IDE :: Linq Causing Run-time Compile Error But No Compile Error In VS2008?
Apr 20, 2009
I have a Linq-to-SQL class diagram in my web application containing the two tables in my database (held in a DBPro database project in the same solution). All was working fine yesterday. I start doing some work tonight and note that the solution compiles fine in Visual Studio, but when I run the web app I get a compilation error:
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: BC30002: Type 'FrostAlertDatabaseDataContext' is not defined.
[code]....
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Aug 27, 2010
I am having a problem while compiling one of my projects in vb.net. I have a solution consisting of multiple project,one of which is the exe. Now when i am trying to compile that project i get an error which states
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Mar 27, 2012
Today I investigated a logical bug in our software and figured out that this is related to the way VB.NET thread variables inside a loop.Let's say I have the following code:
Dim numbers As New List(Of Integer) From {1, 2, 3, 4, 5}
For Each number As Integer In numbers
Dim isEven As Boolean
[code]....
The problem is that isEven is declared but not assigned.In this specific case, it would be correct to write dim isEven as Boolean = false but I haven't done this.In VB.NET, a variable that is declared inside a for loop keeps its value for the next itaration. This is by design: [URL]but this is also dangerous pitfall for programmers.
However, until now, I haven't been aware of this problem/behaviour. Until now.Most of our code base is C# anyway, which doesn't allow the use of an uninitialized variable, so there is no problem. But we have some legacy code that is written in VB.NET that we have to support. So the best thing would be to generate a warning or even an error in this specific case.But even with Option Explicit / Option Strict this does not generate a warning / an error.Is there a way make this a compile time error or maybe a way to check this with FxCop?
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Feb 18, 2011
Why can I do the following :
Dim qNodes As IQueryable(Of XmlNode) = xDoc.ChildNodes.AsQueryable()
Dim test = qNodes.Where(Function(node) True)
although the following gives the error I stated in the title :
Dim qNodes As IQueryable(Of XmlNode) = xDoc.ChildNodes.AsQueryable()
Dim test = qNodes.Where(Function(node)
Return True
End Function)
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Nov 10, 2011
Dim box As MultiTextBox = New MultiTextBox
Dim i As Integer
for i = 1 to 3 Step 1
lengthWidthHeight = MultiTextBox.GetItemValues()
Next i
This excerpt of code is using the NXOpen API. In the NXOpen API, the MultiTextBox class is public. However, when I compile the code I get the message:
'NXOpen.UIStyler.MultiTextBox.Protected Sub New(ptr As System.IntPtr)' is not accessible >in this context because it is 'Protected'
My question is, how am I getting an error about protected scope? Could it also be that the API documentation is incorrect?
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Mar 28, 2009
I get the following error message when I try to compile anything, I've tried creating several different projects and they all do the same thing. does anyone know anything about this and how to fix it?
Error2An error occurred while signing: Failed to sign bin\Release\app.publish\\setup.exe. SignTool Error: Signtool requires CAPICOM version 2.1.0.1 or higher. Please
copy the latest version of CAPICOM.dll into the directory that contains
[code].....
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Nov 2, 2010
I have a VB6 Project which I need to build in VS2008.
i tried to open vbp file in VS2008, it opened a VB Upgrade Wizard and created a new folder with in my VB6 Project Folder.
At this point I am completely stuck.
Is there anyway to build VB6 in VS2008 or Do we have any free tools to convert VB6 to VB.Net.
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Apr 6, 2011
I had weird compile errors. When I opened a project of mine today, suddenly I received over 100 errors. It gives even error for try catch, foreach and all those functions under system and Microsoft.VisualBasic namespace. I have also class libraries and although references are looking added, main project doesnt recognize references as well. I tried clean solution, rebuilt solution, cleared my aspnet tmp folder, re-added references but no help. what could be the problem? anyone experienced such problem. my VS2010 isnt spoiled because any other project works fine,even with same class libraries.
