I am using VB.Net and ADO.Net. My code to open Access database is as follows. dim dbConnection as string ="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\db1.mdb;" dim myDBConnection as OLEDBConnection = New OleDbConnection(dbConnection) myDBConnection.Open() this code works fine. M...more >>

Hi, I am a newbie to .Net (learning to do ASP using VB) Does anyone know where I can find an example of image processing in VB.Net? Specifically, I would like to see an example of resizing a jpeg image with a specified compression/quality. I know there are 3rd party tools out there, but resam...more >>

I need to search through a binary file to find a specific string and then replace it with another string. However the System.Text.Encoding.ASCII.GetString method i originally used seems to do some character conversion. I also tried using UTF7-8 and Unicode conversions, but the output is still co...more >>

I was using VB .NET, working on my database application. After running it successfully, I decided to take a little break. So I closed Visual Studio (I saved all files, of course), and when I opened my solution later, the application had several bugs which hadn't been there earlier. I had to ma...more >>

I have a file field on Webform2.aspx and it works (as far as browsing and getting file and path). What do I do next to get the file to upload? Thanks, Trint .Net programmer trintsmith@hotmail.com *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENE...more >>

Hi I have a project which I converted from Vb to Vb.NEt But the system is running extremely slow. I have Intel PIII Processor , 256 MB RAM. Plz let me know if tehre is anything I can do to enhance the performance of my system. I know from MSDN that vs.net can run on p-II even, then why is...more >>

Hi. Running an app with System.Diagnostics.Process process with: Sample code: myproc = New System.Diagnostics.Process() strPgm = "myapp.exe" strArgs = "" myproc.StartInfo = New System.Diagnostics.ProcessStartInfo(strPgm, strArgs) ...more >>

Hello All, I have a prob, i have a Access Datatbase with 4 Feilds. Feild3 in Table1 is a Lookup to Feild2 in Table2, how do i get a combobox in my datagrid to look at Feild2 in Table2? Well more to the point how do i get a combobox to start with? Also how would i bind my Standered Combo...more >>

How do I add intellisense comments to my VB.Net Classes Method and properties? I have found several examples in C# on the web but when I try and convert them into VB.Net I get errors. Specifically I have tried setting a description attribute with no sucess. Any help would be greatly appreci...more >>

Hi all, I have the following lines of code to access an Oracle Database: 'Imports System.Data.OracleClient ..... 'Dim myConnectionString As String = "Data Source=<databasename>;integrated security=false;User ID=<theUser>; Password=<thePassword>" 'Dim myConnection As New OracleConnection(...more >>

i am downloading a file using httpreponse. Now i want to make a multithreaded app which will create 3 or more threads for downloading the file. For this i want to pass different start position to read forn the reponse object stream to the thread. But i am unable to change the read position of ht...more >>

i have successfully added a combobox control in datagrid. this is the code i have created but don't show up the record from another table. Private Sub AddCustomDataTableStyle() Dim ts1 As DataGridTableStyle ts1 = New DataGridTableStyle() ts1.Mappi...more >>

i've noticed some strange behavior in .net when it comes to figuring out the previous month via code. this only happens when the month is january, and i know why it's happening, i just don't understand why this issue isn't addressed by .net. we have reports that get run on previous month's data, s...more >>

I am trying to serialize a class called Order to the ViewState. Order has one property called LineItems, which is an ArrayList. The ArrayList holds instances of a class named LineItem. Bother Order and LineItem are marked with the <Serializable> attribute. When I attempt to serialize the cl...more >>

Hi, I noticed a very strange problem: I made a new Winforms project, added two regular buttons, one imagelist, and added one .png image to this list. If I make button A's Image property point [directely] to this imagefile, it appears on the button and looks great. If I make button B's ...more >>

Hello- I have an application that opens a .txt file and displays the data in a richtextbox using the .LoadFile method. This all works, but here is my problem(s): When the .txt document is loaded into the richtextbox, it messes up the format (columns) versus opening the file directly i...more >>

