ERROR With WPF Designer In VS 2008 - Cannot Debug
Mar 31, 2009
I've started a project in Expression Blend and has been working the codes in Visual Studio 2008. It was alright, no problem. I've worked heaps of projects like that before without any problems. However, out of nowhere, my WPF designer in VS2008 now gives me the following error:
Object reference not set to an instance of an object.
at MS.Internal.Package.VSIsolationProviderService.CreateIsolationProvider(String identity, AssemblyReferenceProvider assemblyReferences, IEnumerable'1 assemblyFolders)
at MS.Internal.Providers.VSDesignerContext.GetIsolationProvider(IServiceProvider provider, [Code] .....
It displays the above instead of displaying the WPF designer. Also, I cannot Debug>Start Debugging the application anymore. I can still run/test/build it in Expression studio though. The funny thing is that if I restart a project in Expression blend, copy all the xaml codes, and copy all the vb .net codes from the original application, it works for some time, and then afterwards start giving me the same error at wpf designer in VS2008.
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Aug 10, 2011
At the moment, I'm writing tons of custom control, which all fits my needs. But the thing is, each time I Debug the project, it doesn't update the form designer at all, not even the code. My solution to this is to Rebuild the project, which can take time. This is very frustrating.
I'm using Microsoft Visual Studio 2010 Ultimate to compile.
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Jan 9, 2010
Visual Basic 2008 rookie question. I am getting the error message 'Error 1 The item "objDebugCIT163Lab1Cdrb.WeatherReport.resources" was specified more than once in the "Resources" parameter. Duplicate items are not supported by the "Resources" parameter.CIT163Lab1Cdrb'when I debug. I am familiar with Visual Studio 2008 having used it for my previous C# course. Zipped and attached the project below. I hadn't finished the coding, but this problem seems to be of a setup nature I should either resolve before I continue or start from scratch
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Jan 27, 2010
i have a problem with my code: [code] At the bold part, when i goto debug my program i get the error "Conversion from string "TrueFalse" to type 'Boolean' is not valid."
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Nov 24, 2010
The Form Designer in the IDE is no longer working properly. When I create a new project, the Form Designer will work, but after I save it and close the IDE and reopen the next day the Form Designer no longer shows the form and instead says "To prevent possible data loss before loading the designer, the following errors must be resolved: An Error occurred while parsing EntityName.Line 2, position 62" If I click ignore and continue, then it just displays a blank form with no controls. The problem appears to have started after I unistalled and reinstalled VB2008 Express.
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Apr 15, 2010
I'm using the SDK that my laptop's touchpad manufacturer, Synaptics, provides in order to extend the touchpad's functionality. In the SDK, there's a file named SynCtrl.dll, which contains a few ActiveX controls.Based on what I learned from the samples provided in the SDK (which are VB 5 old and don't compile), I wrote this little application:
[Code]...
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Aug 15, 2011
i have a control dll and i use this control in my project then i change this controls codes after i do it . appears some error on this lines in form1[designer]
Me.Dentisyon1 = New WindowsControlLibrary1.dentisyon
Friend WithEvents Dentisyon1 As WindowsControlLibrary1.dentisyon
what should i do?
[code].....
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Apr 3, 2012
I just made a bunch of changes to my program, so I can't just undo what I did. My main form gives me the following error every time I try to load the designer:
Warning1Value cannot be null.
Parameter name: objectType
I have rebuild the project with no success. A few other posts have mentioned that there could possibly be a reference to a button or image that no longer exists, but I have no idea which one.
Also, I don't really know what the information below means, but it shows up on the error page under 'call stack', so I figured I would include it
at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetRuntimeType(Type objectType)
at System.ComponentModel.TypeDescriptionProvider.GetRuntimeType(Type reflectionType)
[Code].....
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Mar 30, 2011
My self and most everyone else on our team is having the same issue with VS2008. The designer will not render many forms in designer mode. Currently I am getting this error "The type 'Team.CAD.UI.My.Resources.Resources' has not property named 'view_16'" Well veiw_16 is in the resouces file.
