.net - ASP.Net MissingMethodException - "ctor" Method Not Found?
Jun 9, 2009
We are getting intermittent problems on a production server that we cannot recreate.There are two very strange things about the issue. Firstly it's a method not found error on the constructor (ctor) for an exception handling helper class and secondly we have custom errors switched on for remote users and this property is being ignored.
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It has proven difficult to get information out of the team responsible for the production servers but I have managed to find out that as far as load balancing is concerned, this site is currently only running on one server (this can be made to switch over onto another if necessary). Given that this is an intermittent problem and there is only one server involved, then I find it difficult to believe that this could be an assembly issue. Surely if it was then the problem would occur every time?
I am getting an error when I try and run my service. I made sure everything in the project is VB .NET 2.0.This service used to work, but we have been making code updates... I did some research but I do not see anything relevant. Does this error mean that my function cause the issue? Or is it the List that is the issue?
What does this mean? This just started I never had this error.
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
I am loading an assembly dynamically and invoking a static method from it. The problem arises when the method uses a reference which is not trivial (e.g. mscorlib or System.Core) - I get System.MissingMethodException. I have tried going through the references assemblies of the loaded assembly and manually loading them all, thus forcing them to be loaded onto the AppDomain. I have checked CurrentDomain.GetAssemblies, the assemblies are loaded.
I am targetting framework 3.5 using a OneClick Deployment, code and packaging done in Visual Studio 2008 Standard Edition.I have code which works in my debug environment, and when installed on the development machine. It also works on one other machine. However, three other machines are throwing exceptions.The situation throwing the exception is that I have a serial port I am accessing, which is open, and which has been successfully opened. I then try to close the port using the following
I am trying to use a simple LINQ to Objects query.When I try to run my application I get the message:
System.InvalidOperationException was unhandled Message="An error occurred creating the form. See Exception.InnerException for details. The error is: Method not found: 'Void sharatTashlumimWS.paymentDetailsManager.set_ReleaseDate(System.DateTime)'." Source="WindowsApplication1" StackTrace:
I am getting a "Method not found: 'Boolean MyCompany.LibraryAssembly.SomeFunction (System.String)'" Exception/error when running a VB.NET console application. The method is part of an external assembly and it is definitely in the assembly. The error only occurs at runtime when I go to enter the function that calls the method. I have the assembly referenced by my project and I am not copying it locally. Intellisense shows no errors, and neither does the compiler. I am loading the assembly statically not dynamically. I reference the from a local folder (not the GAC) although the same version is also available from the GAC.
I'm making a notepad and i added find method to find the string and i programed the code but when i search some string in the text box the found string not be shown until i will scroll the text box to see it
it's not auto select or auto go to found text
so how can i do this and my code is Imports System.Text.RegularExpressions
I am trying to read all selected items from a listbox in Visual Basic.
Dim x As Integer Dim testValue As String testValue = "20"
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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.
When I start my application I get the following error:
method not found microsoft.visualbasic.msgboxresult
I have tried repairing my .NET installation.
Note: This error only occurs on one machine. On every other machine it works fine which makes me think something with the .NET assemblies was corrupted. It was working fine on the broken machine a few days ago.
I want to open a notepad file using VisualBasic.Interaction.Shell method. At present I get a file not found exception using the following code.
int pid = Interaction.Shell(@"D:abc.txt", AppWinStyle.NormalNoFocus, false, -1); But this works: int pid = Interaction.Shell(@"notepad.exe", AppWinStyle.NormalNoFocus, false, -1);
I know there is a function Contains that returns true if string has a certain substing in it. But is there a function that returns the count of instances of that substring inside another string.
I found a custom ListBox that, strangely doesn't have an InsertAt method and I would like to add one. The custom ListBox uses an object instead of just a list of strings like a normal ListBox. I was curious what the logic behind inserting a new item at a particular index would be.The only thing I could come up with was add the new ListBoxItem at the end, then using the specified index, I could either keep moving ListBoxItem objects to the bottom, with the Add() method, from that index till the ListBoxItem at that index equals the one added, or I could use that index number in a "calculation" till I know I've moved the correct number of objects.
In visual studio 2008 when open the design for a VB.Net windows form, i am getting the error " '.ctor' is not a valid identifier". I can see the form designer if I press the "Ignore and Continue" link. All other forms are loading fine.
