Visual Basic .NET Forum

I am using ms access 2010 database for my vb.net application. when I run the insert into statement it gives me erro in OleDb exeption was unhandled syntax error in INSERT INTO statement. when I run the query in SQL view in ms access it shows the error in "Insert into...

Hello there, I need to convert the following code from C# to Vb.net (it's part of an EMV API). unsafe public uint InputPIN(ref byte pPinNum) { MessageBox.Show("Input Password and Push Enter !"); Event_EndOfPinInput.Reset();

Hi Bytes Crew, I was told to do a web service with a timer. The timer has to be executed every 30 seconds to get information from a Database. So, when a user makes a request to the web service, the information has to be provided by a dataset and no from the Database. Is there any example of a web service with timer? I just created the web service...

Hey, i'm having a problem. The line, Smtp.Credentials = Net.NetworkAccess is highlighted by mistake. That is, NetworkAccess has no constructors what to do ?

Why is importrows not working in my code: dsportalresas is a dataset with 1 row from a connection and i want to copy these rows to another table (same structure) in another connection, i have no error but the rows are not imported: Dim HotelConn As New SqlConnection(HotelConnStr) HotelConn.Open() ...

As we are developing windows application we need to put forward and backward options in my parent form. As our application consist of hundreds of forms we have to do that. So how to store the track record of opened and closed forms in my application for the process of backwards and forward buttons actions...

Dear all, This is my first time on the forum and I'm creating a visual basic GUI in which I can enter certain data and the entered data can and will be saved in the MS access database. I created my VB program and linked it with my MS access database, the good thing is, it will load my first row of the database, but unfortunately it doesn't...

Hi everyone i'm using vb 2008 for this project and i'm still not so familiar with it so please help me... I'm trying to display image from MS Access database to another form picturebox but its not working. this is the error i always encounter -> (System.ArgumentException was unhandled Message: Parameter is not valid.) Dim cn As New...

Hi, I am using visual studio 2005 for a project and i am using ADODB connection to connect to the sqlite database. I would like to know how do i read and display record from the sqlite database onto the messagebox? Below is partial code from the program: objConn.Open() rs = New ADODB.Recordset rs.Open("select * from table", objConn)

I Have Two Table City(CityId,CityName) Emp(EmpId,Name,Age,Salary,CityId) Where In City CityId Is PrimaryKey. In Emp EmpId Is PrimaryKey And CityId Is ForeignKey. I Want To Know How To Create Relationship Between This Two Table In Easy Way Through Code.

hi everybody, I'm using vb 2008 and sql server 2005 my program is ready i want to locate the program and database in server and then use the program from another computers in my local network insert, update, delete to the main database in server. plz tell me what can i do

I've created a dictionary of a simple structure Private Enum ClientStatus Alive = 0 Zombie = 1 Corpse = 2 End Enum Private Structure ClientHeartbeat_type

linked to 'Can't get true random numbers' but out app is running on multipul VMs and they all start at the same time, so we cannot use time as seed. any ideas on how we can get a truly random number?

I'm trying to adjust the brightness (not the gamma ramp values) of the monitor using WmiSetBrightness method but the system throws a ManagementException during runtime saying 'Not supported'. I have seen a lot of people using this concept and running successfully. So what's wrong with mine? Is it because this is not supported in Windows 7...

I created a UserControl that contains a custom ToolStrip Control. While using the UserControl throughout an application, the ToolStrip control cannot be accessed directly, as logically it's embedded in the UserControl. So, to access the items of the ToolStrip I defined a readonly property in the UserControl class that returns the items of the...

Does someone know how I can display in a VB.NET label the number of network printers installed in the computer??

Hi, I am using SOAP::Lite perl module, can i create a SOAP request from XSD or from wsdl using SOAP::Lite or is there any perl module which will create the soap request as in SOPA UI. like : ====== <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:acc="http://google.ws.com//ws/service/account"> ...

I wonder if there is a way to customize the header and footer before issuing a webbrowser.print command. I am using VB .net 2005 Thanks, Gerry

I'm working on an application in VB2010 Express. This application is a tcp connection between a PC and a remote IP device, displaying the data from the remote device's data packets in a text box. My initial attempt is in the code snippet below, and it works - but... The remote device connection is through a network that has, between two...

Hi guys I have an excel table which I want to import into access, but I have no office installed in my PC, I have opened my database in sub main(), and then I use this code in Import_IOlist button to do the import but it didn't work However, what I want to do is to import one sheet from excel file into my existing database and put the...

Hi everyone, I wonder if someone can help me. Ive scoured the internet for an answer to what I believe is a simple task but cannot find anything that matches my requirements at all. Basically I have a document which is created from SharePoint using my Mailmerge web part. This creates 1x Word document with currently 100 pages. I have...

I have code in VB.net 2010 that use Word 2010 and Excel 2010 interop to generate a Word document which has programmatically linked tables (objects) from Excel ranges (Print_Area name range). These tables where generated by Copy/PasteSpecial (i.e. .PasteSpecial(Link:=True, DataType:=0, Placement:=0, DisplayAsIcon=False)). All works just fine...

how to open a same form in panel in vb.net multiple times thanks in advance

I'm doing a web form for registration, log in and forgot password. I have the registration and the log in. I used Vb.net and Mysql as my database. I have this columns in my database userEmail, userPassword, userFname, userLname, userSecurity Question, userSecurityAnswer. Now I want to make the FORGOT PASSWORD, to be specific I want the user...

Hello All, I have tablelayoutpanel to which I want to give rounded corners. Also how can we make labels with rounded corners.