I have three classes named: Action, Link, LinkCollection. Action class represents a row in table called Actions. Link class represents a row in table called Links. The Action table is the parent and the Links table is the child. The LinkCollection class contains a HashTable collection of Lin...more >>

我用LISTVIEW控件的时候，&= #24819;限制用户对控件列&#= 22823;小的调节 但是找遍了LISTVIEW的属性&= #65292;没有实&...more >>

Hi All, When we give a .NET exe to client, what comlier options we should change to give it as a Release Build? I know about setting the output as release build (Configuration Manager) but confused about enabling JIT option. It is necessery to turn it on? Please help, Thanks ...more >>

I'm now using VB.NET to write a POS which it need to drive the epson thermal printer. I have no problem to use the printer by using "PrintDocument" onject provided by Vb.NET. But I think the speed for print is too slow, anyone know how I can speed it up?? P.S. I know if I directly output some ...more >>

Hello, I am just now converting from the world of DOS. Making simple VB.NET apps was easier than I expected. Now I need some control over the window that the app is running in. Can a VB.NET application run some code when its window is closed/ minimized / restored /maximized / moved / resize...more >>

Hi.. I have 2 datasets, each with a DataTable. Each table has the same primary key, and columns. I am trying to copy rows from one dataset to another, based on an event from my application. It all works fine when the row is not present in the destination DataTable. Now when the row ...more >>

I have a multiline textbox and want to be able to allow the user to position the cursor in a line of the textbox, then click on a Remove button to remove the line which the cursor is on. Thing is, i would need to know how to find the line the cursor is on. I can deleted the selected text, but ...more >>

Hi, I have already asked the question, but probably did not make myself clear. Back in VB6 days when you created a public method/property/event you could define what's called "Procedure Attributes", one of them was a Description attribute. Once you define it, it would appear in the O...more >>

Does anybody have any idea why my version of VS.Net doesn't accept the following syntax? For Each f As FileInfo In d.GetFiles() sz += f.Length Next f I always have to explicitly declare the variable as follows: Dim f As FileInfo For Each f I...more >>

How would I display a messagebox in a VB.NET program? ...more >>

Hi all, How do I add the .netframe work redistributed in my set up project. so that my set up will work smoothly. I have tried including it, but gave me error. Please help me this is urgent. Kishor ...more >>

Hello... How come I cant see the Cab File icon in Setup and Deployment Projects Templates? is this because I only have VB.net Standard? or is there something I have to activate? Thanks, Gary ...more >>

Hello I need a tool to design a class schema and relationship between multiple classes Thanks, Crirus ...more >>

I have a simple app that logs details of my customers and the work done for them. It uses a few tables in Access and allows me to keep a basic record of things for my accountant. How can I output the billing info from my app to the Word doc or maybe Excel spreadsheet? I can gather all the info...more >>

I'm a new visual basic learner, I need some help with this program below: create an application that either sums or averagethe rows or columns of a two dimensional array depending on user choices. create a menu bar with a file that includes a perform action command and an exit command. ...more >>

I'm a new visual basic learner, I need some help with this program below: create an application that either sums or averagethe rows or columns of a two dimensional array depending on user choices. create a menu bar with a file that includes a perform action command and an exit command. ...more >>

This is a few week old post, which I never got a reply to, so I am reposting it. ------------------------------------------------------------------- when debugging an application, the following code always returns a line number of zero > > Dim CurrentStack As System.Diagnostics.StackTra...more >>

I want to add a fresh column to a datagrid that is bound to a datasource i want it to be the first column on the datagrid so that i can number each row 1,2,3,4.... etc. (but i have no need to store this within my database) how do i add an empty column? Thanks Mike Fellows ...more >>

I'd like to be able to print my form or some controls on it. I have found lots of references for this but they all talk about printing a text document from a form. Any help will be appreciated Dino -- ------------------------------------------------------------------------- FIGHT BA...more >>

