Hello, question, I want to make a COM-compatible .NET DLL (Visual Basic). For this I need an interface. The DLL has a class that must contain methods that can be used without making an instance of the class first. So I have a class that has methods that derrive from an interface, and the sa...more >>

Hi We are in December now, any news on the vs beta2 or ctp? Thanks Regards ...more >>

Is there a nice way of writing out to app.config file? Landley ...more >>

Hi, I have the following element into my XML file : .... <Test>result is bad </Test> .... I would like to modify the value "result is bad" by another string and to save xml file. I've never done it before. How can i do this, please ? thanks a lot, Maileen...more >>

Hi All! I think I discovered a possible improvement on .NET Framwork's TRY...CATCH...END TRY statement. I guess most developers might also have been discovered that at some point in their .NET development process but continued to ignore the problem due to their workloads. The word is RET...more >>

I'm a Java developer relatively new to to VB .NET (and I don't know the old VB6 at all). I know how to draw lines, circles and other simple shapes on a form in VB.NET (using the onPaint event). Could someone out there please give me a simple example, or point me to a SIMPLE example that: ...more >>

I'm a Java developer relatively new to to VB .NET (and I don't know the old VB6 at all). I know how to draw lines, circles and other simple shapes on a form in VB.NET (using the onPaint event). Could someone out there please give me a simple example, or point me to a SIMPLE example that: ...more >>

hallow i have the folowing code to add somme textboxes comboboxes and checkboxes Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click ControlCount = ControlCount + 1 Dim check As New CheckBox() check.Name = "checkonoff" ch...more >>

I have spent the last 7 years doing things like this... relatively simple. Now with the move to .NET I'm lost. Can someone give me a headstart on how to do this in vb.net. I appreciate any help I can get I learn the best from having a working model and then expanding on it. Function Inser...more >>

Hi all, When I compile my project, there're errors shown as below. Preparing resources... Updating references... Performing main compilation... vbc : error BC30464: Namespace or type 'Drawing' in the project-level Imports 'System.Drawing' cannot be found. vbc : error BC30464: Name...more >>

I am looking for a way to manipulate a tape device from within .NET. I see there is the ManagementClass, which I think others have mentioned before, but it is not clear at the moment whether this allows control of the device. For example, I would like to be able to issue commands to move to a ...more >>

Hi all Im a bit of a newbie to VB.NET. Under vb6 if i used a class library DLL and it wasnt available i could use the on error resume next to get past the code that calls it and trap it afterwards and display a custom error messageor move on. I was wondering if this is possible in VB.NET, it s...more >>

Sub Button1_Click(sender As Object, e As EventArgs) Dim ConnectionString As String = "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA SOURCE=" & server.mappath("EzySys.mdb") & ";" Dim myConn As New OleDbConnection(ConnectionString) Dim myDataAdapter As New OleDbDataAdapter() dim mySQL = ...more >>

Thanks anyone for helping me out in translating this code snippet to VB. typedef unsigned int WORD; typedef unsigned char BYTE; typedef union { WORD w; struct { BYTE lo,hi; } b; } BYTEWORD; WORD ComputeCRC16(char *msg, int len) { BYTEWORD chksum; unsigned char...more >>

I'm struggling to think of how best to make a lookup table for strings that's robust to maintain. What I mean is that when my program encounters string1, it can for example easily substitute string2, where string1, string2 belong to a set of pairs of arbitrary string values. I could set up ...more >>

I am using the embedded ActiveX IE WebBrowser component in my C# application. I want to be able to Enable/Disable javascripting programmatically. I was wondering if there was a way to achieve this? I was hoping maybe there was a registery entry I could modify directly. Any help will be a...more >>

Hello, I have a client/server application that needs to show forms depending on what is received. The problem is that my Client class that handles all of the sending and receiving of data raises it's DataReceived event in the thread that is asyncronously reading the data from the tcpclient. Th...more >>

Is it possible to create an installer for a windows service i created in VB.NET? I need to install the service and start it up automaticlly. thanks ...more >>

Hi, all, I have a timer on one form (A), which is a parent form, use click on one button on form (A) to show form (B). When timer ticks on form (A), I need to notify form (B) that it happened. Do I have a way to do it in vb.net? Thanks! Greg ...more >>

This is some C# code out of a book that is part of a server component using Application state. I'm trying to convert it to VB. I can't find the VB equivilent of the Lock. I thought it might be a Mutex but those docs look different. What is the VB equivelent of the Lock code below? Thanks,...more >>

I am using a PropertyGrid with some classes that have custom Type Descriptor attributes. The attributes change how the PropertyGrid displays the properties of the object. The folder structure for my app is this: MainAppFolder | -- Modules | -- Module1 ...more >>

Hi expert, I have a data field (birthdate) contains a datetime datatype (mm/dd/yyyy), how can I convert to mmdd?? say, the birthday is 8/1/1979 and convert to mmdd DOB = DS.Tables("AcctInfoTble").Rows(3)("BRTHDATE") strResult.Insert(12, DOB.PadLeft(37, " ")) ------------------------...more >>

Hi, I have the following code. Dim RD As System.Data.SqlClient.SqlDataReader Try 'Try2 OpenConnection() RD = cmdSQL.ExecuteReader While RD.Read = True UserIDSQL = CInt(RD.Item(...more >>

Hello people, I'm currently dev. a application under VB.NET and i would like to use the microsoft Fingerprint Reader for the login of this app. so i whant stock the information (from the reader) direcly in my own DB if you know a litlle bit about it or if you know a url just reply ;-p thx...more >>