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Jul 21, 2009
I'm trying to do a multiline If,then, else statement and I keep getting the Compile Error code "Block if without End if" This is part of my code (the rest is the same just repeated)
If ActiveCell.Value = 1 Then
ws2.Select
Range("A3").Select
ActiveSheet.Paste
[code]....
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May 11, 2011
We have a compilation with GC.KeepAlive (Object) method.When we try to complile, there is an error GC variable not defined.We try to reference mscorlib.dll manually in the project but it doesn't work.
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Apr 15, 2009
I am programatically creating a virtual directory for a new project deployer. The creation is fine and the setting are all exactly as I want them, however IIS Administrator shows ERROR. If I open the properties for the virtual directory and change the ASP.NET version from 2.0 back to 1.1.4322 and hit ok then refresh it will compile and show all the files properly.
Private Sub CreateVirtualDirectory(ByVal Path As String)
Dim IISSchema As New DirectoryEntry("IIS://localhost/Schema/AppIsolated")
Dim CanCreate As Boolean = Not IISSchema.Properties("Syntax").Value.ToString.ToUpper
[code]....
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Mar 2, 2010
i am using vb6 and sql express. came to this error when i press the update button it says "compile error invalid qualifier". the error is at " live.tostring("dd/mm/yy") "
private Sub cmd_update_Click()
Dim conn As New ADODB.Connection 'ADODB Connection Object
Dim recset As New ADODB.Recordset 'Recordset Object
Dim sql As String ' String variable to store sql command
[code]....
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Sep 23, 2011
I am teaching myself VB.Net at the moment but seem to be doing something wrong with ShowDialog. It pops up twice when I run the program. I do not get a compile error. [Code]
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Apr 11, 2009
I am compiling a program from my own program using VBCodeProvider and everything was working well but somewhere along the lines I changed a reference option or something and now everytime I try to build my child program I get the error
Error: BC2006 'option 'res' requires ':<resinfo>';
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May 7, 2010
Does anyone able to advise on abovementioned error? Under Private Sub UserForm_
[Code]...
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Nov 7, 2009
I'm using Visual Studio 2005 (college only has 2005 so..) and I have a very important program to write for college.My problem is, every time I try to compile I get the error: "Error while trying to run project: Could not load file or assembly "Program" or one of its dependencies. The given assembly name or codebase was invalid." We're talking a very simple program - I've only been learning for a few weeks.
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Jul 3, 2010
I've found that when trying to compile any program I receive this error on build:[code]I've tried reinstalling/repairing VS, resetting my settings and changing the target framework with no success. I even tried installing VS on another PC (both are running win 7 Pro 64 bit) only to still receive the same error.
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Apr 18, 2011
I am trying to read all selected items from a listbox in Visual Basic.
Dim x As Integer
Dim testValue As String
testValue = "20"
[code].....
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Apr 20, 2011
I'm trying to compile a brand new 2010 windows forms application with a form and a single button that should display a msgbox with "hello" in it.When I try to compile I get the error message:
Unable to write to output file <filename>: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
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Apr 20, 2012
I have been developing a Visual Basic 2010 .NET GUI based control application that has been growing over the last six months into quite an albatross. Suddenly, I have reached a brick wall where I cannot even edit a text label in the GUI without the following exception at compile time (debug) :
InvalidOperation Exception was unhandled
An error occurred creating the form. See Exception.InnerException for details. The error is: Index and count must refer to a location within the string.
Parameter name: count
This is entirely code independent - it happens if I simply drag a new control onto the GUI without even any code behind it - Once it happens the project is hosed - even if I undo or remove what I did.I have reinstalled VB from scratch on a new computer, and same problem. I am using Windows 7 and this happens with VB Express, Even with a trial version of Visual Studio Ultimate. I am completely stuck.
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Jan 4, 2011
I am trying to read all selected items from a listbox in Visual Basic.
Dim x As Integer
Dim testValue As String
testValue = "20"
[code]....
is the code I am trying. But When I run the code, I am getting "Compile error : Method or data member not found" I guess I am missing some references to use "ListBox.Items" method right?What is the required references/library.
