I have 2 listboxes on a Web Form. As I move an item from 1 to the other it shows up at the end of the list. How can I sort the list that just got the new item added to it so it is in alphabetical order? -- Joe Fallon ...more >>

i have an array of bytes which i write to a binary file seems to me the only way is to write one element at a time, which takes *forever is there a way to write the entire array to the binary file without looping something like binarywriter.writeEntireArray(arrayOfBytes would be perfect! ...more >>

I had tried OLEDB (IBMDA400) with .net for Transactions. Transactions are not supported at all with OLEDB and AS400. Now I am trying ODBC.NET for transaction. Rollback does not work with ODBC.NE Can anybody help? If Transactions are not supported also in ODBC.NET , how to lock records and execute ...more >>

Q1. In ADO we have RecordCount Property of the RecordSet object. In ADO.net what is the Replacement of RecordCount property? Q2. How to create Hotkey in Tabcontrol of Visual basic.net. Q3. If code is written in the control's validate event and next control's causes validation is False.Now if...more >>

Does anyone know any good places for information on sockets programming using VB.NET. I know VB.NET fairly well, but I know very little about sockets. Thanks. ...more >>

What is considered the best or most appropriate to terminate a VB.Net application? Application.Exit? End? ...more >>

Could anyone shows me a simple example of nested exceptions handling on vb.net? Or any articles that explains this concept, since I am getting difficulties to see when/how to use nested exceptions. Regards, Chris Leffer *** Sent via Developersdex http://www.developersdex.com *** Don't...more >>

I am formatting a bound grid. No problem there, does what I expect it to. However, if I click on it a certain number of times, or in a certain sequence, the program crashes. I can't capture the event. If I put a breakpoint on the Grid Click event, the crash occurs BEFORE it even hits that. O...more >>

Here's an easy one, I'm sure. In VB6 I would do MousePointer = vbHourGlass. How do I do this in .Net? ...more >>

Dim conn As New SqlConnection conn.ConnectionString = "Password=angiep;Persist Security Info=True;User ID=trint;Initial Catalog=tribidz;Data Source=TRINITY" Dim cmd As New SqlCommand With cmd .Connection = conn End With ...more >>

Does VB .NET or the framework include a function/method that correctly identifies the following as not being numeric? 3,6 3,,6 Assuming the decimal mark is Full Stop. And, if the decimal mark is COMMA: 3.6 and 3..6 would be invalid -- http://www.standards.com/; See Howard Kaikow's...more >>

I want to make a page that automatically refreshes every minute. I can drag the timer control onto my page but I can't figure out what code to write to tell the page to postback to the server. How do I do this? TIA...more >>

Hi all, How can I delete or cancel all the jobs on a printer?? Printer.KillDoc only deletes the current document being printed. And this may be a dumb question to ask... I suspect that I can somehow use the EnumJobs to cancel each job one by one but I don't really understand how to work with ...more >>

Hi, guys Dim myAL As New ArrayList() myAL.Add("Monday") myAL.Add("Tuesday") myAL.Add("Thursday") I want to check whether the first 3rd letters of myAL contains "Thu". Is there an existing function I missed, as myAL.Contains("Thu") returns me false? Thank...more >>

Hello, There are quite a few ways to convert one object, say an integer to a string. Dim myStr as string dim myInt as integer = 123 myStr = cstr(myInt) myStr = myInt.toString() myStr = CType(myInt, String) or use DirectCast() What is the preferred, fastest way? Any way I shouldn't ...more >>

How do I determine if the user has pressed the tab key? The Keypress and Keydown events fire for other keys, but not the tab....more >>

Hello Can anyone offer some information or resouces on how to push application updates and patches to users? Currently all users are within an internal office network. I'd like to make the process of rolling out changes easier. Thanks for any pointers....more >>

Hi all, I'm trying to create a class which handles FTP. Knowing little of classes I'm having some trouble making things work. Also having trouble finding the meaning of some error-codes. The code below results in a lastdllerror 6 (and no transfer)... can't find what this error means and how to s...more >>

I have read several interesting posts on passing structures to C dlls, but none seem to cover the following case. The structure (as seen in C) is as follows: typedef struct tag_scanparm { short cmd; short fdc; WORD dsf; short boxcar; ...more >>

I am having a small problem using old ADO in VB.NET (i am maintaing old code so i cant change it back to ADO.NET) i am trying to create ADODB.Parameters and then pass them to ADODB.Command and it seems to fail every time I have referenced the adodb.dll in PIA to use the old ado., and i am using ...more >>

