Migrating To Correct Practices - Get The Error Message "The Operation Could Not Be Completed"?
May 19, 2010
Time ago, I migrated to windows 7, and to get my old code running, I was forced to run Visual studio as administrator.Now I want to recode, so Visual Studio, and the program do not need to run as administrator.The first problem I get is that Visual Studio 2008 does not save the modified files without administrator rights.
Each time I try to save a file (or even run the code, which saves the files before running), I get the error message "The operation could not be completed".
it seems that I don't have rights to overwrite those files.Also, when my code crash (because I don't have administrator rights), I cannot debug. I am asked to open another instance of visual studio, but it refuses to debug, because the code is already opened.
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May 28, 2009
What are good things to check for, with respect to error-handling, when you are dealing with the data-access-layer? For example, let's assume I have this function..
Public Function UserExists(ByVal userName As String) As DataTable
Dim dt As Object = Nothing
Dim arSqlParameters(0) As SqlParameter
[code]....
How would you go about ensuring that your code elegantly handles anything unexpected in a situation like this?
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Jun 25, 2011
I have installed vb.net 2010 express , but when I run It I get : "Error , the operation could not be completed".And I cannot do nothing with visual studio 2010.
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Oct 19, 2009
I made an icon for my program and tried to implement it.Funniest thing though, I get a message with the error icon saying the operation completed successfully.But the icon doesn't change, nor is it my icon drop down box when I click the arrow. Ergo, it didn't complete successfully....I am using ASP.NET 2.0 and have read some about this error but I don't see any fixes I can do, aside from what I've tried already.
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Jan 19, 2006
I am running on the VB8 and expirienced an error during debugging after some changes in "My project" area. I have noticed (on two different machine) that after change for example Startup Form or Security Area, I am not able to debug program any longer. An error appears, telling me that:
The Operation Could not be completed.
After clicking OK (nothing else is available) and next try of debugging, another error message appear:
Visual Studio could not copy a support file to this location: "path". Please verify the path exists and is writeable. After that, I have to close Visual Basic and restart it. Than everything works fine...till next change of "My project"
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Mar 9, 2010
when i double click my dbml file at the solution explorer, I get this error: the operation could not be completed. unspecified error I'm working on a VB.Net project, using visual studio 2008, mssql 2008.
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Dec 23, 2009
I am using Visual Studio 2008. While opening some of the .resx file, it is giving me error that "The operation cannot be completed. Invalid Pointer". What can be the possible problem and solution?
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Apr 17, 2011
I have an SBS 2003 server with a mapped drive. I open a VB program from the *.sln file. I can immediately hit F5 to run it. Then if I edit properties to a control (in this case the Crystal Viewer control or a text box), I cannot run the program again. It gives me the error above. It did not happen with VS 2008 with other projects but this project was started from scratch in VB 2010 (I don't currently have any others in VB2010 to test). The build does succeed. After I get the error message, I try F5 (or F8) again and it does nothing, no errors, nothing. I can then exit the program, go back in and then run without problems, until I do some editing on the controls again. Small edits to just code do not seem to be a problem. Not sure if this was the correct forum for this question, but hopefully someone has seen this before and knows a solution.
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Sep 2, 2009
I have a problem with some programs that when code is altered then run I get "The operation could not be completed" message and have to restart Visual Studio to allow me to run it
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Nov 20, 2009
My question involves async operations in VB .NET. Given the following:
[Code]...
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Feb 8, 2011
I am working on win32 application using Visual studio 2010 and Windows 7. Whenever I Click to "ADD" a "resource" to the project, I come across a messagebox with an error.. "Operation could not be completed. Access is denied".
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Feb 2, 2011
Got Visual Studio 2010 Express Edition and have been building an app on Windows 7 64bit, then bought that app into work to continue work on Windows XP 32bit.When I load it, it will run first time happily but when I try and run it again it either says The Operation could not be completed or just freezes, crashes or does not responding, yes if I build the app to an exe file it works fine everytime?Due to the fact of odd errors etc I am really baffled and frustrated why it's so random?
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May 16, 2010
I am working on a scrolling text operation within a VB.net/ASP.net application. However, I am getting an error command from the following two commands:
Me.ScrollingMarquee.InnerHtml
Return Me.ScrollingMarquee.ClientID
The error is that the InnerHtml and ClientID properties are not recognized as members of the class. Apparently I am not using the correct DIM command for "ScrollingMarquee" (e.g. "Dim ScrollingMarquee As Control" is incorrect)).
