Hi I'm currently writing a VB.NET service that uses external Dlls, like this: Private Declare Function ReadSettings Lib "mydll.dll" () Now, how can I protect this function (ReadSettings) from being called more then once a time? I tried to use System.Threading.Monitor.Enter(ReadSett...more >>

Hello, I have a number that is 6 places long. I would like: "16" to be "000016" "116" to be "000116" and so on. Any help whould be great!! Thanks, Jack ...more >>

I built a dataform using the VB.net wizard. I have two tables, with one relation, Parent to Child, linked on one common key. The dataform loads the data fine, and when I click on the Add button, it appears to add a record (the record count goes up) but unlike single table dataforms, the fo...more >>

Is this expected behavior? Winform with button and listbox: Dim i As Integer For i = 0 To 50 Dim s As String If i = 1 Then s = "Only once?" End If Me.ListBox1.Items.Add("Test " & s) Next If I run this code I find that the value of s remains at "Only once?" throug...more >>

Hi All, My system: WinXP Pro, VS.NET 2003, SQL Server Personal Edition. I'm having problems with my old favourite demon, SQL Debugging from within VS.NET. I have to say I've found this particular feature to be one of the most useful and (sadly) unreliable/fragile features in VS.NET, it see...more >>

Hello I have a DLL A which accessing an other DLL B. In my Application I use DLL A. DLL B has a Strongname. DLL A not. I have no access to the sourcecode of DLL A. And no Access to the sourcecode of DLL B. Now I want to replace the DLL B by my own new DLL C. I create the exactly sam...more >>

Hi, I want to print some record(s) from dataset.table(tbname) using PrintPreviewDailog and PrintDocument. But It has a infinity loop error. I use a class to control the print procedure. Here is my code. Public Sub New(ByVal dbset As DataSet) jobFont = New Font("Times New Roman", 12...more >>

Hi, Does anyone know whether there is a way to test the download speed in a VB.NET application. I want to be able to download a web page (which I've managed to do), but now I want to measure how long it takes to download. Anyone have any pointers on how I can achieve this? Thanks Scott ...more >>

Hi, I am trying to populate 3 paramters in an asp .net (vb) page redirect, the first one is ok ok and gets populated by the other two get inserted into the url for the redirect as empty strings! Anyone got any clues?? The code is below and I have checked that the variables beginning with "g_...more >>

Dear Sirs, I was posting data via inet with vb 6 but after updating vb.net I can not post my data, I am trying to send following data to one URL "u=test&p=soku" I was using following text to convert data; aPostData = StrConv(strBody, vbFromUnicode) After uptading vb.net, it change my...more >>

I want to use VB .NET to fill in forms and submit a response to a remote Web server which uses Javascript and .asp. It seems to me that I need some type of Java interpreter within my VB code which I can use to move the cursor, enter text and submit. The alternative may be to use axWebBro...more >>

How do I find out if the default printer is offline or online (or has a paper jam)? ...more >>

I am trying to print the same visual basic report multiple times in my VB 6.0 application using the command <reportObject>.printReport False, rptRangeAllPages. The only thing that differs between each report is a label that get modified. The result is only the last report processed is pr...more >>

Your date/time/timezone is seriously wrong. Please fix it. -- HTH, -- Tom Spink, Über Geek Please respond to the newsgroup, so all can benefit "Maybe it's a game called 'Punish the User'" ...more >>

How do I determine the Num Lock status, on or off, and display it on a status bar? TIA...more >>

Ever since I've been using objects with VB I've instantiated the business object from the form; the business object then creates/destroys data access layer objects as needed. The business object also maintains state for the form variables. The form unload / closing event destroys the business ob...more >>

I'm trying to embed an image in an RTF control, but the only working method I can find is to do so via the clipboard and use myRTF.paste(). The problem here is that it obviously destroys the existing clipboard contents. Does anyone know if there is a way to call the RTF control directly (such a...more >>

Hi Option Strict gurus, Because of the so much given advises here to use Option Strict I did try to use that. But it gives an error and I don't know how to resolve that. The message is that Option Strict disallowes late binding. So how to do it then? The statement is from an example somewhere ...more >>

123456...more >>

Hi. How to have combobox in a datagrid as add combobox item from a table column . is there an easiest way to do it.. Is there any activex available to do this easily....more >>

Hello, I need to be able to list all the fonts on a system in a way I can then use the names to format my vb app. text. Thanks for any help, Jack ...more >>

I was posting Q&A at microsoft.public.dotnet.vb.general from outlook express, but that group seeems to have disappeared off the face of the earth. Why are there so many similarly targeted newsgroups and is this the main one that vb.net developers are using? Confused. Bob...more >>

I developed a control and a component. My control uses my component. I have a test application and when I add my control to a form in the test application, my control's dll is automatically added to my test projects references list. But I need to add my component's dll to be added to reference l...more >>

Hello, How to overwrite an existing file without asking the user if he wants to overwrite it or not? Hayman ...more >>

Hello I was wondering if there is a way to send and excel sheet as an attached file without sending this file to outlook Hayman ...more >>

Hello, I'd like to insert a jpg file in an excel sheet Can you help me please in that? Hayman ...more >>