Hi All, How to get the no of memory bytes allocated to the Array of type String? Dim arrDetail(100,10) As String Thanks and Regards Sakharam Phapale ...more >>

I would like to query a nested query string go.aspx?redirect=to.aspx?par1=value1&par2=value2 The problem is that inside go.aspx, Request.QueryString("redirect") only gives me to.aspx?par1=value1 instead of to.aspx?par1=value1&par2=value2 Is there any other way to write go.aspx?...more >>

Hello, O.k so we're looking to "outsource" all our control development. Off the shelf is simply too easy and comparatively inexpensive to continue to ignore. Infragistics have been on the radar for quite some time. Who out there is using their toolsets for UI in their dotNet apps, and what ar...more >>

Are nested Try/Catch statments allowed? TIA ...more >>

Hello, I am having trouble building a visual basic project. It is quite common and can be the first time or after a number of builds where it starts to compile a project and freezes waiting for something. I can stop the build and it responds. I've tried rebuilding and make no difference,...more >>

I need to activate another application, after clicking in a right click menu/context menu in my application. Problem is that the other application doesn't get activated and brought to the front as expected. All it does is flash it's "icon" in the taskbar. I then have to click on the flashin...more >>

Hoo WinTail v2.11 Hoo WinTail is a real-time file viewing Windows utility like the Unix tail -f utility. It can be used to view the end of a growing file. It is ideal for viewing application traces or server logs in real time, as they are generated. Quickly viewing the last part of a large fil...more >>

I have a MDI parent form with a RichTextBox docked on the right hand side. When I open a child form part of it is under the RichTextBox unless I move it over. Is there anyway to set my child forms to display on top of the RichTextBox? ...more >>

I am building a simple user control - a listview, a couple buttons. I build the solution, drop the control on a form, and all is well. I then go back, modify the Usercontrol, rebuild, and still all is well. However, at some point I get the "Object Refererence not set to an instance..." err...more >>

I have created an Interface called IClientModule in a class libarary and have compiled the library to a .dll. In my main app, I scan a folder for .dll's and load each one that implements the interface. For each one that is loaded, it is stored in a collection object which is an instance of a ...more >>

Hi everybody! I'm creating a very simple VB .NET application that needs to launch the command line ml.exe compiler. At the moment I'm redirecting ML's output to a text file and then my app reads its content and puts it to a textbox for the results. Is it possible to redirect ML's outp...more >>

Is there a way to use put a working VBS script into VB.Net version 2003? I would like to compile it. ...more >>

Hi, I have a DataGridbound to a DataView. I have a variable gstOrderNo that is set; After the grid is loaded or on Event - MyGrid_CurrentCellChanged. On Event - MyGrid_DoubleClick I am loading another form that shows the order details. This works fine but I would like to launch the Order D...more >>

Hi, there I'm creating a table for my Access database. Below is my code. I always got a table I wanted no matter if I use "Single" or "Real" data type. strSQL = "CREATE TABLE GeometryValues (" & _ "zNameID SmallInt NOT NULL PRIMARY KEY ," & _ "zValue Single...more >>

If I create a solution that contains (2) projects. ProjMain and Proj2. Each project has a form1. I want to press a button in ProjMain and show form1 of Proj2. How do I do this? Gary... ...more >>

Hello, Anyone know how to draw HMTL style borders, such as ridge and groove, on a VB.NET control. I want to be able to draw borders of various styles, colours and sizes on a picture box or similar control. Thanks in advance. Ian Kevan ...more >>

Hello, Is it possible to package a oledb data provider? I need to be able to access an iSeries machine, but the server that the program is being installed on does not have the ibmda400 provider. The easy way would be to install client express, but unfortunatly that can not happen. Any...more >>

hi, I am creating a usercontrol in .net that inherits from the panel control. I want to display it in the component tray -- like the timer control -- and not on the form. thanks, dave...more >>

Hi, I've been playing with an idea in my head but don't actually know if it's possible, so I thought I'd post the qustion here and see if anyone knows how? Is it possible to type some text into a textbox then get your app to put this text into a web based textbox, then get the text from t...more >>

I am trying to read in a xml file that I exported from my MSAccess table using the following lines of code but it bombs. Is this the right code? Is there a way to get a clean export from Access so the XML file will read in OK into a VB .Net Form dataset? ==========================...more >>

Hi, I am trying to send an email with attachments(these attachments are in temporary folder) in ASP.NET using classes defined in System.Web.Mail Namespace. I dont have SMTP service installed on my machine. When I invoke "Send" method of SMTPMail class it throws exception and in "Finally...more >>

I am trying to put a description on a Constructor of a class. All doc says to Import System.ComponentModel, which I do. But in order to get "<Description" to be recognized I have to use "System.ComponentModel.Description(..." and, even then, it doesn't display when I reference the class. Fi...more >>

In other words, can I start a function that sends values to a perl script and then get the return values back to VB??...more >>

hi i working with TreeView in VB6, and have good Properity Named (Key) with the Key i can goto Any Node i know hes Key. but in VB.NET i can find the Key :( please tell me where i can find the key in TreeView.Net... ----------------------------------------------- Best Regards From Tark ...more >>

Hi all, I'm trying to create a dataset as a component to make it accessable from all forms. I have used that following code so far in the component designer: Inherits System.ComponentModel.Component Dim _TryDs As dataSet = NewTry Public Property dataSet() As dataSet Get ...more >>