Forms :: Wont Load After Copying Solutions?
Sep 24, 2011
basicly i had to format my computer, so i needed to reinstall Office 2010 and VS2010, but now my solutions wont load, VS isn't giving much information about it apart form its a object refrence equalls null, but i dont have a clue where to start as it happening before the form load. this is all the information i can give.
An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object.System.InvalidOperationException{"An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object."}i have tried cleaning, rebuilding, build solutions and none is helping, if any1 can think of anything else to try please say, another option would be Their is a bit of software call teamviewer that i use, if anyone would be willing to download it and instal it, it would give them the ability to controll my computer to have a look and see what has went wrong.
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Jun 1, 2011
i have tried googling this and cant find a way to do this, i hav 2 projects in the same solutions, i am trying to write a bit for Solution1_Project1_Form1 to open a windowsForm in Solution1_Project2_Form2.
Start main application & View 2nd application FROM within the main application.
Start the 2nd application WITHOUT using the main application.
both applications need to read and write to a database, i dont think this makes a big diferance but thought i would mention it
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Jun 18, 2009
I wanna load XML file with XDocument.Load method and lock it. How to do it?
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Aug 1, 2011
lock from reading/writing/copying a loaded XML file with XDocument.Load [VB 2010]?
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Mar 27, 2011
I'm trying to program that specific data will be copied to the clipboard so the user can paste it in, for example, Excel or Word. I already know that the following code can do this:Clipboard.setdataobject( " some text " )But that's where my problem just starts. It seems I can only copy the data to Excel and Word etc. as long as my application is running. As soon as I quit it, the clipboard is empty.
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Feb 10, 2011
I am trying to copy text from a standard rich text box on a button click. However, I only want the first 3575 characters to be copied to my second rich text box, and after the 3575 I want a further 8482 characters to be copied to my third.
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Sep 6, 2010
I have an exe which I am wanting to deploy to my userbase. I have a bunch of embedded resources which are used throughout the application and they work fine.What I need help with is copying an entire subfolder of embedded resources to a specified directory on the local machine.[code]So I need to copy the entire subfolder (keeping its file structure) to a specified location.
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Aug 2, 2010
I need to import data from files generated by a 3rd party program which scans our inventory as it passes through the production line.This program, rather than inserting the data into a backend db or even a log file, creates a series of .asc files per item that passes.
I originally intended to watch that folder and move new additions to a temp location, import to our db, then move to a final resting place for archiving. As it turns out, i cannot move these files, because the program checks this directory to perform a few critical functions
1. the file name serves as a primary key to ensure item ID's are not duplicated...
2. when running a sequential set, it auto-increments from the last file created.
Since I cannot move the files, is it possible through System.File.IO or some other means to copy files to a temp location, run my imports, then move to the final location then continue to watch this directory, and only move files to the temp location that do not yet exist in the final directory?
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Apr 22, 2009
I have a copying error with my program. I am trying to copy the internet cache folder, and the error states that some files cannont be copied (read only maybe?) How can i make it copy, or just skip the uncopyable files?
My.Computer.FileSystem.CopyDirectory(Environment.GetFolderPath(Environment.SpecialFolder.Internet Cache), "d:My Documents")
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Jun 18, 2011
I have a VB.NET 4.0 based solution (just one project) in Web Forms and needs quick conversion of the whole solution to C#.
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Oct 5, 2009
How we create a licensing system for a vb 2008 solution to protect it from unauthorized access? Is there any code to generate a unique system id to identify a machine like CPU ID etc.?
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Mar 19, 2011
In our database we have gigantic tables (it was initially built 20 years ago). We are on the process of developing it.
Some tables contain rowversion and optimistic concurrency. We were wondering if there is a way to just correspond rowversion to the modification of some specific columns, but not all of them. In Normal Case, T-SQL which is generated then would be huge.
