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 follow...subsequently...all bytels are send??...more >>

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. I also have the timer on this form set for 2 second intervals. However, the timer constantly fires. I use to have...more >>

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 can I get the list of that... Thanks in advance... -- Pe...more >>

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 ...more >>

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? Thanks, Brett ...more >>

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 ...more >>

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' occurred....additional information: Object reference not set to ...more >>

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 ...more >>

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) But in VB...more >>

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 (http://www.dotnet247.com/) <Id>...more >>

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 ...more >>

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 StoreEntryID = Namespace.Folders.Item(OutlookRoot).StoreID Set Outlook...more >>

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 14822282. This value will then be read when a user opens his input f...more >>

I have a primary user who does NOT have ms Excel=2E He runs MS= Works and uses the spreadsheet program within it=2E My vb=2Enet 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=2E I can...more >>

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, Michael Murphy ...more >>

Hi. Know anybody some good webpages where can I find some goog Source codes. I know www.planet-source-code.com www.windowsforms.com and www.codeproject.com. Some another? Thanks. ...more >>

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, o...more >>

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? TIA. Jeffrey. ...more >>

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. The second way (the way I want to do it) does not work...it saves it...but I can't read the image when...more >>

I have a user control that functions like a combo box. The problem I have with it is when I go to getChanges from the datatable it always reports rows as being changed. I bind to this SelectedValue by me.DataBindings.Add(New Binding("SelectedValue", dataset, "tablename.fieldname")) . What i...more >>

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. What can the problem be? This is the complet error message: Server Error in '/MailListManager' Applicati...more >>

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 user can access easily. How can I make all users navigate onl...more >>

Hi All, I need a few suggestions. I have the following XML segment: <LookUp> <ControlType>CheckBoxGroup</ControlType> <DBField>LastMedDate</DBField> <ControlName>cmbGoal1</ControlName> <Values VALUE="0" BookMark="Goal1Progress"/> <Values VALUE="1" BookMark="Goal1NoProgress"/> <Values V...more >>

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

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) For i = 1 To 10 For j =...more >>

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" Regards, Michael Murphy ...more >>

Ok, basically this is my problem=2E I'm building a console app to= call a dos program=2E 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=2E I'm just missing the steps= here=2E I know that I can set th...more >>

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? ...more >>

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. ...more >>

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 For i As Integer = 0 To arrBytes.Length - 1...more >>

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 the compiler keeps...more >>

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. I have Visual Studio .net 2003 Enterprise Arch. Thanks for the fee...more >>

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 sysnopsis of the page based on the variable provided at page load time. Any thoughts? ...more >>

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. There is no compiler error on the...more >>

Hi, I guess I didn't understand properly how ImageIndex works for treeview Hereis my code: For iCntr As Integer = 0 To rNodeList.Count - 1 If Not (rNodeListNew.Contains(rNodeList.Item(iCntr))) Then tvRelations.Nodes(iCntr).ImageIndex = 0 End If Next I've got an image...more >>

Hello - I've got a project where I need to create a table like: | text1 | text 2 | dropdownlist | text input box | 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 you use a dropdownl...more >>

Using Reflector, URL:http://www.aisto.com/roeder/dotnet/Download.aspx?File=Reflector.zip, 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 application name. Private Sub Form1_Load(ByVal sende...more >>

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 error, please? Sqlconnection1 was dragged and dropped on the the design wind...more >>

In an article I was reading (http://www.ftponline.com/vsm/2005_06/magazine/columns/desktopdeveloper/), 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." Is this accurate? I do...more >>

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 be shown, or save item i...more >>

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 would be appreciated. Here is the code I have.... It doesn't work ...more >>

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 ...more >>

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 does anyone have another suggestion how to accomplish this? Thanks,...more >>

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? Wayne ...more >>

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 ...more >>

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 for myself only." I would appreciate so much if any of...more >>

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 threads may be trying to write to the file at once. If one thread is w...more >>

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 ctype(mysortedlist("key"),"hashtable"...more >>

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

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 ...more >>

hi, i have the following code for drawing a crosshair cursor & it works: 'Custom cursor 'Declare bitmap Dim bm As New Bitmap(64, 64) 'Declare graphics Dim g As Graphics = Graphics.FromImage(bm) 'Clear the graphics g.Clear(Color.Tran...more >>

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 default value is set to today's date. Now I sometimes also call Fo...more >>

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, ... I tried For i = 0 To Packethdr.Caplength - 1 ch = Syste...more >>

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? Please, help....more >>