Visual Basic .NET - Week 15, 2005

How to catch a right-click

Terry Olsen - 9 Apr 2005 10:21 PM - 12 messages

How can I catch a right-click on a DropDownMenuItem? ...

Visual Basic.net

Philipp - 9 Apr 2005 5:55 PM - 22 messages

Hey, did anyone have a good paper about the opject orianteted concept? wishes ...

VB.NET books with special focus?

.NET Developer - 9 Apr 2005 5:16 PM - 2 messages

I'm an experienced C++/C# developer, looking for VB.NET books with the following focus: (1) VB.NET WinForm development for C++/C# Programmers (2) VB.NET (or C#) Custom Controls (Design Time) Thank you in advance. ...

Access vs SQL

lgbjr - 9 Apr 2005 10:51 AM - 74 messages

Hello All, I've been developing a VB.NET app that requires the use of a DB. Up to now, I've been using Access. It's a bit slow, but everything works. I'm at a point now where I need to decide if I should stay with Access or move the DB ...

TAB (key) to next control instead of next column (in datagrid)

chreo - 9 Apr 2005 10:51 AM - 4 messages

Hello. I have datagrid. I found code to select all row in data grid (by mouse or arrow keys). This works great - user can select row and... ....and I want to go to next control. For example: User writes something in textbox - then hits TAB to go to datagrid... ...

Writing to Web Server

Glenn T. Kitchen - 9 Apr 2005 10:22 AM - 4 messages

Hello group, I'm new here, my name is Glenn and thanks for working with me. I'm looking to be able to transfer a file to a web server from a Windows program. I looked at Streams and saw no way to do such. I Imported ...

How can I let the internet explorer start to navigate in the same windwo?

husamal_ahmadi - 9 Apr 2005 5:27 AM - 8 messages

Hi everyBody: I have this question which really drive me cruzy, By using VB.Net: How can I let the internet explorer navigate in the same window either by using win32 API or by using Microsoft Internet Control refreance to ...

VB.Net Deployment

Ellis Yu - 9 Apr 2005 3:13 AM - 3 messages

Hi everyone. I have developed a VB.Net application that I want to install on our 2003 server network. I have tried setting it up on a server but it will not open on a workstation. A just in time debugger are shown that an exception ...

Multi-dimensional array with variable number of elements in last dimension

Tad Marshall - 9 Apr 2005 2:19 AM - 5 messages

Hi, I'm reading about arrays in VB.NET and I seem to have a few options for my data structure. I need a multi-dimensional array of structures, and my first thought was Public Structure myStr Public part1 as Integer ...

Legacy Client <--> DotNet Listener

Geoff - 9 Apr 2005 1:09 AM - 4 messages

I need to keep a few VB6 tcpClients active, but have them talk to a dotNet tcpServer/tcpListener. The "Server"/Listener is running as a Plugin, and needs to respond to "outside requests". The dotNet versions of the exe's ...

Unable to start debuging on the web server

Al - 9 Apr 2005 12:09 AM - 4 messages

Hi, I have ASP.Net application that I have moved to different machine. When I try to run it i get the error "Error while trying to run project: Unable to start debugging on the web server. The project is not configured to be ...

Getting reference to an ErrorProvider

J L - 8 Apr 2005 10:12 PM - 4 messages

I have a from with an ErrorProvider on it. I pass a reference of the form to a subroutine where I want to reference the ErorrProvider. I could pass it in the call to the subroutine, but I would like to ...

Dropdowns behaving differently on different systems.

bingomanatee - 8 Apr 2005 9:04 PM - 3 messages

I have developed what amounts to a fancy shopping cart wizard for a scientific instrument using VB.NET. We are having some disturbing phenomena relating to dropdown controls. On my system and other XP based systems I can repopulate the dropdowns ...

Async Delegates polling for vb.net examples

Viet - 8 Apr 2005 8:58 PM - 3 messages

I have a couple of questions that hopefully someone could clarify for me. I have an app that uses the threading.timer to constantly poll a scanner to scan in documents. I understand that Async delegates can also be used for ...

Emailing CheckBoxList content

Gamlyn - 8 Apr 2005 8:43 PM - 3 messages

Can anyone please show me what the VB would look like to get CheckBoxList form results into a oMessage.Body for sending in email? This is an example of my CheckBoxList: <asp:CheckBoxList ID="ckbThings" runat="server"> <asp:ListItem Value="Thing 1">Thing 1</asp:ListItem> ...