Somebody a while ago had told me how to compile a project as a dll file (instead of an exe) using Visual Studio Standard edition. I remember that I had to modify a text file but I cannot recall what the name of the text file is. Thank you for any help. Brad ...more >>

Is there an easy way to close one form when another opens? Thanks for the information. Brad ...more >>

Hey guys I need a code that will allow the user to email to multiple recipients (using MS Oulook and Outlook Express) as well as allow the user to attach files (attachments) .. NEED CODE PLEASE THANX IN ADVANCE...more >>

I am fairly new to VB.NET, and I am rewriting an application I wrote a while back, also in VB.NET. I aplied some new things I learned. Anyway, here is my problem....... I have a custom DataGrid with a buttonRow that does a delete function for me. Microsoft support helped me back then to get th...more >>

I am writing a library in .net that will be used by VB6 clients. I initially wrote the library, generated a strong key (via sn –k mykey.snk), added it to AssemblyInfo.vb class (via <Assembly: AssemblyKeyFile("c:\tgol\phpclass\mykey.snk")> statement), registered assembly in the registry (...more >>

Hello, can anybody explain to me the difference between webclient and httpwebrequest objects? aren't they doing samething? I have a website, and I need to programmatically find out all the pages that the first page referes to, and then goto those pages and retrive some information. Does...more >>

Not sure who to ask about this so, I have an app that grabs data from flat file and populates a dataset with it. Then using update method of a DataAdapter I insert all that data in to the SQL Server table. I have a separate app, console app for now, that monitors queue table and starts my other...more >>

I'm trying to create a new table in word from a DataTable (sourceTable): objDoc.tables.Add(Range:=objDoc.Range, NumRows:=sourceTable.Rows.Count, NumColumns:=sourceTable.Columns.Count, DefaultTableBehavior:=1, AutoFitBehavior:=0) Where objDoc is a Word.Document. However I'm always given the e...more >>

I am new to .net but have user vb6 and in vb6 I got error messages on everythin (that war an error..) In .net I don't get errors when performin databare operations... the code just exits (like exit sub) Is there any way I could get the errormessages on this? Ex. the line RS23DataAdapter.Fill...more >>

Does anyone know how I can increase the number of threads that my executable file will create? Right now, it max's out at 13 or 14 and won't go higher than that, even when it's called for. I'm using a fileSystemWatcher component (it would be great if I could find something that works better th...more >>

All, Is it possible to get all of the current namespaces that are available through reflection? What I am trying to do is get back all of the namespaces, then classes within the namespaces, then methods/properties within the classes. I need each one separated - like VS.NET's intellisense. ...more >>

How i unload Assembly without work in separate AppDomain? Or, if i work in separate domain How i get and set object between two domain without declare serializable? thank ...more >>

Using VS 2003, VB.NET, MSDE If an event is raised in a class that was NOT instantiated with the WithEvents key word, is that event effectively ignored? Or, another way to phrase the question, for a class that raises events, can you sometimes instantiate using WithEvents when you want to catc...more >>

Hi, I need a SECURE way to copy parts of a file. I'm having files which contains a whole bunch of records. In one 'fysical' file I'm having one or more logical files. What I need to do is to copy a logical file (a part of the fysical file) into a new file. But the 'big' problem is: these re...more >>

Hi. I am using Application.ThreadException together with a sub to catch unhandled exceptions on one form. My application has 4 forms. Do I need to add an event handler for the Application.ThreadException for each one of my forms? Thanks, Robert Scheer...more >>

I have a vb 6 dll that uses a variant as one of its parameters. When I call it from vb.net executable, I get the following error: 'Variable uses an Automation type not supported by visual Basic'. I've tried casting the variable I pass to a generic object, but I still get the message How do I get a...more >>

Hi guys, I'm new to .net & i've got a problem with regards to datasets & data binding. Here goes, I've got a data grid & the active row (position) is the 3 row. Now, i take this data set, & pass it to a seperate form, where i want to be able to edit the details of this row. So, in the load ...more >>

Hi ppl, Quite often you get samples/examples in C# and not VB - I just found this translator so I'm posting the link here. It seems to do a pretty good job, you just paste in the C# to the top window and hit the translate button, getting the VB in the bottom window. I've used to to trans...more >>