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Mar 9, 2010
I need to develop a program (of course.) I need it so the user has 3 text boxes, and puts a number into each text box. Then, there be a group with 2 radio buttons.1st Radio Button: Least to Greatest 2nd Radio Button: Greatest to Least When the press calculate, it preforms the correct operation, depending on the radio button click.I just need to know how to make it so it will order from least to greatest. I then can do the rest.
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Sep 15, 2010
When i click on the visual basic shortcut on my desktop, it shows the splash screen at the exact time as it shows that error message:
"The operation could not be completed"
I have tried uninstalling and reinstalling 5 times I have googled the program and looked on the support site but no one else has this problem I am running windows 7 without service packs
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Apr 21, 2011
I am new to programming with visual basic version 10 (I hope this is the correct forum).
I am using the following line in my program[code]...
I am getting the message that an arithmetic operation resulting in a math overflow.
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Jul 10, 2011
Thread Completed Event Error
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Feb 22, 2009
how to create an error message by message box to tell the user to enter a number only if they key in a character value?
I MEAN AFTER THEY PRESS THE CALCULATE BUTTON
Private Sub btnCalcFat_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalcFat.Click
Dim intFat As Integer
intFat = Integer.Parse(txtFat.Text)
lblResultDisplay.Text = txtFat.Text * 9
End Sub
My text box is call txtFat
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Aug 11, 2011
I am getting the error Parser Error Message: The server tag is not well formed. on the code line below:
<asp:HyperLink ID="imgFileType" ImageUrl="images/Icon_Pdf.gif" NavigateUrl='<%#"javascript:ViewFile('erg_", Eval("DocumentName") %>' runat="server"></asp:HyperLink>
I need the url link to be parsed as:
javascript:ViewFile('erg_Invoice_3200_QRG_Restaurant.pdf');
What am I missing in the syntax?
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May 5, 2012
I am having a problem that I keep getting the following error when I try to run my program.I am trying to make a circle the size of the value of FrameSize.A first chance exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll
This is the details of the error:
System.InvalidOperationException was unhandled
Message=An error occurred creating the form. See Exception.InnerException for details. The error is: Cross-thread operation not valid: Control '' accessed from a thread other than the thread it was created on.
Source=DreamCatcher[code]......
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Apr 26, 2010
I have an app published using ClickOnce. When an app is published that way, you get a temporary certificate which expires in a year. My year will be up in a couple months, and I am considering my options.One option, which a colleague is using, is to build a more sustained certificate using makecert.exe. By doing this, I can get a certificate of arbitrary length (or so I am told, as I haven't actually followed this route, yet). The problem with this route is that MS is pretty clear that makecert is for testing purposes.
I can also see that I could go to verisign or some such and buy a certificate, but that has a significant cost (well, I'm sure my employer wouldn't be too concerned about it, but it seems pretty high to me). The program has very narrow applicabiliity and narrow appeal (it has to do with counting fish). What I am wondering is whether there is sound reason to go with a certificate that is more than what makecert will create, and what that reason is? Additionally, I'm looking for information as to whether an internal CA, such as we have, which can make a certificate, will cause me any trouble if I use it to sign a ClickOnce app that won't be used entirely internal?
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Dec 8, 2009
I have a general question regarding best practices for exception handling. I have a class library that uses structured error handling. The functions in the library generally perform some mathematical calculations and all return a boolean value indicating whether an exception occured or not (i.e. exception occured = true, no exception = false). The actual calculated result in the function is returned as a ByRef parameter.
Anyway the input variables for my calculations are all passed to the funtions as parameters. I perform some basic checks on these inputs (e.g check that an input is not negative etc) as part of the function code. The next stage is where im unsure of the best way to do things. Using the example i just mentioned, if an input parameter is negative, I can either throw an exception such as "ArgumentOutofRange", or i can simply show a messagebox with some info about what happened. Either way i do it the function will return true. At the moment i am throwing an exception, but on reading the "Best practices for exception handling" it is recommended you dont throw an exception for things that can be checked programatically because of "performance/overhead issues".