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Nov 4, 2009
I have up until recently developed only in-house custom applications and I have never had a need to protect this software with any type of licensing/ protection mechanisms.I'm now working on a new project for a software app that I plan on distributing to a relatively small number of clients (1000 or so) and I need to consider some type of licensing/software protection solution that I can easily integrate into my application.I'm also looking for specific product recommendations (if possible) based on users experiences. With vast assortment of product offerings out there, I'm having a very hard time wading through them all.
I would like to stick with a software option over a hardware dongle type solutions so that I can make distribution and activation as painless as possible for my customers¦but would consider hardware options if need be.I have tried the KeyLOK hardware evaluation kit but it seems to be a little difficult to implement and it would force my customers to wait days before they could initially activate and use my application. [code] License registration and tracking via Internet..Software distribution is very controlled and it's not a techie type user audience, so hacking is not a major concern but I would like to protect the application as much as possible.
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Mar 25, 2009
what is the correct way to archive my work? That sound pretty dumb. Let me try again. I begin a new project and design a form and then start adding code then save my work.Tomorrow I want to make changes to the project an design - how do I save and keep track of my form and code versions?
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Sep 1, 2010
I have an issue with globalising my application settings.I have 5 Projects in one solution and I all 5 of my projects use the same connection string to connect to the DB.before I had added any additional projects, I could control this quite easily from the settings designer (Project > Project Properties > Settings) this will work well for one project.How can I share my settings across to all projects, and if the connection string is modified, save it back to the settings file.does VB support settings at the Solution Level?
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Oct 14, 2010
I've got a StartUp project (StartupProjectA) in Visual Studio that references projects A, B and C. I've got all of those in SolutionA.My predecessor has previously added this solution to SourceSafe so that there's a SolutionA folder in SourceSafe, containing a StartupProjectA folder, and A folder, a B folder and a C folder.
It turns out, though, that StartupProjectB and StartupProjectC all live in the same directory as StartupProjectA on the local machine, so on the PC I'm using I have a [GeneralSolution] folder which contains a StartupProjectA folder, a StartupProjectB folder, a StartupProjectC folder, and A folder, a B folder and a C folder.My question is what do I do to get the Solutions for StartupProjectB and StartupProjectC into SourceSafe? I've tried adding them, but they all create their own copies of folders A, B and C. What have I missed?
I'm trying to use the Visual Studio SourceSafe integration to get these solutions into SourceSafe. Doing so creates multiple redundant copies of A, B and C. I would like to have one folder in SourceSafe, containing SPA, SPB, SPC, A, B and C folders. I'm not really sure how to do this, because I can only add entire Solutions to SourceSafe via Visual Studio. There's no option that I can see for "Add this folder to SourceSafe and recognise that these other three folders are already referenced in the repository and so don't need to be added."
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Feb 11, 2010
All the refactoring tools for C# and VB.Net that I have seen only consider the source code in a single visual studio solution.For better or worse, our large (many related programs) system is spread over many solution files, however:All the code is below a single windows folder. Our nAnt based build system, builds all files in a windows folder to produce a single dll (bit more complex then this but not important for this question).Therefore ALL ".cs" and ".vb" files below the single root folder are part of the system.
So I am looking for refactoring and reverse engineering tools that take a single folder as input and act on all files below that folder.(The tools may need some help to decide what "public" and "internal" means, however most of the time "internal" means "in the same code tree" when a "code tree" is a folder that contains code and any child folders.)Now I am being greedy, I would like the tools to create a lot of all the refactorings that have been done and to be able to replay the refactorings. Then I could try out ideal and if they work, throw away my code, get the latest code, you do the refactorings and checkin the code before anyone else changes the files. (Likewise for when branches need merging)
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Apr 26, 2011
Email to send picture error on my solutions?
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Jan 26, 2010
In VB2010 Beta 2, after program development, how do I deploy (or create a solution to), programs I have written? Also, how can I change the folder where VB 2010 looks for my help documentation Hope someone can help. I've been an on-again off-again programmer for years, but 2010 just makes my head spin a little...
