C# - Visual Studio Immediate Window - Lambda Expressions Aren't Allowed?
Dec 10, 2010
I'm debugging some tricky generic List-based code in VS 2010 - lots of heirarchy-processing etc.. Of course lambda expressions and anonymous methods aren't permitted within the immediates window and I can't be doing with stepping thru the code in the usual way as I'm still trying to get my head around the hierarchies ...Can anyone suggest a workaround or an alternative tool?P.S. An aside - I can't seem to find a visual studio 2010 tag?
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Sep 30, 2010
I have a ListBox that contains userNames which is inputted by a user during run time. This number of items in the ListBox is dependent on the user's input. These userNames will then be used in a Lambda expression like this:
var vHandleResult = vHandleResult.Where(a => a.UserName.Contains("userName"));
This works fine when there is only 1 user in the ListBox but doesn't produce the correct results when there are multiple items in the listBox. I tried manually creating the expression which should be written as this:
var vHandleResult = vHandleResult.Where(a => a.UserName.Contains("userName1") || a.UserName.Contains("userName2") || a.UserName.Contains("userName3") || a.UserName.Contains("userName4"));
I tried forming the "a.UserName.Contains("userName") expression as a string which is dependent on the number of the items (using foreach) and then just plug in the resulting string in the expression but it seems that it doesnt accept string as an expression.
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Mar 22, 2010
i get the above error when i try to run this sql statement
INSERT INTO PSPS_Posts (Post, Date_Posted, user_ID, Thread_ID) VALUES (@Post, @Date_Posted, @user_ID, (SELECT Thread_ID FROM PSPS_Thread WHERE Thread_ID = (SELECT MAX(Thread_ID) FROM PSPS_Thread
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Jan 9, 2011
[code]...
I get the Subqueries are not allowed in this context. Only scalar expressions are allowed - i am going to run into this quite alot so I figuredI'd better see what the right way is!
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Jan 8, 2010
I've copied and pasted code/controls into the html view, and I've tried just adding them, in the design view, to the design window. Then, when I go to code behind and try to refer to the controls (textbox1, calendar1, etc) - I get blue squiggly lines and when I hover over them, I'm told the controls are not declared.I've tried rebuilding the page, the website - switching from html to design view,shutting down and reopening VS.Net 2008. Still - the same thing happens
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Jan 28, 2010
I have 2 tables; they have a many-to-many relationship. One is called Blog the other is Tag.
A Blog can contain a List of Tag objects. How can I go about getting all blogs that have a passed in tag name using lambda expressions?
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Mar 24, 2010
My question:
Is it possible to design a page in Expressions Web and then use it in Visual Studio Presently, I am using an asp.net master page in Visual Studio with functionality from the VS tool box (navigation tree, login etc). These work fine but they are not very pretty. How can I keep all the functionality that Visual studio offers (I will be adding an SQL database) but have it looking better than the drag and drop tools in VS. Is it possible or not to connect an Expressions Web Master page easily, so it will drive the site already built in VS - but have a more attractive GUI?
Or, is there something that I am missing in Visual Studio - can I edit the drag and drop tools in there to build a GUI with a Microsoft feel and look?
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Aug 24, 2010
I'm positive that, by now, a lot of people have run into this problem but even with all the forum posts with great answers, I still can't seem to get to the bottom of it. Here are some specs:
Windows Server 2008 Visual Studio 2008 x86 So here's the issue:
I have VS2008 installed on the server listed above. This is our development server and everything is created and tested here. I have created an asp.net application, tested it on the dev. environment and everything works great. When I try to migrate this application up to our Quality Assurance environment (which is Windows Server 2003), I get the error in the subject title.
I've read many things that can be the cause of this and I'm positive that I know 2 ways of fixing it. One is from this post: Simple web site problem on Vista, related to <providerOption>, and the other is making sure 3.5 framework is at least installed on the server in question. There are 2 reasons why I'm unable to use these 2 methods:
The patches from DVD that I'm supposed to install won't let me install them. Upon double clicking I recieve a message saying the "Update is not applicable to your computer" I don't have permission to install 3.5 framework on the QA server even though it's installed on the Dev server. I've also tried changing the target framework of my application to 2.0 however this creates a bunch of errors as some of the code is not compatible and is unable to publish the project.
