I have set up a test program on how to use colletions saved and loaded from a file. It was a part of a other program until this happends. The saving process working fine but it looks like something goes wrong in the read and refill the listbox. Say there is three items listed in the file. It ...more >>

Hi All, This question may sound very silly....anyway, here is goes! Where can one see the output of Debug.Writeline? Thanks. kd...more >>

Hi everyone, I have been using VB5/VB6 and loving it but since my upgrade/new installation to VS.net 2003 and even the new VB.net 2005 beta 1. The GUI design is very slow and generic looking. Every time I read any post on any of these product, no one seem to have this issue so I was wonder...more >>

I was doing some testing of the effect of Option Strict on particular Word VBA statements. So I created a Form, the events of which called Subs in separate Modules. Each Module is in a separate file so I can have a different Option Strict in each. I then noticed that I had to include an ide...more >>

Hello All, I need to write VB.NET application as Windows Service with the following functions: - the Windows Service shall be able to scan and receive data via serial port - the received data from serial port to be saved in the text files. Is anybody can advice the proper way to do it? Th...more >>

Hello there, How can I highlight the particular word in a string w/o using any of the event just using the code itself just like for example.. The big brown fox.. Just want to highlight the word "brown" .. How can I do this on the code? Hope you can help me on this. Thanks!!! ...more >>

I need to detect an object first. If it is not nothing... clear the dataset. However, Does there is any "is not nothing" function ?? Thanks If Me.pObjdaResultSet Is Nothing Then Else dsMasterCompany.Clear() endif ...more >>

For my Application i have created 3-4 different forms that can be used as the user interface for the program. The user specifies which one he/she wants to use in a ini-file and then my code will create an instance of that form. Currently all the forms are placed in a "Forms" project inside the p...more >>

Hi, I am upgrading a VB6 project that used a stdPicture and passed it's handle property to a DirectX 7 API function. VB .net doesn't support the stdPicture and advises using system.drawing.image as an alternative, but the .net image control doesn't have a handle property. I have worke...more >>

Hello there, How can I highlight the partical word in a string w/o using any of the event just the code itself just like for example.. The big brown fox.. Just want to highlight the word brown. How can I do this on the code? Hope u can help me on this. Thanks!!! ...more >>

Hello all After years of playing developing stuff for fun and personal use I'm finally developing an app that I am intending to sell. As such, I'm trying to make it as reliable and stable as possible and also ensuring that it fails gracefully. So, I'm trying to use the Erl property of th...more >>

I know how to define enums, and they work great. But is there any way to define the same time of thing but give them actual values? For instance, I'd like to define something with the idea like this: Public Enum TMCContentStatus as string PrevApproved = "P" ToBeAdded =...more >>

hi! How can I create a combobox column in a datagrid? I downloaded an example where I copied a reference and added it to my own project. It worked out great, but it's only a trial of a datagridcolumns assembly for MS VS.NET from RustemSoft, and therefore some features are read only. Sin...more >>

Suppose I have Access Database file on a remote server, How do I use DataAdapter to connect to this ? What will be the connection string ? Brief example would be helpful. ...more >>

Hi I have a form with a listbox, two comboboxes and two Radiobuttons. What I want to do is make a selection from both comboboxes and either Radiobutton and display these three elements across the top of the listbox eg. 5, 10, 'Go' As I need multiple rows of data I have a button to 'Load' this ...more >>

I have about ten checkboxes in a group box and there are about five different types of group boxes on a form. Why will this not work? // For Each c As CheckBox In gbAGD1.Controls If c.Checked = True Then agFlag = True Next \\ I get a cast error. What I want to do is instead of ...more >>

Hi! I try to do this: Declare Function X_InitHardware Lib "X_Com.dll" () As Boolean and then call this function, then I got this error: Unable to find an entry point named X_InitHardware in DLL X_Com.dll. I used Dependency Walker and turned off the "Undecorate C++ functions" option a...more >>

Hi, I can't press on the start button in my IDE because it is frosted. I don't understand why. Does anyone already got it? Thank you Marty...more >>

Hello! I am converting 2 Select statements written in VB ASP into C# ASP.NET. Please help. Set rsPPO = Server.CreateObject("ADODB.Recordset") sPPO = "SELECT a.line_no, a.loc_no, a.qty_ord, a.po_no, a.unit_price, a.tot_qty_rec, " _ & " to_char(a.last_rec_date,'mm/dd/yyyy') last_rec_date,...more >>

I would like to set the default value of a combobox to "nothing" or spaces when my form loads. I am using the dropdown list property becasue i want the end-user to select only values listed in the combobox. Also keeping the property that when a user enters a letter the cursor goes to the reco...more >>

Hi everyone, Is there a way to add a toolbarbutton with dropdown menu similar to the mail button in IE? In another word, when the chevron is part of the button not beside it. Thanks Ahmed ...more >>

Do we have the visual basic.Net equivalent for ASC and ASCW or do I have to reference the Microsoft.VisualBasic.Strings ?? Thanks, Vic ...more >>

Hello everyone, We are automating a paper based process and hence need to print certain pdf documents through our VB .Net Application. Any ideas how that can be done? Thanks *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded fo...more >>