As far as the solution creation, I've already tried clicking on Project-->Publish, which more or less seems like it wants to upload to a website rather than be stuck on my HD... I don't want to upload to the web;the whole reason I want to export is that I want to think I remember at one time having read something about the about box labels only displaying the new information you stick in them once the program has been turned into a .exe file, but I'm not sure; although now that I've run into this problem of creating solutions, even w/ this little bit of a program (nowhere near complete, something like a sure-to-be-crappy-take on Mass Effect 2.. it's primarily text based); heck, for that matter just about all I write programs for is because "hey.. it's enjoyable... umm... kind of" -- I originally started in college as a Computer Science major, switched to Music, transferred schools, the school I transferred to didn't think I had the skills they look for in incoming students, and from there switched to spanish major.
____, just about all I'd be good for is playing music and localization projects (both in and out of the game industry). Not so sure I'll get anywhere, but I said "what the heck, I'll upload my resume to EA".
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Apr 23, 2010
I'm just testing things and seeing if I can get things working and if I can then I want to try and develop this into something more. So far its just a simple button1 finds all files with extension of .mp3 in C: and displays all the findings in a listbox. I then want to use button2 to copy or move (I want to see how to do both) all of the files that are in that lisbox to a directory of my choosing. Here is what I have so far.
Imports System.IO
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
[Code]....
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Oct 22, 2009
So my final goal is to take some columns from one form's datagridview (in form3) and place them into a seperate form's datagridview (form4). I started off by just trying to put all of the rows in there one-by-one. Later I will be moe picky about which rows I want. Below is the code I am using. The problem is that I am ending up with an empty form, but no errors.[code]
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Oct 27, 2009
Trying to get some VB practice after a long time rest, but I'm having some issues even getting a new solution open. Ok, I have VB '08 Express on Vista (Visual Studio also installed) and whenever I try to create a new solution I get the following error:[code]Now I've checked the forums and seen that this error has come up a fair bit, but I've tried the couple of suggestions I have seen to no avail.
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Mar 15, 2010
I've been busily working on a solution for my JSP page problem using an AxBrowser instead of a WebBrowser .NET control. However - the problem seems to be that whichever approach I use, the "back to results" button on my work's JSP page produces nothing but an empty white page in the results frame. I've compared keystroke for keystroke in WebBrowser control, AxBrowser, and IE. The in-built solutions all fail, but the standalone IE works perfectly.Might the problem lay in the way the form is handling the processing of the web pages in the in-built solutions? Could it be a problem with Asynchronous processing?If so, would it be advisable to try the WebBrowser control in a BackgroundWorker setup? It must be something to do with my application, since IE processes the form correctly.
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Aug 1, 2011
First of all, I wasn't sure whether this was VB.NET or General Developer content... It's not technically about VB.NET code, but it's not very general either since it is specifically about Visual Studio. Feel free to move it if required.A while back I realized that all of my database connection code was getting very biolerplate. had 'developed' my own method of connecting to an Access database and storing the results. Basically, for each table I create one 'Manager' class and one 'Entity' class. The Entity class represents a single record in the database and has properties for each field.
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Dec 1, 2011
I am working on a C# project, which needs a VB.NET Class library.I have added the DLL reference of VB.NET Project into C# project.This works fine, but sometimes I need to debug the VB.NET project or pause the project and check the variable values of my VB.NET Project.Is it possible in Visual Studio 2010 Express Edition?
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Oct 28, 2010
So I've been working with DotNET for a few years now; long enough to establish solid preferences for one available element over another, one available logic over another, and then to develop preferences for aspects of elements and logics.
