function 4 * (1 - 1/3 + 1/5 - 1/7 + ...) with more terms giving greater accuracy, write a function that calculates Pi to within 0.00001. Edit: 3 Jan 2008 As suggested in the comments I changed the exit condition to be within 0.00001 as that's what I really meant (an accuracy 5 decimal places is much harder due to rounding and so I wouldn't want to ask that in an interview, whereas within 0.00001 is an easier to understand and implement exit condition). Also, to answer the comments, I guess my intention was that the solution should compute the number of iterations, or check when it had done enough, but there's nothing to prevent you from pre-computing the number of iterations and using that number. I really asked the question out of interest to see what people would come up with.

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• How to do a "git export" (like "svn export")

  - by Greg Hewgill

  I've been wondering whether there is a good "git export" solution that creates a copy of a tree without the .git repository directory. There are at least three methods I know of: git clone followed by removing the .git repository directory. git checkout-index alludes to this functionality but starts with "Just read the desired tree into the index..." which I'm not entirely sure how to do. git-export is a third party script that essentially does a git clone into a temporary location followed by rsync --exclude='.git' into the final destination. None of these solutions really strike me as being satisfactory. The closest one to svn export might be option 1, because both those require the target directory to be empty first. But option 2 seems even better, assuming I can figure out what it means to read a tree into the index.

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• Entity Framework, Foreign Keys and EntityKeys

  - by Greg

  I've got a problem with the Entity Framework and the ForeignKeys. I've got a table "BC_Message_Assets" which has 3 FK's (MessageId, AssetId and StatusId). I create my "MessageAsset" like this MessageAsset messageAsset = new MessageAsset(); messageAsset.MessageStatusReference.EntityKey = new EntityKey("MyEntities.MessageStatusSet", "Id", 1); messageAsset.AssetReference.EntityKey = new EntityKey("MyEntities.AssetSet", "Id", 1); messageAsset.MessageReference.EntityKey = new EntityKey("MyEntities.MessageSet", "Id", messageId); context.AddToMessageAssetSet(messageAsset); context.SaveChanges(); But I got the following exception : The INSERT statement conflicted with the FOREIGN KEY constraint \"FK_BC_Message_Assets_BC_Assets\". The conflict occurred in database \"Test\", table \"dbo.BC_Assets\", column 'Id'.\r\nThe statement has been terminated. When I look at the query, I notice that the parameter value for AssetId is "0" despite that I provided "1" to the EntityKey. Here's the generated query : exec sp_executesql N'insert [dbo].[BC_Message_Assets]([MessageId], [AssetId], [CompletionTime], [StatusId]) values (@0, @1, null, @2) ',N'@0 int,@1 int,@2 int',@0=47,@1=0,@2=1 I can't explain what happens. I hardcoded "1" in the EntityKey and I received "0" in the query ?

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• clickonce - what is a good open source alternative to clickonce? (DDay.Update)?

  - by Greg

  Hi, What is a good open source alternative to clickonce? One that is most popular and under active development I guess? DDay.Update perhaps? Is this the main one? thanks PS. I've come up with a few from searching, but would appreciate any feedback from people how have reviewed these and have an idea of which is most popular/worth looking into first. .NET Application Updater Component - http://windowsclient.net/articles/appupdater.aspx nlaunch - http://code.google.com/p/nlaunch/ dotnetautoupdate http://code.google.com/p/dotnetautoupdate/

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• WPF Hide DataGridColumn via a binding

  - by Greg R

  For some reason I can't hide WPF Toolkit's DataGridColumn. I am trying to do the following: <dg:DataGridTemplateColumn Header="Item Description" Visibility="{Binding IsReadOnly}"> <dg:DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBox Text="{Binding Path=ItemDescription}" /> </DataTemplate> </dg:DataGridTemplateColumn.CellTemplate> This doesn't work, since it's looking for a IsReadOnly property on the ItemSource (not a property of the current class). If add this as a property of the ItemSource class that implements INoifyPropertyChanged, it still doesn't hide the column. Is there a way around this? I want the column to hid when a button click changes IsReadOnly property. Assume IsReadOnly returns a Visibility value and is a dependency property I am completely stuck, I would really appreciate the help! Thanks a lot!

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• .NET HttpListener - no traffic when listening to "https://*.8080" when browser proxy is set???

  - by Greg

  Hi, Background - I can get HttpListener working fine for HTTP traffic. I'm having trouble with HTTPS traffic however. QUESTION: How can I change the code below so that a browser request to a "https" URL will actually be picked up by my HttpListener? Notes - At the moment with firefox's proxy settings set to "localhost:8080", when I listen to traffic on port 8080 ("https://*:8080/"), and I enter a HTTPS url in firefox, I am getting no traffic being picked up? (when I listen to just http and enter normal http url's it works fine) _httpListener = new HttpListener(); _httpListener.Prefixes.Add("https://*:8080/"); _httpListener.Start(); thanks

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• sqlite - any improvements for this attach code (running multiple sql commands transactionally in sql

  - by Greg

  Hi, Is this code solid? I've tried to use "using" etc. Basically a method to pass as sequenced list of SQL commands to be run against a Sqlite database. I assume it is true that in sqlite by default all commands run in a single connection are handled transactionally? Is this true? i.e. I should not have to (and haven't got in the code at the moment) a BeginTransaction, or CommitTransaction. It's using http://sqlite.phxsoftware.com/ as the sqlite ADO.net database provider. private int ExecuteNonQueryTransactionally(List<string> sqlList) { int totalRowsUpdated = 0; using (var conn = new SQLiteConnection(_connectionString)) { // Open connection (one connection so should be transactional - confirm) conn.Open(); // Apply each SQL statement passed in to sqlList foreach (string s in sqlList) { using (var cmd = new SQLiteCommand(conn)) { cmd.CommandText = s; totalRowsUpdated = totalRowsUpdated + cmd.ExecuteNonQuery(); } } } return totalRowsUpdated; }

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• How does this ajax call persist DOM changes in the browser cache?

  - by Greg

  For the purpose of the question I need to create a simple fictitious scenario. I have the following trivial page with one link, call it page A: <a class="red-anchor" onclick="change_color(event);" href="http://mysite.com/b/">B</a> With the associated Javascript function: function change_color(e) { var event = e || window.event; var link = event.target; link.className = "green-anchor"; } And I have the appropriate CSS to make the anchor red or green based on the classname. This is working. That is, when I click the anchor it changes color from red to green, which is briefly visible before the browser loads page B. But if I then use the BACK button to return to page A I get different behavior in different browsers. In Safari, the anchor is still green (desired behavior) In Firefox it reverts to red I imagine that Safari is somehow updating its cached version of the page, whereas Firefox isn't. So my first question is: is there any way to get FF to update the cached page, or is something else happening here? Secondly: I have a different implementation where I use an ajax call. In this I set the class of the anchor using a session variable, something like... <a class="<?php echo $_SESSION["color"]; ?>" ...[snip]... >B</a> And the javascript function makes an additional ajax call that changes the "color" session variable. In this case both Safari and Firefox work as expected. When going back from B to A the color is still green. But I can't for the life of me figure out why it should be different to the non-ajax case. I have tried many different permutations and for it to work on FF the "color" session variable MUST change (i.e. the ajax call itself is not somehow reloading the cache). But on coming BACK, the page is being reloaded from the cache (verified in Firebug), so how is the page even accessing this session variable if it isn't reprocessing the page and running that fragment of php in the anchor? I figure there must be something fundamental here that I am not understanding. Any insight would be much appreciated.

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