Easiest way to generate XML in VB.NET

Scott M. Lyon - 8 Apr 2005 8:04 PM - 6 messages

Quick (hopefully easy) question for you guys. What is going to be the quickest/easiest way to generate XML from VB.NET? Note: I don't mean an XML file, but XML in memory somehow (an XML-related object, but one that would have a method for getting the fully-formed XML ...

Excaping recursive functions

Michael - 8 Apr 2005 7:09 PM - 8 messages

Hi Everyone, I got the following code from Deborah Kurata's book. I need to return the control that matches the name that I pass into the function. It does iterate through the form but it will not return a control reference. Following the ...

Problem with a ListBox in code behind

Mart?n Llanos via .NET 247 - 8 Apr 2005 6:14 PM - 2 messages

I've this problem, in my aspx i put a ListBox, when i add lines to this ListBox and and click de button "Guardar", a java script function is called. In that java script I have this code: var lbPozosToAdd = document.all.lbPozosToAdd; ...

Why do we need Namespace and Module?

Lewis - 8 Apr 2005 5:23 PM - 5 messages

When I add a new module in the project explorer pane, the wizard inserts a Module1 scope, so any variables I will put there can be accessed with a qulification, e.g. dim a as integer will be accessed elsewhere as Module1.a ...

Possible values of DTE.ActiveDocument.Kind ?

Samuel R. Neff - 8 Apr 2005 4:31 PM - 4 messages

DTE.ActiveDocument.Kind returns a guid as a string. I couldn't find any list of what pre-defined GUIDs would be returned and what document types they correspond to. Is there a list available? Thanks, Sam B-Line is now hiring one Washington D.C. area VB.NET ...

Serialization Performance

ljlevend2 - 8 Apr 2005 4:25 PM - 3 messages

I've noticed that System.Runtime.Serialization.Formatters.Binary.BinaryFormatter can take a very long time to Serialize and Deserialize a large array of classes that implement ISerializable. In my test sample the array that I'm serializing contains 100,000 elements (which is similar to the array size in my real ...

arraylist copy

Sam - 8 Apr 2005 4:24 PM - 16 messages

Hi, I have the following code : Dim rNodeList As New ArrayList Dim rNodeListNew As New ArrayList For iCntr As Integer = 0 To tvRelations.Nodes.Count - 1 rNodeList.Add(tvRelations.Nodes(iCntr).Text) ...

How do you force a thread to run on a specific processor?

kaiteriteri - 8 Apr 2005 4:13 PM - 5 messages

I have a time-consuming VB.net application that i'd like to thread over 2 processors (that's all i've got in my machine!) and, hopefully, get it done in half the time. On running, the application should create a 2nd thread and run ...

Register DLL on another machine's VS.NET?

Brett - 8 Apr 2005 4:08 PM - 3 messages

How can I have my DLL register on another machine's VS.NET "Add Reference" section? If I compile it under VS.NET, will it go under the .NET tab in "Add Reference"? Thanks, Brett ...

How to remove a window-Icon

Peter Stojkovic - 8 Apr 2005 3:58 PM - 3 messages

I have programmed a window with an icon. Now I want, that this window has NO Icon. But I can not remove the icon within VS.NET. I can only select an other ICON ! How can I remove the icon from the window ? ...

treeview and imagelist

Sam - 8 Apr 2005 3:44 PM - 2 messages

Hi again... I'm trying to assign icons to the root nodes of my treeview. I've got an imagelist that contains 6 images. I've assigned this imagelist to be the one of my treeview. (I've used the properties manager for the above) ...

bin folder

Sai - 8 Apr 2005 3:17 PM - 3 messages

Hi All, I have written a HTTP Module (Auth.dll) to authenticate pages in a virtual directory. The virtual directory points to a network path (per se \\net1\web). Now I have to place the compiled HTTP Module Auth.dll ...

How to detect when items are added to Combobox/Listbox

Don - 8 Apr 2005 3:15 PM - 10 messages

Is there any way to detect when an item has been added to the Items collection of a combobox or listbox? I am inheriting a Combobox and want to validate items before they are added to the combobox, but I can't find ...

