I am planning to write an explorer like SDI application utilizing ADO ..NET/ACCESS DB. There will be a number of different detail views (referencing and updating data on the db) depending on the selected tree node. I have tried creating multiple pannels and plant controls on them and show o...more >>

I've got the basics of an XML ini file working. I.E. I can stash away and retrieve user preferences. (Code below.) But how do I handle a new preference? Say I have A and B. And then I invent C. The first time the new version with C is run the XML file will not have a value for C. How do I...more >>

How do I declare the decimal variable to include money... If want to use money and instead of vb.net displaying £32.2 I want it to display £32.20!!! How do I do this. cant find it anywhere??? Scott ...more >>

Hi All, I did try by myself and I did search on google but I can't find any info on how to use SystemParametersInfo Win32API in VB.NET Any useful samples, hints, tips & tricks will be greatly appreciated! TIA, Shamil -- Web: http://smsconsulting.spb.ru/shamil_s ...more >>

Is there alternative to AxWebBrowser? I spent one whole week trying to make AxWebBrowser refresh php page. It never works. I tried over 10-15 suggestions from Microsoft itself. Refresh just doesn't work. I tried to create AxWebBrowser programatically, but it throws exceptions when I want to ...more >>

Is there any way to pass parameters to a function and simply know there will get there without the silly (C like ) complexity of worring about byval and or perhaps byref ? (Why bother to have two languages in the first place now ....silliness ; OOP taken to dysfunctional absurdity ! This i...more >>

Hi: May i know if it is possible to retrieve the declared (public) property in a object without knowing the class type? I've seen a component doing similiar thing (DevExpress's XtraGrid). The grid can be populated by using a list of objects. Thanks in advance. From, Hon Yuen, Ng...more >>

I need to know how send text message to a dialog box/ form to show progress of a process running in background. An example would be helpful. Thanks Bill ...more >>

I have a start date and an end date in my project that is defaulted to = the current date at run-time using the following code... Date1.Value =3D Now() Date2.Value =3D Now() I then have some code that works out the number of days between the 2 = dates as follows... Dim d1, d2 As Date ...more >>

Hi, I've been playing with VBx and VB.NET for a while now but ... Let say in VB.Net, I've never understood how or which event I should use when I update one of two interdependent textboxes. Let say I've 2 textbox : TB1 and TB2. TB2 depends sometimes of TB1. TB1 may be modified by ...more >>

Hi, Can somebody help me with this problem please. I need to get the value, not just to check for it, of a number pressed but it has to work for both, numbers above QUERTY and numbers entered from numeric pad. I know how to check for the keys (which I am doing in the code below). What...more >>

I have a vb .net 2003 app that uses access 2k as a backend. The main table has some validation rules (legacy stuff brought forward inadvertantly, and now we're stuck with 'em). The problem is, I do a dataadaptor.update, and an exception is thrown. I would prefer to validate before the upd...more >>

I have 2 projects, a Web project and a Class Library project. In the class project, I have a class called Class1. Pseudo below: Class Class1 ... Public Static Sub Generate() If True ' Create Page and display to user. End If End Sub End Class ...more >>

What is the accepted method of creating a data class or business rules object class with properties that will allow the returning of null values? For example... I have a class named CResults with the following properties. TestID int QuestionID int AnswerID int So, this is a simple examp...more >>

If you paste the URL used in this code into a browser, it will render without errors. Running the code puts it in the Catch with a Time out error but not always. I have ran both (see link below also) links through Xenu with no errors. Any idea why the code produces errors? Dim st...more >>

Hi, In VB.NET, is there a similar way as in VB6 for deleting files? Dim fsoFileSystemObj Set fsoFileSystemObj = CreateObject("Scripting.FileSystemObject") fsoFileSystemObj.deleteFile (strFilePath) Thank you Marty...more >>

Does anyone know how to make a listview work like it does in outlook express for the newsgroups reader? the listview with the tree hiearchy? thanks! ...more >>

Is there a way to reference a calling form and pass an object to it? This is what I'm trying to do: Form A creates new instance of Form B and then calls it modal. Form B creates a new instance of PersonalInfo class, makes a call to the db and fills that class Here's the tricky part: I ...more >>

Hi, Is there any data grid on the market that has an user interface more like the ListView control than that DataGrid one that comes with .NET? Freeware or cheap shareware suggestions are preferred. ...more >>

Hi group, I've got this, a dataset which contains ds.tables(0).rows(0).item(0) = "HO" ds.tables(0).rows(1).item(0) = "L1" ds.tables(0).rows(2).item(0) = "L2" ds.tables(0).rows(3).item(0) = "O1" ds.tables(0).rows(3).item(0) = "BR" then I want to sort it using a dataview like this: Dim d...more >>

I have listbox with 10 items I selected 5 of them from the listbox i want to retrive the selected data in a for - loop command how can it possible please help me -- Regards Lal ...more >>

Seems like it should be pretty simple to me, but I'm coming up short on answers. I'm not trying to find out how to sync to an atomic clock or anything like that, I just want to know the procedure for setting the date/time to whatever I may want. TIA -jim...more >>

Is it possible to initiate a form print (in response to a click event) without creating a Printing class? Is there no way inherent in the Forms.Form class to print something out? ...more >>

I have a simple form that has a bunch of textboxes that show data from a dataset table. When I "Add" a record with BindingManagerBase.AddNew(), all the textboxes go blank, so I can add a new record. If I leave a field totally blank, and then click the Update button (which uses the DataAdapt...more >>

hello i got a little problem i hope someone can help me with it my program "Begin Program Code dim MainArray() as string {"Array1","Array2"} dim Array1() as string {"Array1Tes1","Array1Test2"} dim Array2() as string {"Array2Tes1","Array2Test2"} cboArrayloading.DataSource = MainArray...more >>