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Mar 15, 2010
I am trying to created nested dictionary variable like the below, But I get compile error stating that it needs "}" at line where I am adding items (line #2) to my nested dictionary. What Am I missing here?
[Code]...
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May 3, 2010
This is VBA6.5.1040 using an Excel 2007 (12.0.6524.5003) SP2 MSO (12.0.6529.5000) spreadsheet. The aim is to use a cell in which one can type "Y" or "N" in answer to a question. Before proceeding, the code forces the user to choose one or the other (section B). This works perfectly well. I then added the code in section A so that the user could type "y" or "Y". It would then convert "y" to "Y" and the code would proceed as normal, and similarly for "N". However, the following code in section A produces: "Compile Error: End If without block If," and high-lights the first 'End If'.
[Code]...
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Feb 14, 2011
I am writing some simple utility applications in VB.NET. I am using Visual Studio 2010 Express.I'm trying to throw a FileFormatException exception in my code if a user specifies a file that has the wrong extension. Documentation indicates that this exception has been around since .NET 3.0. See
[URL]
However, Visual Studio gives me an error saying that System.IO.FileFormatException is not defined. It's not a typo, either. FileFormatException appears in the object browser in System.IO, but doesn't appear in the Intellisense drop down when I type System.IO.File.
Here is my simple function:
Function ValidateDBFile(ByVal DbFilePath As String) As Boolean
ValidateDBFile = False
If IO.File.Exists(DbFilePath) Then
Dim flInfo As New IO.FileInfo(DbFilePath)
[code]....
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Jun 19, 2009
I have a program in VBA that uses Flexigrids. A little while ago, the program stopped working giving the error 'Compile Error In Hidden Module'. We were advised to remove Windows update KB960715 which we did and it worked fine. However, it has just stopped working again for the same reason and that update is no longer installed.
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Sep 20, 2011
I'm surprised to get a compile error in release mode with the following code.I have a DEBUG only function declared
#If DEBUG Then
Private Function DEBUG_Check() As Boolean
'Do some checks[code]....
I get a compilation error "DEBUG_Check is not declared"I thought calls to Debug.Assert were completely removed from Release compile?
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Jul 13, 2009
I am working on a multi-form code. For some reason, this randomly began happening just about the time I finished my code. The intial form loads just fine, but when I go to click on any of the selected buttons, the code crashes. and I get an unhandled exception of type 'System.stackoverflowexception' occured. I have checked for any subs calling subs that call subs and I don't have anything of that nature. It is breaking at the point that is bolded and underlined.
[Code]...
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Jul 14, 2011
I have the following LINQ query:
Dim find_id = From p In dbContext.Residents _
Where p.person_name = occupant _
Select p
I then pull the first returned ID like so:
Dim building_id As String = find_building_id.FirstOrDefault.id
This works fine, except with the person has a ' in their last name, like M'arta. In this case I get a NullReferenceException.
Okay, the problem appears to be that when I am capturing the name initially from a GridView it is inserting into the value a #39 instead of ' and then LINQ is keeping things correct, so I end up with a non-match since it is attempting to match:
M#38arta = M'arta
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Jun 29, 2010
I'm trying to use a nested multi-line lambda Function in VB.NET and am getting an error. Here's what my code looks like:
cartItems = cartItems.Select(Function(ci) New With {.CartItem = ci, .Discount = discountItems.FirstOrDefault(Function(di) di.SKU = ci.SKU)})
.Select(Function(k)
If k.Discount Is Not Nothing Then
[code]....
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Aug 14, 2009
Is there some clever way of getting the date and time of when the dll was built/compiled?
I'm using the assembly version numbering and reflection to retrieve and display this info when the app is deployed. But in some scenarios it would be more convenient to know when then dll was actually compiled rather than the auto incrementing version number. I don't think the modified date on the dll file itself is reliable due to the way the app is deployed.
Dim assemblies = AppDomain.CurrentDomain.GetAssemblies
Dim assemblyName As String
Dim assemblyVersion As String
[Code].....
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