One of my prospective projects calls for a procedure able to iterate through and evaluate the colour value of each single pixel in a bitmap. In other words, I guess I'd like to map the bitmap pixels to a byte array and prcoess that array. But I understand that there may be complications to doing...more >>

I know this has to be something stupid I'm forgetting. Any time a mouse button is clicked (any mouse button) I want get all the information about where the Pointer is, what button was clicked, etc even if it not over a form my app created. How can I do this. Like I said I know this is simple ...more >>

I have a class declare like this: <Serializable>Public Class Talk Public Structure _localTalk Public _iTalkNumber as Integer End structure End Class I can see the structure from other classes, but I cannot see the internal data member. I've also tried setting the internal data member t...more >>

Use ICSharpCode.SharpZipLib Can view files in zip library. Files are being created the wrong size when unzipped. Sample code I found in this newsgroup. I thought I could change from s.length to onefile.size, but that doesn't work. Any idea? Thanks. Dim zipfile As New ICSharpCode.Sha...more >>

How to convert number 0.17e-7 to 0.0000017 ...more >>

Does anyone know how to find out the current directory of a class. My business object is using a Microsoft Access backend and I have to hard code the path of my connectionstring. Thanks....more >>

This message has been posted to 2 groups, one to the VB.NET group, and the other to C#. I am trying to decide which language to commit to for a large scale project. I am looking for the input of people who have gone through this process before. I am currently leaning towards C# solely becau...more >>

Is there a control that I can put on a Form that would let a user select just the month value? I tried to find a way to make the DateTimePicker or the Month Calendar do what I want but I can't. I want a way for the user to say "Let me see what is in the database for the month of January 2004....more >>

Hi all I need to generate xml schmea for a stored procedures to use with crystal reports tell me any quick and easy method. thanks Noor ...more >>

I have an application that creates a class. The class has unmanaged resources, so must end gracefully. How can I guarantee that the unmanaged resources are freed? I have looked at IDisposable, but this seems to rely on a call from the application, e.g. MyClass.Dispose() and I don't wis...more >>

I have a class that inherits NameObjectCollectionBase called Products. In the class' constructor, I add items using BaseAdd(key,value), where key is a string representation of an id and value an instance of another class called Product. For example: Me.BaseAdd(Id,New Product(Id, Name, Price)...more >>

Hi All, I firstly apologies if the subject of my post is off-beam (likely!). I understand the principles of tiered applications and I've written an application as such. I have: An SQL database A data layer which provides database connectivity A Business Object Layer, which for example p...more >>

I have a dialog box that comes up during an automation process (automating an external application). I need to be able to automate the interaction on this dialog box. The dialog box is a save as dialog that comes up when a file is chosen to be downloaded from a site. I can't do a direct down...more >>

I've been working with the free versions of Dundas Chart and ChartFX Lite for VB.Net application development. Now I need to buy one of these to access the features that aren't supported by the free versions.. While there are differences in IDE they seem to be similar in features. Does anybody...more >>

Hi I need to retrieve a metafile image from the clipboard and render it as a bitmap in my application. In particular, an image will be placed on the clipboard by pasting from PowerPoint (I really do need to do this!). The original image is a bitmap, but PowerPoint doesn't place it on the cli...more >>

Hello! Experts, I have the following piece of code in VB.NET that I want to use to update any records in the database. I would like to use a code as well as DataGrid to update the records. Please guide me how can I achieve it. I know there is an Update command to to do this that but since I a...more >>

I have a string: 555-1234,12345,"Jones, John" I want to split the string based on a comma as a delimiter. Since the name portion has a comma and is delimited with quotation marks, I need to ignore or strip them out. I also want to reverse the last and first names so that "Jones, John" becom...more >>

i want to download a file using HttpWebResponse object from a web server. But before starting download i want to find out total size of that file in bytes. How can i do that. Vikram ...more >>

Hi All. I have to build an application in VB6 ...which after some time needs to be migrated to VB.net I was wondering what guidelines should I follow so that migration to VB.net is not too painful ? Please provide any good URLs etc. if you have on this topic. -Thanks Pankaj ...more >>