Inheriting forms problem

Geraldine Hobley - 8 Apr 2005 3:09 PM - 4 messages

Hello, In my project I am inheriting several forms. However when I inherit from a form and add additional subroutines and methods to my inherited form I get all sorts of problems. e.g. I sometimes get ...

Differences between vb.net listbox and listview

Melson - 8 Apr 2005 3:03 PM - 2 messages

Hi May I know what is the differences between vb.net listbox and listview. When should I use listbox or listview. Regards Melson ...

Validate User

Greg - 8 Apr 2005 2:53 PM - 4 messages

I am trying to figure out how to validate a userid against AD. At the time the user will be logged on as the local admin, right after puuling down a fresh image. the form asks for the userid and password to attach to a ...

Application.StartupPath

rodchar - 8 Apr 2005 2:37 PM - 5 messages

Hey all, I have a project that has been using Application.StartupPath successfully for a couple months now. However, when I pulled up the source just recently the compiler (or code complete) doesn't recognize this method. Am I missing ...

Change/assign a value to dataset

Roy - 8 Apr 2005 2:27 PM - 4 messages

Hi all, Would anyone tell me how to change a value of a column in a dataset? Something like this: ds.Tables(0).Rows(0)("Column1") = 1 Tia, Roy ...

Opening and Closing a form error : Cannot access a disposed object named "frmImage".

D Witherspoon - 8 Apr 2005 2:26 PM - 4 messages

I use the following code to open up a form. ------------------------------------------------------- If fImage Is Nothing Then fImage = New frmImage End If fImage.Show() ------------------------------------------------------- It works the first time, but when the form is closed and this piece of code runs again I want to check to see if it is nothing and then if it is nothing then create a new instance of the form and show it. Otherwise just show the form. Well when the form is closed by the user the form becmome "disposed" instead of nothing. Is this the result of ..NET Garbage Collection, and that fImage would eventually become nothing? ...

Excel Reports in VB.NET

krallabandi - 8 Apr 2005 1:45 PM - 4 messages

Hi, I am trying to generate Excel sheet using Provider=Microsoft.Jet.OLEDB.4.0; I am always getting the error while inserting data into any cell other than A. An unhandled exception of type 'System.Data.OleDb.OleDbException' occurred in system.data.dll ...

TextChanged

Nice Chap - 8 Apr 2005 12:57 PM - 15 messages

TextBox.TextChanged Event fires even when the text is changed programatically. How can I detect that the text has been changed by the user and not changed programatically? Thanks ...

A 100% freely FlowChart/Diagram ActiveX Control!

jack zhang - 8 Apr 2005 12:54 PM - 2 messages

Hi, UCCDraw ActiveX Control is an ActiveX control that allows creation and editing of Visio-style charts from within your application. Allows you to create flow charts, vector drawings, raster images and more with the ability to include hyperlinks and various shading and coloring effects. ...

stringbuilder replace doesn't work on vbLf , vbCrLf , vbCr

Guy - 8 Apr 2005 12:49 PM - 9 messages

Hi, I'm trying to run this code : strFileContentsHTML.Replace(vbLf, " ") strFileContentsHTML.Replace(vbCrLf, " ") strFileContentsHTML.Replace(vbCr, " ") It doesn't replace newline characters with . Does anyone know how I should do this? ...

DATAGRID+SQL: INSERT - works, but SELECT - not :-(

chreo - 8 Apr 2005 12:03 PM - 2 messages

Hello. Does anybody had problem with VB application with MS SQL Database? I have DATAGRID which shows TABLE from DATABASE. Next I add new ROW to TABLE with SQLcommand (stored procedure) Command works everytime - I see in database that new rows are added. ...

Sending DTMF Tones

Florian Göttsch - 8 Apr 2005 11:11 AM - 2 messages

Hi, I have the following problem: I must send a DTMF tone "A" for at least 3 seconds. But i can only find solutions for sending tones with a normal length ( about 200ms ). In Details: I have a client that is calling a server. Both are using DTMF-Tones to ...

Regular Expression to Parse HTML

Charles Law - 8 Apr 2005 9:33 AM - 27 messages

Does anyone have a regex pattern to parse HTML from a stream? I have a well structured file, where each line is of the form <sometag someattribute='attr'>text</sometag> for example A bit of text, or ...

openfiledialog control locks folder

juststarter - 8 Apr 2005 7:23 AM - 4 messages

Hello all, I am using an openFileDialog box to select a file (in order to insert it in a database). When the file is selected i am filling a few textboxes with the actual path, filename and extension of the file, so i no longer need the ...

