Hi, I am engineering student at Rutgers University, I need help in writting a VB.Net program which will read voltage values logged in Excel by a Data Acquisition Card and if the voltage value happens to be within a certain range, I need the program to call different sub routines. I know how...more >>

There's a code snippet to create and send an e-mail, but I need to send it via a hosted server at an ISP and the outbound mail server requires authentication (username and password). Whats the code to authenticate when using framework v.2 and the system.net.mail namespace? Any help greatly ...more >>

Hi, I am using windows combobox to populate the data from database. My requirement is - If user enters some characters matching the values in dropdownbox, I want to point to that location in combobox. I know we have findstring method, but it is searching from the beginning of the string ...more >>

We are legit company and we sell all kind of Electronis such a Mobil Phones,Ipods,xbo 360, Sidekicks,Nextels phone,Laptops for sell at cheap an affordable prices, they ranges from Nokia/Samsung/LG/Son Ericsson/Motorola/Alcatel/panasonic With Bluetooth, al Brands and Models of Nextel Phones, we...more >>

If I was pointing my app to a particular directory, I would just use: "C:\Whatever\" But - If I want my app to use one of the Windows default directories (Desktop, MyDocuments), since they can be different, depending on which operating system, so how can I define this in code (like - Desktop)?...more >>

OK, I've asked nicely before; now I'm going to throw down the gauntlet to anyone brave enough to take it up. In VB'2005, can anyone write me a class that inherits from System.Data.DataTable, add it to a System.Data.DataSet (a /normal/ one, /not/ a subclass), serialise the whole lot to, say,...more >>

I have an application with an icon that sits in the system tray. When I double click it the form is maximised, but I want it to sit at the front of all the other applications that are open. How do I do this? I suspect an API but maybe in VB2005 there's another way. -Jerry ...more >>

Hello, there is probably something obvious here that I'm just not seeing but I am trying to draw an alternating colored line on a picturebox and I, for the life of me, cannot get the line to show up. I'm using VS 2003. The size of the picturebox is 320 x 24. I using the following code. For ...more >>

I created customized application to Microsoft POS system. I am now working on the installation package. Any one knows how to get the local sql database settings, and get user select database, so I can make necessary changes to the database ( create new tables, update some records etc.) to make m...more >>

Hi, I sort my datagridview with : dgWrk.Sort(dgWrk.Columns(3),... and it works perfect. Now, I want it sorted on 2 columns. How did I do that ? I've try dgWrk.Sort(dgWrk.Columns(3)+dgWrk.Columns(4)+ ... but I have an error in the code editor. Thanks -- Ami Calmant Stéphane ...more >>

I'm using a Treeview, which will list files in a directory. Naturally, I could buy them, or search the internet for them, and then create some sort of algorithm to apply them to each treeview node, but I thought I'd ask..... Is there a way to look at the system (reflection, perhaps) and apply ...more >>

Hi, Can I have a way to calculate (+/-, of course) the space that each user, that access my webapplication, ocupies in ASPNET process? I want to know how much memory of ASPNET grows each time a user login in WebApplication. Can I know that? How? -- Programming ASP.NET with VB.NET...more >>

I have a MDI form, sometimes child forms and sometimes forms that are neither If I close the app the child forms closing and closed event happens followed by the Mdi form receiving the events.. But the regular forms that are also open do not receive that event. This is true whether the...more >>

Hello All In my windows application I am using DataGridView as my grid control. I populated let's say 10 rows of data and modified 3 random rows. I need to put some sort of Edit Marker in the row header. This can be an image. Please any one share a code for this implementation. If i were...more >>

Hello. I have written the following code (this code is on a control): Sub InitSomething() mSet(me.FindForm) End Sub Sub mSet(ByVal f As Control) For Each t As Control In f.Controls If TypeOf t Is ToolStripMenuItem Then AddHandler t....more >>