Hi all I am writing a windows service in VB.net that i would like to push out an xml file at a scheduled time. I have done this before in windows/console applications successfully. I have ran into a problem when i declare a new IO.Filestream variable in the windows service. It seems like my ser...more >>

Hi, I have a question, and please I need a answer. How can I finalize a thread running with Application.Run (I need the message loop!!!) without call Thread.Abort?. I want to call Application.ExitThread in the same thread that it is running. So, This is my example and I don't know ...more >>

Hello, I have a problem whereby I wish to update a dataset bound to a datagrid without the user having to click on the next row of the grid to initiate an update. I have the following event code for my grid Private Sub dgMyDatagrid_CurrentCellChanged(ByVal sender As Object, ByVal e As...more >>

if i have a class that is declared public abstract class Hashlist : IDictionary, IEnumerable { ....} how do i translate the following (method?) into vb? IEnumerator IEnumerable.GetEnumerator() { return m_oValues.GetEnumerator(); } thanks, Craig Buchanan ...more >>

is there any way to record the voice and convert it in byte or in other words I want any idea or a sample regarding voice messenger. Any idea will be highly appreciated. Thanx....more >>

So I'm working with PureIRCD (http://sourceforge.net/projects/pure-ircd) and everything was fine untill yesterday when the server crashed. So I did a cold restart and staretd the server back up now it's throwing this stream of errors right away. DOes anyone have any idea what they mean. I havn...more >>

Hi, I would like to validate email addresses. I am not interested to validate it with a regex expression but from the email server where the addresses are. I would like to query this server and know if the address is valid or not. Thank you for your help....more >>

Hello, I am having a problem showing data in a form textbox which is bound to a column in a table in a dataset. I have successfully established a connection to an Access mdb, successfully created the oledbadapter and successfully created the dataset object. The table in the mdb is tbl...more >>

I have a page that needs to brows the local computer and be able to upload a file to my site...I have used the "help" in vs.net and the "openfiledialog" gives me a server error page every time...that may not be for the internet, I don't know...help is appreciated. Thanks, Trint ..Net program...more >>

Hey guys Quick question: how do i find out if the remainder of 4 divided by 2 is a whole number ? NEED CODE PLEAS THANX IN ADVANCE...more >>

Hello After reading yesterday's thread on performance of C# and=20 vb.net i've just turn it on my solution and spent 2 hours=20 correcting the errors :) I have a problem i don't how to fix i have a class that=20 export data to a Excel Workbook.=20 I get 2 types of errors : Option Strict On d...more >>

The "Run program" dialog and the Internet explorer adress bar got the autocomplete effect, where what you type is matched against previous visited adresses. Anybody know how can i create a textbox/listbox that will have this effect in my own program? ...more >>

I want my app to load a splash screen first than the app. I want this very simple please ( new to vb.net)...more >>

Hi I built an app of one .exe and several .dlls. I'd like to know how to force to change the version of dll everythime I rebuild the app Thank ...more >>

Hi All I'm having problems getting my data adapter to throw a concurrency exception with an INSERT command. I want to throw a concurrency exception if an attempt is made to enter a row into tb_table when a row with the same int_UID already exists in there. Here is my stored procedure: if...more >>

DirectSS API - Microsoft Direct Text to speech API is not rounning in VS.NET 2003. Does any body know y? although it was running in VS.NET 2002 but in VS.NET 2003 it is not running. Is this a bug of VS.NET 2003? Any answer will highly be appreciated. Thanx....more >>

Everyone, I have java classes and need to call it from vb .net. any suggestion? Thanks....more >>

I have had great success with using <iframe> with overflow-y set to auto. I can get a similar look with the <iframe> tag. BUT... In all cases I need to have fixed heights. Is there a way to put either tag inside an HTML <TD> and have the same kind of scrolling effect. This would allow me ...more >>

Hi How can I load a text file into a TextBox? I have used System.Text.StringBuilder for fast loading. This method works fine under windows XP, but it does not work in windows 98. Any idea is appreciated. thnx in advance....more >>