I'm trying to use an embedded image(bitmap) using the following code: imgDrag = New System.Drawing.Bitmap(GetType(QueryResultGrid).Assembly.GetManifestResourceS tream("Comp.Tech.QueryResultGrid.ResultsGridDrag.bmp")) Where QueryResultGrid is the class thats going to use the image, Comp.Tech...more >>

could someone please discuss the pros and cons of CType(MyDouble,Decimal) versus Convert.ToDecimal(MyDouble) .... and other such conversions ... ...more >>

Hello all I am new to 2003 server and Active Directory, I want to put spaces in the usernames for the domain users. Now my question is will that create any problems in the future with anything like security or dot net programming or networking? Thanks for your help Rob. ...more >>

I want to get the icon from my application exe file dim myIcon as Icon = ... -> "myApplication.exe,0" how can I do that? ...more >>

Is it just me or is there no easy way to open an excel file, and get the column names that are usually in the 1st row? I would like to be able to do this for a import tool im writing in vb.net and c#. I need to be able to list what columns are available in the excel file, so the user can map the...more >>

Hi, I'm stuck, again... I have, finally, managed to fill a dataadapter and linked a dataset to a combo box, but, and maybe this is the problem, each time I run my code I fill the dataset with new records. Is there a way to empty the data adapter or shoult I rewrite my code? Ronny ...more >>

I have an application that reads from an access database on our network. I'm having a problem where the program can't find the database until the user tries to use the network. For example he will have to go to my computer and double click on the network drive before the program can find it. I'...more >>

I would like to upload file to some other computer over FTP every night. If it's not available, send email with error description. Does anybody has some example? Thank you, Simon ...more >>

I am loading up a combobox with data from an access database. The field I am loading is a date/time datatype. The data in the field is a short date(ex. 01/22/2004). When I load the combobox with the data it appears correct. When I click on the dropdown arrow of the combobox, all of the entries have...more >>

Hi all, In my VB.NET code below, I try to change the user name in my arraylist from Ted to Bob, but instead it adds a new user to the arraylist named Bob. Can anyone explain why this happens and how I might modify a structure in an arraylist without having to completely remove it and re-add th...more >>

I have a Panel control that I currently allow the user to drag and reposition on a form at runtime. This Panel control contains a Label control. I would like to allow the user to drag the PANEL by clicking on the LABEL and dragging. Is there a way to do this? ...more >>

I've got a new problem (making progress on my GetFiles problem). I have a need to keep a large number of entries in a SortedList. My challenge is that there are duplicate entries in the key. That's OK for my application, but not for a Sorted list. Any thoughts? Thanks, Tom ...more >>

I have the following problem. I want to make a program that causes a MOUSE CLICK every 2 sec at a flash project that is open with Microsoft Internet Explorer. I have heard something about using the SendMessage method but I can't get it to work. I use VB .NET. Any help would pe appriciate THANKS!...more >>

Dear All, I have spend a number of hours attempting to find some answers about how to remove the 3D BorderStyle within a combobox and have come to the conclusion that the simplest method is to create a user control and hide the borders using some panels. This however is not the most efficie...more >>

I am about to purchase vb.net 2003 and would like to know whether this allows u the facility to create activex dll files like the one in vb6. What am trying to do is to hav vb forms in dll and call them from access(vba). ur views will be most welcomed. thanks Farouq...more >>

Hello I finally found out why context menus don't show in form.controls its a component! I did a google search and someone sugested to use the site property. The followoing code : Public Sub teste(ByVal f As Form) Dim a As New System.ComponentModel.Component Mess...more >>

what's the full class hierarchy for the CultureInfo object in effect by default ? ...more >>

Hallo, I am in need of a replacement for the Microsoft Visual Studio .NET. The reason is quiet simple. I develop forms which are used on different microsoft windows platform, and one microsoft windows platform spoils the other microsoft windows platform. For example: I have two projects, o...more >>

i thought the following would work for currency {0:$000,000,000.00} but it is displaying ( for example ) : $000,025,368.87 i don't want the extra zeros ... ...more >>

GetScrollInfo works but I can not get setScrollInfo to wrok, it reports Error 6 (Bad Handle). I use the same handle in GetScrollInfo as SetScrollInfo, any ideas? Const SBS_HORZ = 0 Const SBS_VERT = 1 Const SIF_RANGE = 1 Const SIF_PAGE = 2 Const SIF_POS = 4 Const SIF_DISABLENOSCROLL = 8 C...more >>