I am developing an application that will allow the user to create thier own forms by dragging and dropping controls on the form and assigning it a title (for control header) and a data type that control will hold (e.g. string, number, date). These are the only tree types required. The form can ...more >>

Hi, I have an app with three forms. a) Master form. It has a grid with a list of contact names on it. b) Contact form. This form is where you can edit/create a new contact c) address form. This form is a popup launch from the contact form to enter the contacts address. I have created a b...more >>

Hi How can I copy some text to the clipboard so it can be pasted into other apps? Thanks Regards ...more >>

Hi, I can't for the life of me remeber how to do this (mental block I guess). But how do I put the text from textbox_1 at the top of textbox_2 also retaining textbox_2's text any help is appreciated. Brian ...more >>

Hi In VB6 I could use the 'WNetUseConnection' API to map a remote disk. This API needs a forms.Hwnd to work. How can I map a remote disk from a .NET service? Regards Odd A. Haugum ...more >>

In VB6 it seemed as though bound controls (textboxes, etc) were kind of the newbie way to do things, but were generally not good coding practice. Is this something that is different with ..NET? With the new data access methods is this the general way to display data? It seems easier, but I gue...more >>

In VB6 I use this code: Public Island() as MapPoint Type MapPoint GridEast as Single GridNorth as Single End Type How do I do this in VB.NET? ...more >>

Hi, I have 10 yrs development experience. No VB, but lots of C++, Delphi, and Database. What would be the best book for me to learn VB.Net? I don't have the time or the money to get and study more than one. Thank You, Scott Metzger ...more >>

Hi I'm creating a .NET service. I want to read settings from a txt file placed in the same folder as the exe file. The file has the same name as the exe file. In VB6 I used app.path to find the path. In .Net I can use 'application.startupPath'. But when I create a service, I cant use th...more >>

i have a simple app. just to show some tasks from a db. how much memory it would have to use? Now it's using close to 19Mb... it isn't too much? thank's -- _____________________________________________ Daniel Sélen Secches ICQ 961630 ...more >>

After changing a property in an object added to a listbox, how can I get the listbox to recall the ToString method and display current values? Example: Private Sub AddToList Dim MyObject as New MyClass ' Set property values Lisbox.Items.Add(MyObject) End Sub Private Sub UpdateObject ...more >>

Hello, I need to know how to format Integer and Real with the datagrid. In fact, I want to use the right alignment. When I use this option the header text comes with the right alignment too. :( Another question with datagrid, is there a way to have "blank lines". I mean I would like to have ...more >>

Is it possible to check for a port (such as port 8000) in use using VB .NET? If so, is there any sample code around. Thanks in advance. Scott ...more >>

I am trying to name my submenus (MainMenu control) and they show up in the menu dropdown...like they are O.K., but when I check my controls the names are still "MenuItemX". OTOH, the top-level menu items renamed just fine. What might I be doing wrong? TIA, Larry Woods ...more >>

I can use the windows "run" with the following command: "C:\Program Files\SAS Institute\SAS\V8\sas.exe" - sysin "c:\filetest\sas programs\spiroread.sas" -sysparm c:\filetest\0254140.csv where sas.exe is the application, the -sysin argument is the SAS program to run, and the -sysparm argum...more >>

I would like to acheive the following VB6 code in VB.NET Code in the Form1 - Button1_Click Dim obj1 as new form2 obj1.Prop = myprop obj1.show unload me ...more >>

Consider this code: Public I As New NotifyIcon Public mnuPopUp As New ContextMenu Public WithEvents mnuSetari As New MenuItem Public WithEvents mnuExit As New MenuItem Sub Main() mnuSetari.Index =3D 0 mnuSetari.Text =3D "SETARI" mnuExit.Index =3D 0 mnuExit.Text =3D "Exit" ...more >>

Hi guy's just a quick question I have to redirect a request....ex. A------>B------>C and the other way A------>B------>C meaning that B have to control the communication between A and C. (C is a secure server, that is only accepting request from B) A normal Response.Redirect("xxxx....more >>