The callstack with the error message:
at Microsoft.VisualStudio.Shell.Design.Serialization.CodeDom.CodeDomEventBindingService.ValidateMethodName(String methodName) at
In visual studio 2008 when open the design for a VB.Net windows form, i am getting the error " '.ctor' is not a valid identifier". I can see the form designer if I press the "Ignore and Continue" link.All other forms are loading fine.The callstack with the error message:
at Microsoft.VisualStudio.Shell.Design.Serialization.CodeDom.CodeDomEventBindingService.ValidateMethodName(String methodName)
(using vb.net) On our intranet site we have an app that loads customer or vendor information and then allows the users to edit info and add/update/delete contacts. I'm not sure what really changed to this program lately, but I keep getting this error:
Method not found: 'Int16 DBLayer.DBTools.ExecuteNonQuery(System.String, DB)'.
This occurs when i try editing any customer info and the vendor contacts, but the program works when I try editing the vendor info/addy. Here's the program code. There's a seperate program on our webserver that contains the classes used. Here's the main code that calls the classes:
TO ADD CONTACT M2MInterface.M2M.Customers.AddContact(Session("CustVendID"), txtFName.Text.ToUpper.Trim, txtLName.Text.ToUpper.Trim, Tools.RemovePhoneNumberFormat(Phone), Tools.RemovePhoneNumberFormat(Fax), txtEMail.Text, txtNotes.Text, False) TO UPDATE CONTACT
In my ASP.NET app, I'm using classic ADO 2.8 to save some data into an Access database. (Or a Jet database, for those who insist that Access is just the front-end.) So I have a RecordSet containing some data, and I want to set the value for some fields, but first I need to know the field type. So I use the Recordset.Type property:
Dim fieldType = rs("MyField").Type
And that unexpectedly results in an error: MissingMethodException was unhandled by user code -- Error: Missing method 'instance valuetype ADODB.DataTypeEnum [MyProjectName] ADODB.Field::get_Type()' from class 'ADODB.InternalField'.
Considering that it is .NET itself that has created the .NET/COM interop assembly, any idea why?And here's the strangest thing: When the debugger stops and reports the error and takes me to the spot in my code where it happened, and it has that great feature by which you can hover the mouse over any variable etc. and it will show its value -- so I hover over the rs("MyField").Type part, and, lo and behold, it shows the correct value!So if it could evaluate it at debug-time, why did it throw an error at run-time?
I have something strange occuring. The following code works 100% when run in VB2008 Express.When compiled and run onthe same system, it generates the above message.The codebasically opens a Access DB and loops thru the db There is a progress bar (also tried a simplelabel) to display progress using AbsolutePosition.
dbInUse.Open("Provider=Microsoft.ACE.OLEDB.12.0; Data Source=C:SCDBv4DataSCDBData.mdb") rsInUse.Open(OpenCommandSQL, dbInUse, ADODB.CursorTypeEnum.adOpenKeyset, ADODB.LockTypeEnum.adLockOptimistic)
We have an VB.net application that is being moved from one box to another. It runs great on the old box. The new box is configured the same as the old one but is on newer hardware. When I run the application on the new server it complains that the adobe toolkit that we use can not be found.
Consider a MyForm class that contains a shadowed implementation of Show(). It also contains a CreateForm() method, which accepts an instance of the form and calls the shadowed sub:
I'm helping my company upgrade from VS 2008 to VS 2010. Somewhere in the middle of all the testing, I'm getting a MissingMethodException saying "Method not found: '!!0 (namespace).(etc).(etc).(function(parameter))'."
Does the '!!0' provide any sort of clue that anyone knows of (Google doesn't recognize exclamation points in its searches)?
Currently I am using this code to check for Firefox on a 32 bit machine
Code: Dim Firefox32 As String Firefox32 = My.Computer.Registry.GetValue _ ("HKEY_LOCAL_MACHINESOFTWAREMozillaMozilla Firefox 5.0in", "PathToExe", Nothing) MsgBox("The value is " & Firefox32)
If the value is found then the above message is fine, but if the entry is not found I want it to display a message like: "Firefox could not be found" instead of "The value is: " What code would make this appear?
I have a large problem with inheritance in vb.net. The problem is the following:
I have 2 forms => frmBase and frmChild
In frmBase i want to create a method Called StartWorking() and i want frmChild to inherit this method.
But here is the tricky thing: when frmChild.StartWorking is called i would like the following => without calling MyBase.StartWorking()
I want frmBase.StartWorking() to be executed first and after a test in frmBase.StartWorking if blnValue is true then frmChild.StartWorking has to be activated. if blnValue is false that frmChild.StartWorking cannot be activated.
I have nine pictures that I need to animate -I need to use the ToString method and a counter to concatenate a file name into a string variable from the Image.FromFile method. Once the counter reaches its maximum value, and the last picture is displayed, the counter should be reset to zero or one depending on how the first image file has been name. Also a static counter variable should be incremented in the time routine. what I have so far -- I know what I have to do; however, I just do not know how to code this properly.. Right now I have this going thru a button procedure but it needs to go through a timer.