Sending Mail using dotNET

Jon Masterson - 8 Apr 2005 7:12 AM - 17 messages

Hi Guys Another quick question please. I understand that to send mail using .NET I need to install the SMTP server. I have two XP Home edition machines here and neither of them show IIS in add/remove windows components. Do I need ...

sending string

notregister - 8 Apr 2005 7:01 AM - 4 messages

hi, how can i send a string to a device which is connected to my PC through a ethernet hub and lan cable?? ...

Creating dlls in VB.Net

Jon Masterson - 8 Apr 2005 6:48 AM - 3 messages

Hi All I am using VB.Net 2003 standard edition and would like to put my common library into a dll. Reading some books on the subject this seems possible but it looks like the option does not exist in the standard edition - is ...

sending bytes

notregister - 8 Apr 2005 6:43 AM - 3 messages

Hi, i have an array of data, all in bytes. How can i send it to an device which i have its IP address and Port?? How can i make sure the bytes are send in sequence, as in byte(0) will send out, then byte(1) will ...

Any similar comment line like ' TODO :

Prabhudhas Peter - 8 Apr 2005 6:27 AM - 3 messages

Any similar kind of comment line which displayed in task panal like ' TODO : If we add a comment line as " ' TODO : " . it displays in the Task panal... Like that, what are all the other comment lines available in VB.Net or where ...

Create Short Cut

Doug Bell - 8 Apr 2005 5:57 AM - 5 messages

Hi, I have a small application with a User Settings form I would like to give the Users the ability to (at any time) set the Application to load when the PC is started. Can someone point me in the direction of how to create a Short Cut and place ...

Get and Set screen resolution

Bill Nguyen - 8 Apr 2005 5:30 AM - 5 messages

My VB.Net app requires a minimum monitor resolution of 1024 x 768. How to get user's screen resolution and set it to the minimum at runtime? Thanks Bill ...

Why aren't changes on form?

Brett - 8 Apr 2005 3:28 AM - 9 messages

I have a button on a form. I've changed its text to "Exitl". However, when I run the app, the button text is "Exit". How could that happen? It's the only form in this app. ...

How to name a thread?

Brett - 8 Apr 2005 2:16 AM - 3 messages

In form_load(), I do this Thread.CurrentThread.Name = "MainThread" However, in the debugger thread window, I see: <No Name> appname.Classname.Form1_load Normal 0 Why does it still have <No Name>? Which name is that? ...

making a datagrid column not scrollable

Gaurav Goyal via .NET 247 - 8 Apr 2005 1:29 AM - 2 messages

hi,i want to have a fixed column in the datagrid so that it does not move on scrolling. can any one please help me on this. many many thx in advance -------------------------------- From: Gaurav Goyal ----------------------- Posted by a user from .NET 247 ([link]) ...

Newbie Question - Please HELP!

mikew - 8 Apr 2005 1:02 AM - 13 messages

The following code isn't working and I don't understand the error. Would someone please shed some light on what I'm doing wrong. Thanks. The error I recieve is: An unhandled exception of type 'System.NullReferenceException' ...

Outlook ContactItem.Display and .NET

Michael Tissington - 8 Apr 2005 12:50 AM - 3 messages

I have a VB 6 OCX In .NET I create the object and then pass an EntryID for a CONTACT Item. Then inside the OCX object I do the following code snip Set Namespace = Outlook.GetNamespace("MAPI") Namespace.Logon , , , False ...

Reading color from a text file FromArgb

Sam - 8 Apr 2005 12:21 AM - 3 messages

Hi All I'm having problem (which seems to be simple) to convert my color settings using FromArgb method. The colors are saved to a text file as string, using ToArgb.ToString method. For example one of my colors has a value of ...