I have a form that I am upload rows into an SQL server database. The form has a button that when it is clicked creates a Custom Business Object and then calls the actually upload method from that Business object. I set this up so that it would run on a seperate thread since it is something lik...more >>

I have downloaded Speech Recognition engine. I am facing a problem with Microsoft Direct Speech Recognition component. I have added a reference of this component. During form_load, I have specified the grammar. (list of words that are to be recognised). This works fine for command mode. But n...more >>

Hi, I am OK with crsytal reports normally VS2003/CR 9.0 but I wanted to use a parameter to prevent specific columns appearing programmatically. I use a dropdownbox on the web form to select what parameter I want. Now if I run the report for the first time with DisplayTotalCost selected, I ...more >>

I am overriding WncProc to make sure my form's location stays within specified parameters. Basically, it has to stay at the top of the screen and not be off to either of the sides. All that works when the form is in its minimal size. However, when the form is maximized using the appropria...more >>

forgive me, but I'm fairly new to VB.Net - having only used VB6 in the past - - I can easily place a node on the treeview (tv1.nodes.add(key, text) BUT - in VB6, we'd add a child node (TV1.NOdes.add...), and in that string, we'd pick the parent/relative node, so that it would be placed under th...more >>

Hi, I am consuming a web service which is written in Java. I am currently testing it, works fine. To consume the web service i added web references giving it the url to access the web service. Now the code needs to go as a part of production. So my dilemma is how to add the wsdl file or the act...more >>

Try to explain this as simple as I can - User provides a list (names, ID's, or ....) into a text box on a GUI application... Based on which options they select I have to look up the corresponding values from our sql databases. For example: user provides: adamsj nimmow dandekp I n...more >>

Hi All I have a simple Application and I need to open my documents files in assoicated applications given the path name and the file name and the extension. For example I got all my files stoted in C:\Documents and under that I got following files. mydoc.doc mypdf.pdf mytxt.txt myaut...more >>

Under SQL Server 2000 Enterprise Manager, under Managment and under Jobs you can view a jobs history "View Job History..." by right clicking on any job. Each job lists either "Successful" or "Failed". I have a VB.NET application that is run by one of these jobs. Like a good programmer I handl...more >>

I read the Help and some of the many Google hits I got but can't find out the difference between MyBase.Closing and MyBase.FormClosing Can anyone tell me? Thanks ...more >>

Hi folks, I am looking to convert some C# code for a calendar control into VB. I am unfamiliar with C# and have seen several free concersion addin tools to transform the code, how ever I can not get these applications (addins) to run successfully. And I was hoping that someone in this forum m...more >>

I am using: VB.NET 2003 Windows application SQL 2000 backend Active Reports.NET The problem I am having is that when report is being run the screen turns gray and freezes me out of the application during the time it takes for the report process to complete. I am having trouble with coding...more >>

Hi, I want to get my MSXML version from a vb.net program. I do it with the following piece of code, but I'm not very happy with that: Dim Version as String = "4.0" oXML = CreateObject("Msxml2.DOMDocument.4.0") 'Need version 4. If oXML Is Nothing Then 'Check the existing version oX...more >>

I am creating a database as so: Dim cat As New ADOX.Catalog() Dim CurDB as String Dim sCreateString As String CurDB = "MyDatabase.mdb" sCreateString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & CurDB cat.Create(sCreateString) cat = Nothing The problem is that I wish to del...more >>

Hello, I'm trying to call LsaOpenPolicy, but get the error 'System.AccessViolationException'. I originally tried a conversion from working VB6 code and I've compared the code with working C# code and cannot see where the problem lies - can anyone help to point out the problem please: ...more >>

I am using VB.Net 2005 and I want to fill the Tree View with Oracle Scott/Tiger Table which contains Parent/Child keys in one table, how can I ? In VB-6, I used TreeView Key while in VB.Net 2005, there is no Key in TreeView, how can I fill the control ? Best Regards, Luqman ...more >>