L'evento DoubleClick non funziona in relazione al controllo Combobox, contrariamente a quanto indicato nell'help. MouseDoubleClick, del pari, non funziona.(DoubleClick event doesn't work with ComboBox control in spite of help's instructions. MouseDoubleClick doesn't work too).
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I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
View 3 RepliesI tried to start using VB 2010 Express with a program I originally developed with VB 2005 Express that I moved to VB 2008 Express successfully a couple years ago. It uses a database file (*.mdf) that is on the computer ( not out on a server). When attempt to run the program in debug mode, I get the following error "An attempt to attach an auto-named database for file C:Documents and SettingsTomMy DocumentsQuizzing StuffQuestion Database 2010QuizQuest ionGameQuizQuestionGameinReleaseQuizQuestionDB.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share."
I first made a copy of the entire project folder that was working in VB 2008 Express and gave it a different name. In VB2010 I opened the project in the copied folder and it said it successfully converted the project. I am able to open the Data Source inthe Designer and see the database structure as I expect. I think the project is still using SQL Server 2005 Express (because it is what is checked in the list of prerequisites on the Publish tab).
Note, I have programmed off and on for many years, but fairly new to using databases and SQL Server.
Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
View 1 RepliesI am trying to re write a VB6 program using MS Access, many years ago, using VB 2010 express and SQL server 2008 R2 Express. I have a database with several tables, which I created using the designer. I am able to connect to the database and select data and display it in textboxes etc in vb code. What I have not been able to in code is to INSERT rows DELETE rows or UPDATE any data in the tables. I can do any of these operations using the Query Designer, but I want to do it in code. I can post some code if necessiary, but I thought it might just be some property that I had not set in the designer.
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Is VB Express 2010 slower to compile and run that older versions of VB Express? I've installed it this weekend and it seems a little sluggish on my quad core computer with 1 gig of RAM. I have VB Express 2005 installed for my students at school and it seems to fly just fine. Those school computers are older P4s with 512k of RAM.
View 7 RepliesInitially my app worked with excel fine, now it causes my computer to reboot only after Excel has been opened (two or more times). I have opened and closed Excel files 20+ times without running thru either of my apps (they all uses identical code for excel) and it has never caused a reboot or a crash.
run either of my apps and have the app control excel has become a crap shoot, it will reboot my computer. Adding to that I then have to do a manual shutdown because the reboot process after is unstable. (System doesn't respond properly). My code in this app is small, should make for a good example. I can provide the entire project to anyone who would volunteer to test it. (First I need to know how to send the project).
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there Dream in Code Community! Im an okay programmer as far as skill right now I am still learning as we all are I need some help from some experienced VB.NET programmers in the community, Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords.
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If I create a DLL using VB 2010 express can it be used by previous versions of of .Net (3.5, 2.0)? Will the DLL use .Net 4.0 components, which is what I want. I don't see a way to force that to be the case.
View 1 Repliesthis is my very first posting and I must say I am desperate. I have a VB assignment due in 2 days and I am so lost. I have written a code to draw some graphic, just a basic house, tree, sun etc. I have also written a code to magnify said graphics which were all the specifications of my Assignment 1 part A. Now for Part B I am being asked to extend my program so that: A - My graphic can be drawn using different colour schemes designed by me but chosen by the user B - My graphic or an appropriate part of it can be animated around the picture box if the user chooses to do so. C - Error checking is included.
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Is it ok to install my VS 2010 Ultimate even if I already have VB 2010 Express Edition? or should I uninstall the express edition first?
View 3 RepliesHere are my questions concerning VB 2010 Express:
1. I've registered my VB 2010 Express, will it still expire?
2. Will the applications I made using VB 2010 Express expire after some time?
3. Is it OK to write my code in the designer.vb file? I don't know why, but when I started writing my application it took me to the designer.vb instead of form1.vb code.
4. I've been working on an application for a week now, but suddenly I can no longer access my Design View(Shift-F7). All my codes are written on the [form name].Designer.vb. I can still view my codes but I cant access my form layout. On the solution explorer, my forms no longer have the 'form icon'. When i press Shift-F7 nothing happens. Right-clicking the form on the solution explorer doesn't show 'View Designer' option. How can I fix this?
I just downloaded the Visual Studio 2010 Express for Mobile Phone. C# is the only language available. Will Microsoft add Visual Basic as well? When?
View 5 RepliesI was looking all over but didn't find how to change VB 2010 Express default gray theme?
View 4 RepliesI am learning VB for the moment. I want to copy/paste code from a PDF to Visual Basic 2010 Exppress, but if i paste the (structured in PDF) code to VB, i get 1 long string of code and need to restructure it by entering after each line. Otherwise VB gives me a lot of errors. This is a time consuming work. Isn't there a way, VB puts the code in the right format?