MS Works spreadsheet import into vb.net

chris huff via .NET 247 - 7 Apr 2005 11:16 PM - 2 messages

I have a primary user who does NOT have ms Excel. He runs MS Works and uses the spreadsheet program within it. My vb.net application is focused around a price sheet that the user updates via their spreadsheet program and then uploads via the software, into the DB table. ...

dataset inheritance

pmcguire - 7 Apr 2005 9:43 PM - 5 messages

I have designed a user control (UserControl0) from which several other user controls (ChildUserControl(n)) inherit. Each ChildUserControl(n) has its own strongly typed dataset. I would like to include several (overridable) methods in UserControl(0) that act on the datasets (nothing exotic, only ...

Invalid Property Value Error

Alex - 7 Apr 2005 8:59 PM - 2 messages

Hi, what's happened to my project: each time I try to change any property of a control, I get an error message: "Invalid property value" and in details: "Object reference not set to an instance of an object. " Could it happened after I'd moved the project to a different location? ...

conversion issue

LS - 7 Apr 2005 8:54 PM - 4 messages

I use winpcap in dotnet to capture packets from the wire. I have them in a byte() array. (variable rawbytes()) How do I convert them to a readable string? I have for example following values 0,208,65,11,96,147,0,6,91,184, ... ...

How to access aspx page thru the menu control only?

ValK - 7 Apr 2005 8:19 PM - 7 messages

Hello, I'm using a skmMenu control on my asp.net pages. When user login to the application, I display menu items based on user security roles. So regular user will not see 'Admin' menu items, but if you know url for admin page then ...

How to Move Mouse to Control with Focus

Michael D Murphy - 7 Apr 2005 8:14 PM - 5 messages

Hi, I have win app in which I need to move the mouse to the textbox field that has the focus and then hide the mouse pointer. Any tips on how to do these two things would be appreciated. Thanks, ...

XMLReader and VB.Net

Michael - 7 Apr 2005 6:55 PM - 3 messages

Hi All, I need a few suggestions. I have the following XML segment: <LookUp> <ControlType>CheckBoxGroup</ControlType> <DBField>LastMedDate</DBField> <ControlName>cmbGoal1</ControlName> ...

Remote debugging: Unable to map the debug start page URL to a machine name

Tom wilson - 7 Apr 2005 6:38 PM - 2 messages

I've been through everything with this error and cannot get the debugger to work remotely. The only thing I can trace it down to is that RPC is not communicating between servers. So after many, many hours of searching I found the RPCPing utilitty. ...

Reading Output from Shell Command

Kevin Mansel via .NET 247 - 7 Apr 2005 6:36 PM - 7 messages

Ok, basically this is my problem. I'm building a console app to call a dos program. So i'm using the Shell command to call the program, now depending on what happens, I want to read the output that this program returns. I'm just missing the steps here. I know that I can set the Shell command to an integer, but this only returns a 0 to me telling me that it executed, not what is being returned to the console by that application. Is there a way to find out this information? ...

Moving a windows form from a windows app to a class library.

UJ - 7 Apr 2005 6:33 PM - 3 messages

I have a class that makes reference to a windows form. I am trying to make that class a class library and when I include the window file, it says that system.windows.form.form is not defined. How can I make a library the includes a window? ...

Dataview Find method, case insensitive?

Tim Frawley - 7 Apr 2005 6:30 PM - 4 messages

I am using the Find method on a dataview. What I have found is that the method appears to be case insensitive. I have tested this and it appears to be true. Is there a way to specify case sensitivity for this method? ...

Writing TIF to database

Bruce D - 7 Apr 2005 6:24 PM - 3 messages

I have two methods to write to the database. The first one saves the file to disk the re-reads it and then inserts it. This way works...at least I'm able to read the image when I retrieve it. ...

Type comparisons

Michael Rich - 7 Apr 2005 5:53 PM - 2 messages

I am parsing controls in vb.net and I need to detect if a control is of a particular type - as follows: if control.gettype = system.web.ui.htmlconrols.htmlform then ' do something here end if I have used TypeOf, Is, and all kinds of other things I could think of, but ...

Adding Resources at runtime

Frank Ashley - 7 Apr 2005 5:45 PM - 2 messages

I have found plenty of documentation on how to add resources at design time and write them out at runtime but is it possible to add resources to an assembly at runtime. Thanks Frank ...

open binary file and search hex string

Nikos - 7 Apr 2005 5:41 PM - 5 messages

Hi... I would like to search for a hex string (for example: "E903") inside a binary file... Although I open the file correctly, how do I search hex values? Thanks in advance! Nikos ...