I have a seq. file with some blank lines (CrLf only) in it. When the line is read, I get a value of "Nothing" returned, which give me an "End of File" condition, so I terminate my procedure. How do you get around interspersed blank lines? TIA, Larry Woods ...more >>

I store me reporting data in MS Access table, and I need to programmatically generate XML file (in text) that loads these data, include all these data with appropriate definition, i.e. root, elements, entities, and sends these data to another party on daily basis. Does anyone know the ea...more >>

Hi, I"m trying to use drag & drop of text from one text box to another but without suceess. Microsoft presented an example in "101 code samples" BUT in this example the code select and drag all the text in the TextBox, wether the user wants or not. I need to drag only the selected text (c...more >>

Can someone tell me how to load a xml file into a xmldocument object by pathname of the xml file? Thanks in advance!...more >>

Could someone please explain if there is a difference between when one should use the word method or function. Do they have the same meaning? ...more >>

Dear Sirs, I am using following scripts to add data members to listbox, but I can only add one fiels. Any idea how can I add more than one data fields to listbox? Me.cmbGurup.DataSource = dv Me.cmbGurup.DisplayMember = "Gurup" ...more >>

Hello I turned Option Strict on and after I did, I am getting an error of "Option Explicit does not allow late binding". OK great, now it is time to learn how to create a strongly typed dataset. The "tables" I am actually working with are just flat files, but I thought I would go ahead and c...more >>

Did anyone know how to call event or function but application did not run immediately to that event/function, the application put that event/function in queue ... for example : 1 event Clicked() 1 funtion PostClicked() in event Clicked() there is a script to call funtion event Clicked() ...more >>

Here a simple one. (At least I think it is?) and any help would be truly appreciated. I have an inherited textbox on my form based on a custom texbox control. It looks something like this (I'll keep it simple) Base Class: Protected Overrides Sub OnTextChanged(ByVal e As System.EventArgs) ...more >>

I want to know if the type of data of one object is the same type as another object. The "TypeOf" function let's me find out it the object is integer or string or.... but it does not seem to allow me to compare the types of 2 object to see if the are of the same type. How do I do this? dim...more >>

Thanks a lot ...more >>

Hi, Here is another problem I am having, after discovering regular expressions are available in vb.net std 2002. I have a line read from file that produces the following string: inputln = "1.0 kt 1.6878099 ft/sec" I tried this (below) and it does not work, and I cannot figure out ...more >>

Help, I have vb.net std 2002, have a windows forms app and am debugging code behind it. I think I am viewing the source, I set the project to debug (as opposed to release), I start the debugger, it stops at a breakpoint. But as I step through, it stops on what appear to be comment lin...more >>

Ok, the silence is deafening. I posted my selectable sort application to show that you can use the IComparable Interface just as effectively as the IComparer Interface and the feedback has been, well, there hasn't been any feedback. Does that mean I have silenced my critics? Are you so ...more >>

Hello. When you use the ListView1.Item(0).Selected = true, this addis the item to items which show up int the ListView1.SelectedItems collection, but the item is not highlighted in the control. How to you get the item highlighted and how to you identify the specific element which is highlight...more >>

I'm having a problem and it's driving me crazy. This code does not work when run under VB.NET, but it works in 2 regular expression evaluators. Am I missing something here? Chris ----------- Sub test() Dim testString As String = "Me.Button1.Name = 'Button1'" Dim regVars As N...more >>

Hi All, I am currently working on a project, which involves creating a COM Add-in using VB.Net, for MS Word 2003. As usual, I am creating few custom menu buttons under the File and Tool menus. These menu buttons are being created in the OnStartupComplete event and removed in the OnBe...more >>

I know it's best to use objects instead of pulling info directly from a control, but just for my understanding, please help me figure this out: It seems to me that if I create a textbox on Form1 and make it Public, I should then be able to put a label on Form2 and make it display the contents...more >>

As far as I know, Groupboxes only come in one shape, a rectangle. But on one of my forms, it would be best if I could have a groupbox that's shaped like this: _______ | | _________| | | | | ...more >>

I am using Access in my project. In one of the forms, I am calling two tables, and two of the columns have date/time type, namely "ClockIn" and "ClockOut". I created a dataset and filled the dataset already. But I need to add another column which should calculate the difference between these two...more >>

There's a significant problem in automating Excel from VB .NET. Reminds me of a problem I encountered almost 3 years ago that was caused by the Norton Auntie Virus Office plug-in. Can anybody reproduce the behavior described below? For this example, I am using Excel 2002 and VS .NET 2002 and ...more >>

I need some help with formatting this string. Input: asfbsdfsd<time>June 12, 2003</time>blah blah I need to filter out everything outside the tags. so the output would be. output:June 12, 2003 can someone help me write a function? thanks in advance Aaron...more >>

I wanted to create a type-safe collection by inheriting from CollectionBase. Public Class MyCollection : Inherits CollectionBase I found that IList.Add did not allow the setting of a "key" to identify an object added to the collection. So to implement a "key" similar to the parameter allowed...more >>

I am looking for advice on the best method of producing a piece of software written in Visual Basic or Visual Basic.NET that will control another standard windows program such as ‘Notepad' using ole automation. The system will be produced as a stand-alone EXE which will run on a single PC onc...more >>