The one that conflicts me the most is the stock Settings construct. It's a great idea - I mean everybody needs basic data persistence that isn't worthy of databasing, right? It's implemented in a way that anybody - and I mean anybody from flat beginner to highly advanced - can benefit from it. It does some heinously stupid stuff, though; for example, it angers me (and I mean full-on, where's my crowbar-OK-now where's the silly @#*! who came up with the idea anger) that the only way to save it is the way that's hardcoded in. The .SAVE method takes no parameters, there's absolutely zero exposure for the save-path to provide a more deliberate location, so the only place any settings ever get saved is in a ridiculously long (and literally arbitrarily designated) user-profile-based path.
So what happens if/when a user is ready to upgrade their OS (or just reformat and reinstall their OS, which the kinds of people who end up on my client list are prone to do just as part of quarterly maintenance), and they want to save their personal application settings to load in the next time around? They either have to hunt out that moronically obfuscatory save location or I have to write special (and I mean riding the short-short-short bus special) code which is more or less a whole new settings class identical to the settings classes implemented in the application to begin with, just to allow them to export their settings to a known location for transfer.
And what happens if a specific setting needs special treatment beyond the basic 'changing' and 'changed' events provided by the stock class? Since any change to the Settings Designer rewrites the whole code-behind property declarations, I can't do it in that code file; I either have to extend the Settings class or get back on the short-short-short bus and write that special 'mirror-class' again.
I'm not much for just general whining though, so some time back I wrote my own serializable classes (designed for specific data persistence, like generic/universal application settings and then also MySQL server connections/credentials and then also form properties and then also application-specific settings) along with shared save and load methods which give me more control over where settings get saved. These classes have evolved over the last year or so until they're actually pretty awesome (even if that's
just my opinion)... I've even implemented full on-disk and in-memory encryption functions for applications that need different privilege levels, to prevent any tampering at any time.
And then a multi-user application project comes along and suddenly each individual settings class needs multi-user support based on the Windows user logged in, and suddenly the stock Settings class is the best option again even though it's still the worst possible option in settings persistence.
So what I want to know from this discussion is this:
How do YOU handle application and user-settings persistence? Is there something really key that I've been missing all this time that makes the stock Settings class more than absolutely worthless (which has been my opinion since about the first time I ever had to work with it)?It never hurts to try. In a worst case scenario, you'll learn from it.
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Sep 9, 2009
Basically what I want is for the program to have an extension/directory called "Flash" and then when you click button one for example it will get that file. Anyone know how to do this and make it work? I have the following AxShockwaveFlash1.Movie = "/flash/flash.swf"
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Jun 3, 2012
I have forms in diffrent project but in same Solution which is a dll project. I want to open (show) forms on button click event in another project. I am doing this without any problem. But it takes little time to open. I want that I could make these forms or dll files on Standby mode. I mean if I call them, they open quickly.
I m using this code:
Imports Transactions 'Transaction is my projects name from which I want to call forms
In Button Click Event
Dim FrmDrVouchers As Transaction.FrmDebitVouchers = New Transactions.FrmDebitVouchers()
FrmDrVouchers.Show()
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Feb 26, 2009
When I click the customer service button, it mistakenly loads that form and teh hiring form with it. When I click the hiring button, it only loads the hiring button. That is teh only thing the program gets right. The employee button won't function for some odd reason. What am I doing wrong. I was trying to use if statements to open the individual forms one at a time, and in the process try to avoid error messages. My vb6 code was
[Code]...
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Dec 10, 2009
I am new to Visual Basic (I currently have VB 2008 Express to play with) and have a question about automating MS Access applications.I have a number of MS access applications that interact with MS Excel, Windows commands and Adobe writer.The applications have multiple forms that require input and/or selection from dropdown list which are repeated for 15 different selections manually.Rather than change the application can I write something in VB to perform the manual process of filling foelds and clicking buttons? e.g. I can open a DB, display a form and then this requires two fields to have a date input, then a new form loads and a dropdown is selected. This is used to generate a report.I can see how to run the report and load forms, but can/how do I update the fields in the form.
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