I'm a little confused by what they mean by this. What kind of overhead are they talking about? Slower program? More disk space required? More memory required? When my functions return true, the calling methods basically drop everything and stop calculations (exit sub), so im not sure that the overhead issues they are talking about are as important to me. It seems easier and neater to throw an exception and utilize some global error strings and pass some parameters rather than copy and paste messagebox.show() all the time, and modify the text to suit the situation. Another argument for me would be that both methods of exception handling utilize a messagebox, which stops code execution until the user does something. So i cant see the issue with the performance overhead.
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Aug 29, 2011
I'm an avid programmer, and I'm trying to teach myself more professional practices, but Ilook over my code, and point out any mistakes, or bad practices I may have attached to this actually working bit of code. It consists of a procedure for retrieving, sending, and above all connecting to a server program. As for the various amounts of sloppy commented out code, after a long time clearing my head, I came to my senses so to speak.
Imports System.Net.Sockets
Imports System.Text
Imports System.Threading.Thread
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May 2, 2010
I have read and worked through all of the examples in the book "ADO.NET 2.O", but there is so much there with so many ways to handle data, I am having difficulty translating the examples into my own real life application. I am confused about creating runtime connection strings, connection strings in my app.config file, connection strings in the properties for a sql connection control, etc.
I have a midichildform with a datagridview control, and I use a table adapter to edit and update the SQL Server 2005 Express edition database. There is no problem there. However, I also have a button control that I want to use to "process" the data that has been updated with the table adapter. I want to open the updated table, read each record on at a time, manipulate the data and add a records to another table. Do I have to create a connection string and an oleDBconnection? Or can I somehow use the connection string that is in my app.config file? [Code]
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Aug 20, 2010
i have PDF forms creating .exe application using Crystal it is giving some times "Not enough memory for operation" error in production intermittently for below code. the error is not reproduced in TEST if i reset the same claim in next batch , it is creating PDF form without fail the server has enough memory the application is in .NET2003
rpt1.ExportToDisk(ExportFormatType.PortableDocFormat, sPdfFile)
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Jan 5, 2010
I am facing another error "An error occurred trying to load the page. Member not found. (Exception from HRESULT: 0x80020003 (DISP_E_MEMBERNOTFOUND) )" performing the following scenario:- Opened a sample VS 2010 WPF project that I receiveved from a co-worker (Project compiles, and run on his machine)I tried to open project properties (Project --> Properties)The project properties panel/window didn't open, all it had was an error symbol (red/white X) and the error message above(HRESULT: 0x80020003).I am unable to view niether the designer window nor the code window (no messages are reported) but the pane where the code/design shoud display is empty, all you can see is the background color.
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Jan 28, 2009
I am using a DataReader to get data from a database. For some reason, I keep getting this error "Arithmetic operation resulted in an overflow." The error occurs on the line: courseID = (dr.Item("courseId"))
[Code]...
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Mar 16, 2010
When trying to divide the following, I get an overflow error:SAA_EM_DM(i, 1) = SAA(i, 1) / SAA_EQ_FI(i, 1)
All arrays are defined as Double
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Sep 11, 2010
I'm reading a binary file into a bindinglist of (t); to be bound to a datagridview.Each line in the file represents a single transaction but I need to consolidate and or filter transactions that meet certain criteriaI know how to do this from a mechanical standpoint (looping the list while adding each item, and adding a new item, or merging the data with an existing item), but I'm looking for a practice, pattern, existing components, or something else that I'm missing (I'm drawing a blank for keywords to search).I don't want to reinvent the wheel if I don't have too. I'm particularly concerned with speed and performance issues with 100k plus records to process in some instances.Currently working with .NET 2.0, but will move to 3.5 if a particularly sexy solution exists.
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Sep 1, 2011
I know it's possible in asp.net to create a custom error page in a web app, by putting the following line in the web.config: <customErrors mode="RemoteOnly" defaultRedirect="frmErrorPage.aspx" />
I have had to do this for my web app, since it is clearly much tidier than letting the program bomb out with it's ugly default error page. My custom error page just has the customer's logo and a brief message saying "Error has occurred. Please return to homepage"The trouble now is that I have no way of knowing what caused the error, when a customer reports it.
Is there a way to make the actual error message appear on this custom error page too?
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