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May 7, 2010
I was working on my project (creating a new form), and when I switched from the code view back to the designer view, I got the following error:
The designer cannot process the code at line 118: Me.VDARSQLDATASET = New Veterinary_Digital_Anesthesia_Records.VDARSQLDATASET() The code within the method 'InitializeComponent' is generated by the designer and should not be manually modified. Please remove any changes and try opening the designer again.I am now getting this error on every page. This project has been working for months just fine, but for some reason the VDARSQLDATASET has dissapeared- kind of. I can still access the dataset (the file is still there), I just can't reference it in the code (intellisense can't find it).
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Jan 25, 2011
I have opened a VB project which was created using a previous version of VB. So, it popped up the conversion wizard and it completed the conversion to 2010.
But when I tried to view the forms (using "View Designer"), it shows the following message[code]...
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Feb 24, 2011
When I debug this project, I receive the following error:"Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another." It happens on the recordset open call.
rsData.Open "SELECT * FROM " & TempTableName & " WHERE 1 = 2", SQLConn, adOpenDynamic, adLockBatchOptimistic
The odd thing is that it only happens during debug. When I compile the .dll and use it, no error.I need to debug to filter review some data that is rejected in a later procedure.
Private Function CopyData _
(ByRef SQLConn As ADODB.Connection, _
ByRef SourceData As ADODB.Recordset, _
[code]....
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Jun 10, 2010
I am getting this error when I try to debug the application, when I build it it is correct.
Dim c As New Integer
c = 0
c = ds.Tables("scan").Rows.Count() {here I get the error}
Here is the false?
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Jun 3, 2012
I keep getting this error when trying to debug my project, I'm not sure if it is the same for all projects or not, but it's very annoying.
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Jan 27, 2011
I am attempting to update an existing winforms application, that was created with a dataset control on all the winforms pages. I have ported it from VS 2008 to VS 2010 and I need to update the database section and connect it to the SQL backend using traditional code method.In the Solution explorer, when I click on the Dataset files, and click "Exclude From project" I am unable to build the project.Is it advisable to comment out the code lines that refer to the dataset in the .designer.vb files?
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Nov 25, 2011
I want to add a List(Of Book) property to my user control. I defined a Book class and BookCollectionEditor class for CollectionEditor. And also I defined a public property named BookList for my user control. For a custom control it works fine but for user control, the designer does not display my property. On markup I can add a Book item but on designer it gives error: "Type 'System.Web.UI.UserControl' does not have a public property named 'BookList'."Isn't is possible to define a list property for a user control?
<TypeConverter(GetType(ExpandableObjectConverter)), Serializable()> _
Public Class Book
Private _name As String
Private _author As String
[Code]...
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Jun 1, 2010
I'm using VS2008 and SQL CE 3.5, building a smart client app. When I add a table adapter with this code:
UPDATE feeders
ET planningAreaID = @areaID
WHERE feeders.transformerID IN
[code].....
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Feb 15, 2011
I've been trying to complete a program that I have to write for a class but keep getting an error that when double clicked, takes me to the Application.Designer.vb screen. The error that shows up in the Error List is "Employee' is a type in 'WindowsApplication1' and cannot be used as an expression." The resources I've tried to use (book and web) have been no help. Does anyone know what needs to be done to correct this error so I can test my program and correct any other possible errors? I can also provide the code for the program, if that will be any help. Here is the code that shows up in the Designer window:
[Code]...
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Jun 10, 2010
I want to update my database using formatsqlparam, but when I debug it, it has an error saying:"Incorrect syntax near ','."[code]I am missing some syntax, but I couldn't find where it is.
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Sep 8, 2011
When i try to save my program an error pops up telling me that it cannot debug because some sort of file is missing... While my other projects just work, and while i repeat the same steps (placing an entity like a button, coding it), it just shows that error. Its really strange!
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Jun 24, 2009
I though I had solved this problem, but it is back:Code generation for property 'SelectedPeople' failed. Error was: 'Type 'ECS.Entities.Persistency.Person' in Assembly 'ECS, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is not marked as serializable.'The property on the error message is a List(Of Person) and for some reason it trigger this error, for almost anything I do, and its getting really anoying.Okanswering to the answers here is a little more information about the problem.