ASP.net speech

pmclinn - 7 Apr 2005 5:36 PM - 2 messages

I remember using a text to speech plugin in vb6. Would it be possible to imbed this com into an asp page. The page will be on a company intranet. I'm looking to pass the plugin dynamic text and read back a ...

Problems with the excel find function in vb.net

pp - 7 Apr 2005 5:31 PM - 3 messages

I have copied this code from Excel VBA, to use in a VB.net application: Dim r as Excel.Range r=Cells.Find(What:="02/01/2001 22:00:00", After:=ActiveCell, LookIn:=xlFormulas, LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, MatchCase:=False, SearchFormat:=False) ...

newbie question regarding repeater control

Bruce Dumes - 7 Apr 2005 4:30 PM - 2 messages

Hello - I've got a project where I need to create a table like: The dropdownlist will be populated differently, or could be, for each row. Is the repeater control the right one to use for this? If so, how do ...

Help with some code?

Tmuld - 7 Apr 2005 3:49 PM - 3 messages

Hello, I have designed a simple web page that takes input from a user(from a textbox), then searches for that input in a database, when the Search button is clicked. Assuming the connection is good - help with the ...

for loop ending condition

Ben R. - 7 Apr 2005 3:47 PM - 4 messages

In an article I was reading ([link]), I read the following: "The ending condition of a VB.NET for loop is evaluated only once, while the C# for loop ending condition is evaluated on every iteration." ...

i can't get number...

Supra - 7 Apr 2005 3:46 PM - 2 messages

i can't get number to displaying in row..i got junk character .... Dim sdBrush3 As SolidBrush = New SolidBrush(Color.Black) Dim myFont3 As Font = New Font(familyName:="Verdana", emSize:=30, style:=FontStyle.Bold, unit:=GraphicsUnit.Pixel) ...

How to use Regex to Parse this String

Michael D Murphy - 7 Apr 2005 3:39 PM - 4 messages

Hi, I would like to know how to use Regular Expressions to iteratively return and print the items between the colons in the following string to say the console.. Any help would be appreciated. strInputString = "2:Blue:Green:1,2" ...

Optimization

SirPyros - 7 Apr 2005 3:15 PM - 2 messages

I'm building a shopping cart solution. In terms of scalability and perfomance for the server, which is better, only storing a small variable in session state to denote a cart and load information from the database and calculate values for the cart every time they need to ...

Update for VS .NET 2003?

Atley - 7 Apr 2005 2:48 PM - 6 messages

I only have: Microsoft Excel 5.0 Object Library (VB.net) and Microsoft Excel 11.0 Object Library (Office 2003) avaliable to me... is there a service pack or an update that would give me the 8.0 OL? that would be ideal. ...

DataReader in Excel (Better Post than the last)

brix_zx2 - 7 Apr 2005 2:41 PM - 4 messages

I have an Excel Spreadsheet I want to import the records (5 fields) into an access 2000 DB. Went on the net looking and found stuff for SQL (which I don't know a thing about) and now I'm confused. (Using VB.NET 2k3) Any help ...

Remove items from listbox

Bill Nguyen - 7 Apr 2005 2:18 PM - 4 messages

I use the following example (from another post) and it seemed to work fine. However, when I add the syntax to remove the selected item from the senderbox, I got error. senderBox.Items.RemoveAt(senderbox.selectedIndex) I was told that I need to copy selecteditems to an array and run the For ...

Compiler errors due to temp file inconsistencies ??

Samuel R. Neff - 7 Apr 2005 2:09 PM - 3 messages

Within the past few weeks we've been getting a lot of compiler errors in two classes when no errors actually exist. The error always reports as Name '_stepResizeRelocator' is not declared. Where _stepResizeRelocator is an instance (class level) variable. ...

WEB pages - source code

Peter - 7 Apr 2005 2:07 PM - 2 messages

Hi. Know anybody some good webpages where can I find some goog Source codes. I know [link] [link] and [link] Some another? Thanks. ...

Date validation / verification

DSuss - 7 Apr 2005 1:47 PM - 2 messages

I am trying to create an input box in vb.net that will verify if an expiration date on a credit card is valid or not. Can anyone help me convert a string of MM/YY to a month and year format and verify against NOW( )? Or ...

expand a node of a treeview programmatically

Sam - 7 Apr 2005 1:31 PM - 4 messages

Hi, I'd like to select a node in my code and expand that node. How can I do the selection ? How can I expand it once I've selected the node ? Thx ...