View 4 RepliesI'm trying to create an installer with VB 2010 Express. In order to do that, I need my project to have some files embeded so I can copy them in the installation directory. How could I make this (embed the files and then acces them from my code)?
View 7 RepliesI reproduced the following code to update a database and I get the error" Operation must use a updateable query"
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I just downloaded the Visual Studio 2010 Express for Mobile Phone. C# is the only language available. Will Microsoft add Visual Basic as well? When?
View 5 RepliesI had written an app that runs at ever login (win7). So as it is running I load 2010 Express and try to test some things, but it comes back and says "The operation could not be completed. The Process cannot access the file because it is being used by another process."How is that possible when the 2010 Express should be fully contained? I have even named it completely different from the originally application. Am I missing a setting?
View 8 RepliesI have database table having values like:
col1 has some value.
col2 has some value
col3 has some value
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How can I show values from col4 on my form, maybe in grid. I know it have to be tokenized,but considering that I'm new, do you have some guide or idea how to do it?
trying to get my hands wet on vs 2010 and i downloaded samples from ms site but when i tried to run some of the DB samples i received this sql error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) any ideas how to get around on this?
View 5 Repliesi created a database in SQL Server Management Studio by use engine sql express how to add my database in my project in vb.net 2010
View 8 RepliesI have read other threads on this topic, but I still can't get this to work in VB 2010 Express. I am using 2 PC's, one with Windows7 32 bit and the other with Windows7 64 bit. On both machines the Bookmark icons are not in the toolbar. Using shortcut keys such as CTRL-kk works but I would prefer to use the icons.
I have 'Expert Settings' enabled and the 'Text Editor' toolbar is visible, but there are no bookmark icons in the Text Editer toolbar. Apparently other people have got this to work in the Express version.
When I am in the Visual Basic Express 2010 IDE I can search for an item using CNTR F. If I select "Book Mark All" in the CNTR F window a blue square will appear on the left hand side of the code viewer ex. Form1.vb*. Can someone tell me how to remove these bookmarks, and,also how can I add a bookmark manually for a line of code (perhaps there is a keyboard short cut). Please see the Jpeg attachment of my screen. (this was moved from The General Forum). I found the answer, if others need to know add the TEXT tool bar to the IDE and see the second JPEG below.
View 2 RepliesI have an application written in 2005 using VB Express. It uses a DLL from a supplier who is now defunct, so I have no idea what language it was written in.I have moved to a new machine running Windows 7 (64-bit) and installed the DLL on it OK (it installed into the x86 folder, so I assume it's 32-bit). The sample program supplied with it runs OK, so I know that it works. However, the application's .exe file which I copied over fails with an error message saying "cannot create ActiveX component".The offending line of the program is:
objCDDeviceManager = CreateObject("CDTextReader.CDDeviceManager")
CDTextReader is the name of the DLL.I've downloaded VB Express 2010, but when I build the program using it the same thing happens.how I can get it to work? I've tried compiling it for 32-bit but get the same result.
I am using the following code to FTP upload files. I need to amend the code so that it uploads all the files in a folder rather than one set file as it does at present..
UploadFile("C:UsersUsernameDesktopDivinerDatadata01.sdb", "ftp://**my ftp server**/diviner/data02.sdb", My.Settings.User, My.Settings.Pass)Public Sub UploadFile(ByVal _FileName As String, ByVal _UploadPath As String, ByVal _FTPUser As String, ByVal _FTPPass As String)
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If this is possible i'min need of the code snippet to be able to display the CPU's temperature in a listbox
View 7 RepliesI have created my first ComboBox form but now I am stumped. I am using VB Express 2010. What Toolbox or Property buttons do I use to generate code for the following:
(1) Title.Text (to add text on my form)
(2) Title. Location (location on the form)
(3) Items.ADD (to add the options on the drop down)
(4) Dropdownstyle
Please give instruction like On ToolBox (left side) click XXXXXX , then click, then click.
I am trying to connect my application to my database that's hosted on my website through another host. I am using the System.Data.SqlClient Namespace, and I have tried about every connection string possible, and I either get a long delay (About 30 seconds) before the main form displays with a warning in the Console box or it just gives me the warning and loads fast. Either way, it's not connecting.
code:
The x's represent just a masking. The server value is the ip address of my website. Basically, I am wanting this app to connect to my database of my website and it will be used to compare login information as well as the status of the logged in account (blacklisted, active, or needs to be activated).
We have implemented the following code in VB6 a year back and now we are trying to implement using Visual Basic 2010 Express.The req is , i need to open an excel which is placed in C: and minimize it and later we are searching cell by cell.
Private Sub cmdScriptsSearch_Click()
'Declare variables locally to search for scripts in the Excel
Dim vtemp, vSimpleCount, vComplexCount, vMediumCount As Variant
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but i am not able to use SET function