Hello, I have a access application that resides locally on users desk, I am writing a VB.Net interface that let's the users pull data down from a SQL server database and populate the local access database with that data, I need to check the local access database to see if there is already ...more >>

I have a form where I fetch some data in an accessdatabase. I would like to present the result as 2 sets of data (I'm a newbie so I don't really know how to express what I'm really looking for so bear with me). One set should be sorted by "ordernumber" and the order set should be sorted by "date"...more >>

I'm trying to install VS .Net, particularly the VB elements, but no matter what i select, i get an error at the end of the process simply saying that an error occurred. The installlog.txt file contains these lines; [11/03/03,12:50:13] Visual Studio .NET Enterprise Architect - English: ***ER...more >>

There is some ready-to-work class for using CRC over a stream? --------------- Thanks, Rafael Pivato ...more >>

How can I implement set operations in VB.NET. For example, {1,2,3,4} union {3,4,5,6} = {1,2,3,4,5,6} {1,2,3,4} minus {0,3} = {1,2,4} {1,2,3,4,5,6,7} intersect {0,2,7} = {2,7} Bill...more >>

I've been reading a number of postings on .Net that indicate that there is no OLE Container control for .Net applications. Has anyone successfully converted a VB6 or MS Access 2000/2002 app that used OLE Controls to hold links to files? If so how did you get around the no OLE Control limitatio...more >>

In certain applications I have (vb.net 2003), when I catch an exception and print the toString (or stacktrace), it does NOT show the line number. However, other simple apps I have it does show the line number. How can I get it to always show the line number. How/why is it not always sho...more >>

I thought the post were not accepted *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

I've heard that you could program a service to Manage File folders, etc. My problem is that I have to monitor files in a folder and when locks are released from them by users, move them to another folder. I heard from a colleague that Microsoft had a class that could do something simil...more >>

Does anyone know how I can trap and respond to the RegNotifyChangeKeyValue event in VB.NET? Thanks, ...more >>

What is the best way to find the size of a folder (actually it's contents) on a disk? ...more >>

Hi, actually I have a childform, which runs a self-written script interpreter (runs aprox. 1 min). I want to create more child-forms and I want to have the interpreters run parallel. Right now only the interpreter of the last created form is running until it is finished and then the othe...more >>

I have a connection on form1 of my project. who can i use it from another form displayed as showdialog? i've just tried do that... formMain has the connection named as conn from form2 Private Sub form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Lo...more >>

Hello, All! Does anybody knows how to open a window of browser (ex IE 6.0) in modal mode (or "simirly" to modal)? Early, in classical ASP, using VBScript, I could write: <SCRIPT language="vbscript"> call window.open("MyForm.aspx","replace","channelmode=1,directories=0, fullscreen=1,location=0,...more >>

Hi, actually I have a childform, which runs a self-written script interpreter (runs aprox. 1 min). I want to create more child-forms and I want to have the interpreters run parallel. Right now only the interpreter of the last created form is running until it is finished and then the other on...more >>

I had a brain storm Friday night after leaving the office. Figures, the ride home is usually the best time for good ideas. I moved my first four sub reports and additional report day into Report Header sections, five in all. I moved the last sub report into the body of the main reoport doing...more >>

Last week there was a rather long exchange on this newsgroup titled Why this no work" I will delineate the solution below. It is simple. I don't know why someone else didn't suggest it. Oh well <g>. Instead of trying to update the field in the usual way you have to update the datatable inste...more >>

Lets say I have a winform that is populated with a dataset. The dataset and data table may have several rows in it. Lets say I am looking at the winform and I want to assign a value to a certain column in the associated datatable. Lets say there are 10 rows in the table and I am on row 5, and ...more >>

Hi, I need draw a image in memory with the method Like drawrectange,drawstring, ecc.. next i want put this image in a form Graphics. thanks ...more >>