How to get assembly file info?

Brett - 7 Apr 2005 1:16 PM - 2 messages

Using Reflector, URL:[link], I see in System.Reflection there is a class called AssemblyTitleAttribute. It has a read only property named Title. I do the following to get my ...

cast sortedlist value as hashtable

fizzy - 7 Apr 2005 12:36 PM - 3 messages

i have a sortedlist. its values are hashtables. i need to access one of these hashtables: using option strict without a cast, i got a late binding error : mysortedlist("key") when i try to cast it: directcast(mysortedlist("key"), "hashtable") or ...

Prevent User Entering New Values in ComboBox

Wayne Wengert - 7 Apr 2005 12:36 PM - 3 messages

I want to prevent the user from keying in a new value as a combo box value. I want the user restricted to choosing selections from the "Collection" I've established. I can't find the property to accomplish this? ...

Object reference not set to an instance of an object.

Hennie - 7 Apr 2005 11:39 AM - 3 messages

I Get the following error all of a sudden: I do not know what is wrong or where to start looking. I added the Debug="true" directive at the top of the page, but it does not help at all. ...

getting row index of dataset

Sam - 7 Apr 2005 11:08 AM - 9 messages

Hi, Here is my code : For Each row As DataRow In ds.Tables(0).Rows next How can I get the index of the row being processed ? Thx ...

Howto: use mutliple languages C++ in VB.net

SimonSX - 7 Apr 2005 10:54 AM - 12 messages

I need to program some of a VB .net application in C++. How do I incorparate it into VB ...

Carriage return in label

Nathan - 7 Apr 2005 10:35 AM - 5 messages

Is there a way to put a carriage return between tex in a label? Neither ControlChars.CR and vbCR seem to work. Thanks, Nathan ...

Is synclock needed in DLL?

Brett - 7 Apr 2005 10:28 AM - 10 messages

Say I have a DLL with a method that does a file write. I call this DLL from an application and pass the file path and name to the FileWrite() method inside the DLL. The application is multi threaded so that two or more ...

vb.net crosshair cursor...

Pj - 7 Apr 2005 10:13 AM - 2 messages

hi, i have the following code for drawing a crosshair cursor & it works: 'Custom cursor 'Declare bitmap Dim bm As New Bitmap(64, 64) ...

How to remove if blank in Detail in Crystal Report

Ray - 7 Apr 2005 10:02 AM - 3 messages

Dear all, I would like to ask if the crystal Report can remove if blank in Detail just like Report in Foxpro? Thanks a lot, Ray ...

translation from c#

ME - 7 Apr 2005 9:24 AM - 9 messages

Hello, I need some help translating this code to vb.net .......... private dotnetWinpCap.ReceivePacket rcvPack=null; .......... if (rcvPack==null) { rcvPack=new dotnetWinpCap.ReceivePacket(this.ReceivePacket); wpcap.OnReceivePacket+=rcvPack; } Thanks for the help. ...

2 easy questions

patang - 7 Apr 2005 7:57 AM - 12 messages

Question 1 I have two forms, let say Form1 and Form2. There is datetimepicker control on Form2. In the Load Event of Form2 I have set the default value of datetimepicker control to NOW. So as expected when I open the form the ...

How to convert hex to string?

Mika M - 7 Apr 2005 7:56 AM - 8 messages

Hi! I've made little code to convert string into hex string... Public ReadOnly Property ToHexString(ByVal text As String) As String Get Dim arrBytes As Integer() = CharsToBytes(text) Dim sb As StringBuilder = New StringBuilder ...

Difference between Trim function and Trim member

Sascha Herpers - 7 Apr 2005 6:51 AM - 9 messages

Hi, what is the difference between the trim function and the trim String-member? As far as I see it, both return the trimmed string and leave the original string unaltered. Is any of the two faster? Is there a general rule/opinion to prefere ...

Help Please

Tuan - 7 Apr 2005 6:29 AM - 4 messages

Hello all, I am a new to VB. I already write the small program but it only work when I log in as administrator if I log in as user the program will not load. I see some program when I install it asks " Any One who uses this computer or ...

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