On button1 click I create a browser like this: Dim AxWebBrowser2 As New AxSHDocVw.AxWebBrowser Then I navigate to url... AxWebBrowser2.Navigate2(finalurl) Then dispose it... like this: Me.AxWebBrowser2.Dispose() Next time a press button1, it doesn't work... Gives me an error. How...more >>

Anyone got any ideas how to hook into browser download like gozilla,etc So I can popup msgbox asking if want to download with other app. ...more >>

Hi, How can I call a form at run-time based on the value from a table. Dim frm as Form Dim sForm as String sForm = rs.Fields(1).Value frm.Name=sForm frm.Show() This is what I am doing. Is this wrong? What is the correct syntex. Thanks Dib ...more >>

I have been wondering this for a while now. Suppose I have a class that contains some private member variables. How should I access the variables throughout the class? Should I use properties that expose the variables or is it OK to just access the variables directly? Keep in mind that I am tal...more >>

Hi all, I using Inline Sql statements to validate username and password against sql server. I want to catch any errors from Sql server such as Username not known, Password incorrect, etc. Is there anyway to do this? Below is the code I'm using: Dim oDR As SqlClient.SqlDataReader Dim...more >>

I've got a tcpClient and a tcpListener talking over a socket. How can I send binary data over the socket from one to the other? I've got a .jpg in a BinaryReader and I need to send the bytes over the socket to be rebuilt into a file on the other side. thanks mike w....more >>

I run a simple SP in through my vb.net program. Does any way I can read the "execution Plan" ??? Or. I need to read it by using SQL anaylzer ?, thanks ...more >>

Hi All, I am developing an application like sound recorder. While recording if there is a silence for more than given time (say 5 seconds), Recording should be paused. Is there any API function that can detect the silence or recording? Thanks in advance, Sakharam P...more >>

How can I convert variable of type Object to Byte array? TIA ...more >>

Hi everybody I saw some samples how to take a pci from a device, but they was written in C#, an I couldn't interpret it! My question. Do someone have a simple sample how to get a pic from a device with WIA in VB.NET? Thanks alot Nijazi Halimaji ...more >>

how to initiate a file download from an asp .net page? thanks ...more >>

Hi there, I’ve an input window, which has several Textboxes for user to input. For now user can use keyboard’s Tab key or mouse click to move cursor from one Textbox to the other. Is there a way that could allow user to use keyboard’s Enter key do that? Thanks in advance. Nina...more >>

hey all, i have a simple datagrid app that if i leave up for an unknown specified amount of time (maybe 30min) and i try to click on it i get an error message saying "object not set to a reference" error. But if i'm on msdn's new group site, i can leave that up all day long and it will wo...more >>

I have a class called products. In my maintenance application I am = instantiating two versions of this class. mProduct is used in all transactions and changes mProduct_original is loaded at the same time as the original mProduct is = instantiated. I would like to know if there is a simple ...more >>

How can i tell VB.NET to pick a random number from a predefined series like: 10,10,10,38,38,17,17,17,17,92 TIA ...more >>

Hello, In VB6 there was Put and Get to write and read chunks of data from a file in binary mode. What is the way to do this in VB.net? thanks, mike w....more >>

Any general ideas how to get binary data(files) from WebService to an ASP .NET app and then save it to client's machine? Thanks ...more >>

I made this class to encrypt my DataSet before saving it to disk. So, first in the main program I write the DataSet to XML in a MemoryStream. I pass this stream to the E_File sub, which encrypts the stream and writes it out to the FileStream. Now, in the D_File function, I read the encr...more >>

SqlDataAdapter has the Event, RowUpdated. How do I set up a handler in my code for when it fires? I assume it would look something like, Private Sub da_RowUpdated(byVal sender as System.Object, ByVal e as SqlRowUpdatedEventArgs ) in my code. I don't know how to set it up. Thanks... ...more >>

Hello, I have an icon in my system tray and I wish to call various functions from withing the tray which involve the application been maximized. The following event is on the system tray icon Dim mouse As Cursor Dim Myprojectdet As New frmProjectDetails If...more >>

hey all, i'm using method webclient.filedownload to automatically download a file from an internet site. that works great. well i was wondering if there was a way to monitor or check if that file has changed since the last time it was downloaded? thanks, rodchar...more >>

Article ID: 301225 I can't seem to get this code to work. I modified it alittle so I could try and figure out the exception. I keep getting an error on the " Do While (reader.Read()) " statement. I'm using the books.xml file MS supplies for the sample code. Am I that far off in left field??? o...more >>

Hi, I am writing a PocketPC application using VB .NET. I created 4 tabpages (ex. page1, page2, page3 and page4) in a form. There are lot of textboxes in each page. When I open the app in PocketPC emulator, I see only page1. It looks like I have to force the scrollbar but not sure how to do tha...more >>

Hi, Even I referred Syncfusion.Tools.dll in my project, while I compiling I got the following error message. 'AnimationDelayInMilliSeconds' is declared in project 'Syncfusion.Tools.dll', which is not referenced by project 'Inventory.WinApp.dll'. What could be the problem? kumar ...more >>

Hi folks. I have a problem with a Datatgrid. When my User selects a row in the Datagrid he is able to scroll through the Grid by using the Mousewheel. The prob is that when the selectedrow is scrolled out of the grid u cannot use the mousewheel to scroll anymore. Does anyone know zhis prob...more >>

can somebody help me please with this simple problem? I have combo box with numbers for months in it and want user to be able to select a month Say 3 (for March) simply by clicking a number either from the top row of keyboard or from numeric keypad. So far I got this work for the top row (...more >>