I am pretty new to VB, so please forgive the simplistic question. This is using VB .NET Standard 2003. My form has three objects on it: a TextBox named URL, a Button named Extract and a WebBrowser named AxWebBrowser1. The goal is to have the user enter a URL in the TextBox and then hit th...more >>

I have a field in a DataTable with its AutoIncrementSeed = 1 and and AutoIncrement='True' when I remove all the rows from the Table how can I reset the Autonumber field's seed to 1 so that it forgets its previous autonumber value and starts fresh from 1 Regards, Nitin ...more >>

I am looking for an elegant way to return just the directory part of a string that represents a fully qualified path to a file. Example: MyString = c:\MyDir\Mydir2\Mydir3\Myfile1.txt I want to return just c:\MyDir\Mydir2\Mydir3 Thanks! ...more >>

Hi , I am trying ot connect a VB application to Access database. iam using the following connection string : con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;data source=c:\ windows\desktop\ex1.mdb;Persist Security Info=False" it worked where the access file is in the local syst...more >>

Hi there, I'm using MapAndLoad in C++ to acquire some information from an executable, I would like to use this in VB.NET too, although I'm not surfe how I would do this, is there an API available? Thanks loads in advance. -- Nick Pateman ------------------------------------------...more >>

My background is web based. I am attempting to write a Windows application and I am finding some simple things difficult. Currently I am trying to find out how to store information session wide. In the web you have session state and you can add variables or objects to it. They remain in exista...more >>

I have read approximately 30 articles now on various methods to make your vb.net application automatically update itself and I can't see how they apply to a vb.net windows services projects. The goal of the project is to write a windows service in vb.net that runs on many workstations that can...more >>

Hi Any one know how to Set the default time to 12:00 AM when a user selects a new date from the calender on a datetime picker? Best Regards Randy ...more >>

Hi all, Is it possible to have alternative coloured rows in a ComboBox? If so please can some one point me in the right direction. Thanks in advance Dave...more >>

Does anyone have some sample code that would show me how to drag and ..doc or exe file to a drop target and then extract the file path on drop? ...more >>

hello I have an ordinary datagrid in a vb.net application which displays products. I used the keyup-event to show a dialogform where product information can be edited. This works ok. But if the user then presses enter to save the changes in this dialogform, the keyup-event of the datagrid...more >>

I'm trying to implement a generic exception handling routine that will write information to a text file at the time the exception occurred. I am using the Microsoft Application Block for Exception Handling to write to a text file. This is working great plus I get the call stack which is an add...more >>

I am trying to create a VB.NET Windows application to move some data from a local Access DB table to a table in a SQL Server. The approach I am trying is to open an OLEDB connection to the local Access DB and then add a Linked Table pointing to the table on the SQL Server and then run an "Insert ...more >>

Hello All, I have several Pictureboxes (linked to an AccessDB) on a VB.NET form. I would like to use a context menu to allow the user to open the picture in their default picture viewer or editor. I'd like to use the same default viewer/editor and open with... choices that are present on th...more >>

Hi all, I have an audio device connected to my computer through line-in. At not regular base the device send audio signal to the line-in. Now, what I need to do is to write an application in VB.NET to monitor the line-in and in the presence of analog signal I have to call some other functions...more >>

hi I am using System.Web.Mail.MailMessage to send email. Is there any way to keep the email to "Sent Items" Folder?? I use Microsoft Outlook as my email tool. Thanks...more >>

I have a ListBox on the main form, in the child form when accessing items I get an error message "Object reference not set to an instance of an object." here is the code in the child form. Is there something I am missing i.e. setting the reference to the main form to access ListBox items? Publ...more >>

Hi there! I want my VB.NET-program to determine the total amount and free amount of RAM (system memory). How can I do that? I suppose with WMI, but I don't know which "tables" to query... Can anybody help me?? Thanks! RobinSword Posted Via Usenet.com Premium Usenet Newsgroup Servi...more >>

Hello friends I want to create one master-detail form with a textbox and a datagrid, where I can put the id of one client on the text box and see his orders on the datagrid. I can create this form using one listbox and a datagrid, but I cannot create this form using a textbox instead of l...more >>

Hi I just want to know how do I detect an usb drive when it's plug and retrieve his name, in vb.net Thanx...more >>

Hiya, I need to write a VB.net app to fax purchase orders out of an ERP database. What we do is: 1. In the ERP system, create the purchase order and print it to a PDF document/file 2. Open a fax cover sheet in Word and fill in the supplier details 3. Fax cover sheet and attached PDF via th...more >>

Any .dll or COM+ for .Net can help me retrive data from a Access file? The table contain several columns and the last one is a container which I store Article; because each article is a little bit huge, so when I store it, it ask me if I want to pack it (the article) into a object then I click '...more >>

At Uni last year we created a VS.NET application which connected to access database on a single machine, with a full install program. My question is does this system work well for a networked application, so for example I would install the program on a couple of machines(only about 2-6) then the...more >>

I try to serialize a simpley array: Dim arr() As Integer = {1, 2, 3, 4} Dim tmpStream As New IO.FileStream("C:\str.xml", IO.FileMode.Create) tmpSerializer = New XmlSerializer(GetType(Integer())) tmpSerializer.Serialize(tmpStream, arr) arr = tmpSer...more >>