I cannot set the tab array for the Rich Text Box control. After I have text in the control, I try the following where rtb is the name of the rich text box control: rtb.selectall() Redim rtb.SelectionTabs(5) 'to set 5 tabs rtb.SelectionTabs(0) = 100 'pixels rtb.SelectionTabs(1) = 200 ...more >>

Why am I able to use this in Outlook and not do the same from .Net. My problems centers around the Items in the xp version of below i used the interop references. Does something similar exist for 2000? 'this works fine in ol 2000 Dim item As Object Dim items As Outlook.items Dim...more >>

I have a dataset on my form which includes several tables. Whenever I make changes to the xsd file, the dataset component is removed from my form and I get the following error : Type 'Project.dsDataEntry' is not defined. The component still seems to exist in my code, but not on my form. W...more >>

Hello, I have a application which could create 1 to 5 mdi-child-forms. Each childform should have it`s own thread - like a chat-application. How can I do this? Bye Mike...more >>

Greetings, I have this problem with any image, in any format, I include in ToolBar Control. Those images are in-house developed. The problem is when I include an image in a ToolBar and have its Enabled property set to False, at runtime, the image just disappears, leaving a square grayed area ...more >>

Can someone recommend a good VB.NET book for a programmer who is not new to programming but new to .NET? Thank you very much....more >>

Does anyone have any ideas how to open a new web browser window in .NET? I'm using ASP.NET with VB as the code behind, and after some validation code may need to open a second browser window. Any help gratefully received. Cheers Stu....more >>

I HAVE A ROOT TREEVIEW NAME=ROOT THEN A CHILD ROOT CHILD AND THEN A CHILD OF ROOT CHILD=CHILDOFROOTCHILD *ROOT **ROOTCHILD ***CHILDOFROOTCHILD WHEN I CLICK THE TREE NODES AND SELECT CHILDOFROOTCHILD IS THERE ANY CODE OF FINDING LIKE OR LOOK LIKE THIS ROOT/ROOTCHILD/CHILDOFROOTCHILD...more >>

Hi, Just starting out with VB.NET. Got a treeview control which lists drives/folders. Managed to write code to dynamically add folder and show it, but now I want to select this folder, so the user doesn't have to do it. Something like: treeview1.nodes(i).select would be good but it ...more >>

HOW TO TURN $6 INTO $6,000!!!!!! READING THIS COULD CHANGE YOUR LIFE! PLEASE READ ALL! I found this on a bulletin board and decided to try it. A little while back, I was browsing through newsgroups, just like you are now, and came across an article similar to this that said you could make ...more >>

I have been handed this code to use in my app. If (dataTable Is Nothing) Then Exit Sub End If If (colStyle Is Nothing) Then Exit Sub End If I would prefer: Dim blnContinue As Boolean = True If (dataTable Is Nothing) Then blnContinue = False End If If (colStyle Is Nothing...more >>

Is there any (reasonable) way to use a single set of source files for both VB .NET 2002 and VB .NET 2003. I'd sure like to do coding changes in only one place, but I seem to need a separate directory for each VB .NET version. -- http://www.standards.com/; See Howard Kaikow's web site. ...more >>

Hi I have opened a dialog (form) from within a form using the ShowDialog(). How can I now access methods in the parent form, from this dialog? Thanks Regards ...more >>

Hi, Can I enforce Return key to behave like a TabKey ? I am using the following KeyPress down event for my control: Private Sub Navigate(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Try Select Case e.KeyChar Case vbCrLf ...more >>

I have the following code in a VB .NET program (version 2003): 'begin code Sub Main() Dim check_timer As System.Timers.Timer While Not (check_timer Is Nothing) 'doing nothing ... End While End Sub 'end code When I run the .exe file(the actual program) my processor usage ...more >>

Hi, When I create a dll in VB6 I normally define description to every method, so that it could be seen in the Object Browser (by user/developer). I strongly beleive that this is still possible to do in .Net - I just cannot seem to find how... Could someone please help?.....more >>