Yes it is during design time, it happens bascially anytime a open a form that has a UserControl that contains the Selected property in it, sometimes it happens even if I don't have focus on the form, also if I try to compile/run it happens and the message come in the form of a Message Box with just a OK, ECS.Entities.Persistency.Person is just a LINQ to SQL Generated Class, this should not matter at all to the problem, although I have added the attribute before the posting.he reason that this happens is because the Designer attempts to put the property on the Property Panel, and for that to happen, serialization happens.tryed to hide the property from the designer by using this attributes.
<DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)> _
<Browsable(False)> _
Public Property SelectedPeople() As List(Of Person)
[code].....
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Apr 25, 2012
I am trying to use a script mananger to use page methods to communicate between the server and client side of my page. I have added this code to the html
<asp:ScriptManager ID="ScriptManager1" runat="server"
EnablePageMethods="True">
When I add this, here is what is inserted into the designer page.
Protected WithEvents ScriptManager1 As Global.System.Web.UI.ScriptManager
But when this is automatically added, i get this error.
Error 52 Type 'System.Web.UI.ScriptManager' is not defined. C:UsersBillDesktopiPlan-7-layerlistingsummarytreeMain.aspx.designer.vb 32 44 iPlan
I added a reference in my project to system.web.services - but still can not seem to get around this error.
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Jan 17, 2011
I have a project with multiple forms that are used to edit tables in a project data source (access DB). All the forms work fine, except the ones that use designer generated lookups.
When I am editing a row in a bound DGV on the lookup forms, they function fine, and the save button works fine. However, once I go to close the form it starts throwing "System.ArgumentException: DataGridViewComboBoxCell value is not valid." multiple times.
I've created applications similar to this in VS2008 without any issues.
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Jun 18, 2010
Each time I drag the tables from the data sources into the form, frm, I get errors from the frm.designer.vb like
[Code]...
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Dec 18, 2009
I develop windows applications in VB.NET using Visual Studio 2008. Recently I reloaded my pc and moved from XP to Windows 7 64 bit. Now when I am debugging, when I should get a runtime error, the executable instead locks up when it should bring up the code with the line that it crashed on like you'd expect in debug.
This doesn't happen all the time, only when I get a runtime error in a separate assembly that is not in the assembly I'm debugging. It used to work fine, but now it locks up. If I run the executable outside of Visual Studio (without debug) I at least get a runtime error like you'd hope for. I don't even get that when debugging.
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Feb 15, 2012
I was trying to edit a excel document and save under different name and my coding for this is as follows.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Open
[Code]....
While debugging the code it resulting with me an error message asPublic member 'SaveAs' on type 'ApplicationClass' not found.
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Mar 5, 2009
I have some storyboards in XAML (WPF Project) and I´m calling them from the VB code with this:
Dim ServiceOff As Storyboard = DirectCast(FindResource("ServiceStopped"), Storyboard)
ServiceOff.Begin()
I´m getting the following error when trying to build:
Overload resolution failed because no accessible 'Begin' accepts this number of arguments.
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Apr 26, 2012
When I attempt to open forms in the designer in the IDE, I get this error:
Exception of type System.ComponentModel.Design.ExceptionCollection was thrown.
My project is building OK. Any ideas?
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Aug 18, 2011
After I've changed a form icon, I got an error in debug, i.e. 'System.Resources.MissingManifestResourceException' occurred in mscorlib.dll...
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Jun 30, 2011
I'm getting the 403 Forbidden error while running a VS 2010 in debug mode. It gives me this error as it tries to read thru an XML File. See attachment. This is a web app and it's reading an XML file that retrieves the DB/Server information. It's not the Web.Config file but just a regular xml file. This file is read by every application in our system. Not sure why it suddenly started doing this. I've created the virtual directory on our IIS Server and set permissions on the C:inetpubwwwrootAppName directory of my C: drive where the app resides.
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