Perhaps know a reason why I can't install those .msu updates or have a workaround to the 2.0 vs 3.5 issue?
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Apr 25, 2010
In the "Regular Expression Editor" dialog in VS 2008 ( or 2005 for this matter ) ,
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"French phone number" , "French postal code" etc..
And of course there is an option to select a "Custom" and then enter your own regular expression.
Well.. I want to add a predefined expressions to that list . Like : "Israeli phone number" .
I don't want to enter it every time by selecting a custom value .
I want my developers in the team available items for them to choose.
Anyone knows how to alter that list ?
I've found some question about it on the web - and the answer given is that it's not possible .
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Mar 24, 2010
I am just started working as a programmer last month, so there will be plenty of newbie question come from me, stay tuned... I am now working on modify the provided template (from DevExpress) to create new web form using ASP.NET 2.0 on Visual Studio 2008.
While the functionality of that web form is there, I am in the process of get rid of ninety something warning message, most of them come from the provided template.
One of them puzzled me for a while is this one:
"Warning 75 Content is not allowed between the opening and closing tags for element 'ClientSideEvents'."
And here is the code:
[code]...
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Jan 26, 2010
I have press ctrl-F or view-> find in VS2008 for a project. The find window does not
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Aug 26, 2010
everytime i debug the application i get the disassembly tab window i tried tools/option & unchecked show disaasembly if not is not avaliable & sourec file to exce;ty open the original file
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May 25, 2010
In the video here [URL] Joe adds event stubs to his code by selecting them from the drop down in upper right portion of the code window. I can do this in VB, but not C#. Is this feature only available in VB? Is there a setting I must adjust in C#? Is there a way in C# to get a stub for the (for example) OnPreInit event?
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Oct 12, 2010
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Jan 7, 2011
how to increase size of Immediate window by default in vs 2010 Professional?
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Oct 9, 2010
The events tab in my property window disappeared.
I opend various applications and made even a new one, but nothing..
Changed from design to source view and back, even performing a "reset all settings "from the tools - import and export setting dus not give me my events tab back.
how to get the tab (with the lightning bold) back??
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Feb 25, 2010
As far I know this is not supported for asp.net projects. It's quite handy for testing static/shared functions.any info if this will be available in future versions? Or if there are any alternative ways to test your functions in design mode?
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Feb 15, 2010
I have a simple question : in the output window when you build a solution, how to change its behavior so that files with errors do not appear with their full path? I only need the file's name, not its full path.
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Oct 22, 2010
I lost my error list window and I can't get it back even when ctrl-w, ctrl-E is invoked or from the menu.
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Jun 23, 2010
When i create a sql script in the Query Builder (going through the wizard in a DataSet) the Query Builder window is to small for me. Is there a way to maximize this window by default?PS, I have previously posted this in the forum "Visual Studio 2008.
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Jan 11, 2010
Is it possible to serialize object direct from Visual Studio .NET Debug window. I have a very complex object structure which contains multiple sub objects along with List item etc. I mean the Hierarchy is complex. And I need to analyze the object graph closely for that I need an offline view (may be in the from of XML/ Serialization). I can not do that from VS.
(One can reccomend me to use XMLSeriliazation in my code to generate but please consider that may not be alwways possible because of
1. with default .NET Serialization class a complex object which has manu sub objcts with Collection. is not get serialized properly. So need custom serialization & deserilazation code for that, does not come witf Microsoft Librarry.)
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3. I do not want to spent time creating or evaluating any ones custom serilaization code/tool
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Feb 14, 2010
In the past I've created labels on a page that are set to visible when something happens. This has been useful in letting me know when a certain method was called or to help me understand what was happening behind the scenes.
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Jun 13, 2010
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Jan 29, 2010
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Jan 19, 2010
In a custom component, there is a popup window that should appear to me so that I can manipulate one of the lists (an in-built editor). The component is Telerik, but I don't think that has anything to do with it (maybe).
The popup window is no longer popping up to me. I wonder if it got minimized or it's a z-index thing, where the window is behind VS? But this locks up VS, and I can't do anything within it until I cancel the window. But I can't cancel the window because I can't see it... and so that is really slowing me down and is really frustrating.
Is there a way to get around this? A key press to bring this to the front or give it the focus?
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