Hi wondering if someone could give me a example of how a hospital can be setup in a n-tier environment? Thanks...more >>

Getting the former. Not the latter. As some of you may know (Terry...btw thanks for all your help), I have been battling a Crystal Reports problem. I have recently made the discovery that my "Current Connections" or ADO.NET options for the database expert in CR are not working with my pro...more >>

How to get the length of this regex: ((.|\n)*?)...more >>

I am using VB.NET 2005. When I try to delete a folder that has files underneath it, it gave me "the directory is not empty" error. f = New IO.DirectoryInfo("C:\myfolder") If f.Exists Then f.Delete() --> error "the directory is not empty" End If How can I delete a folder with files u...more >>

I am trying to display some data that I received into a form. The form is in english. The data is in cyrillic (russian) which uses codepage 1251. I am trying to change the button text to russian. For example: cmdCancel.Text =3D "=CE=F2=EC=E5=ED=E8=F2=FC" Those are garbage characters whi...more >>

Hi all, ... is there any way to use the new CompilerServices Extension attribute with class *Properties*? Internally properties are just implemented as a pair of functions (get/set), aren't they? So shouldn't it be possible to create Extension Properties? Thanks in advance, - Arthur Dent....more >>

Hi everybody, I am building an application that needs to alternatively connect to either SQL Server (2000) or a local Access backend. That is, if users are connected to the LAN, they may use data from the SQL Server, but when they're out in the field, they'll use the Access backend on their lo...more >>

I have an application that can read an Excel spreadsheet on a computer that doesn't have Excel installed on using the Jet ODBC 4.0 driver. I know need to modify the application to also be able to create a new Excel spreadsheet and write data to it on the same computer, a computer that does not...more >>

Hello every one.. Im having problems to send a command to Windows - Run... I want to send a command to Windows - Run to the people only have to press the Enter Key... The text that i want to send to Windows - Run is like this -> B: \setup.exe +uAEKLX +pc:\TEAMSTM I can do it but if i use m...more >>

Hello can someone explain me? >? cdbl(7.5)-cdbl(7.2) 0.29999999999999982 >? (cdbl(7.5)-cdbl(7.2))=0.3 False >? (cdbl(7.5)-cdbl(7.2))=cdbl(0.3) False >...more >>

Hi all, I am using Datagrid control in VB.Net 2003. Now I have a problem like this, when user changed the value in a cell in datagrid, I want all the values in the same column below the current row changed to the new value. How can I do this? I use currentcellchaged event like below: P...more >>

Hello, I was working on a project that a combobox reads each line from a text file using this code: Dim reader As String reader = My.Computer.FileSystem.ReadAllText("history.txt") Dim strs() As String strs = Split(reader, Environment.NewLine) For Each s As String In strs combobox1.It...more >>

When I rename one form from A to B , it helps me to change all the related form A into B automically How Can i disable it?? Thanks ...more >>

How to suspend a process like Process Explorer? thank you. ...more >>

Hi, who can help me to solve this error: When running EVERYTHING works fine only when i reactivate the computer after hybernated mode I get this error: Jan Zie het einde van dit bericht voor meer informatie over het aanroepen van JIT-foutopsporing (Just In Time) in plaats van dit dial...more >>

Suppose I have a self referencing table of categories: ID CatName ParentID I create a Dataset, and a parent-child relationship, so the result looks something like this Cat1 SubCat1 SubCat2 SSubCat1 SSubCat2 SubCat3 Cat2 SubCat1 SubCat2 etc....more >>

I am doing: My.Computer.Network.Ping("192.168.0.1", 2000) I often (but not always) get the following error: System.Net.NetworkInformation.PingException: An exception occurred during a Ping request. ---> System.AccessViolationException: Attempted to read or write protected memory. This is ...more >>

Hi I have an access backend database to which I need to give a vb.net front end. I created db connection and data source in vs 2008., I then dragged the fields onto a form which created the app for me. The app works ok but my question is; is this the correct/acceptable way to cerate an app or ...more >>

Hi I have an access backend database to which I need to give a vb.net front end. I created db connection and data source in vs 2008., I then dragged the fields onto a form which created the app for me. The app works ok but my question is; is this the correct/acceptable way to cerate an app ...more >>

I have a class, MerchantList, which has a property, Merchants which is a List(Of Merchant). I am trying to figure out how to "replace" one of the Merchant objects in the Merchants List with another new one. I created a simple test, coded as follows: Dim oList As New MerchantList Dim oMe...more >>

is there a way to print .doc and pdf files that lets the user choose which pages to print, without showing/using the printdialog?? how can i do it programmatically? thanks -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/dotnet-vb-net/200801/1 ...more >>

Hi all i have an object example employee with property Id. when the employee object is new the Id property is 0 and when it is saved to the database the Id property is set to the automuber from the database. The data access component is a remote component. my problem is when when i run my a...more >>

Building program used for timing marathon "type" races. Developed simple code that uses the forms timer1. When started it places count- up timer displayed in textbox and works fine. Have a screen button when pressed copies the current time at that very moment and pastes it into another text box....more >>

Hi, When storing a date like 1/12/2008 to msSQL(setting field is "datetime") The date in msSQLis stored like 1/12/2008 0:00:00 When upload the data in vbnet form my textbox also show 1/12/2008 0:00:00 instead of 1/12/2008 When using (setting field as "nvarchar(20)" is it working OK...more >>

I'm trying to convert a vb6 program to vb.net (vb2008 express) I have text data in a Listview Control I use a Textbox to enter characters to search the Listview When a Match is found, I use textbox_textchanged to select listview item Listview1.Items(z).Selected = True Listview1.Items(z).En...more >>

I been trying to set the RichTextBox font to shadow (using CFM_SHADOW) It shows under CHARFORMAT2 Structure's documentation and in tom's documentation. Using CHARFORMAT2 does change the text appearance so I suspect CFM_SHADOW it is not implemented. Is it implement? If it is not imple...more >>

I seem to remember a few years ago we purchased an MSDN Subcription for one of our developers as an "Upgrade" to a retail boxed standalone Visual Studio.NET 2003 that we had purchased. Does anyone know if this is still possible and hopefully provide a link? The info on the MSDN site of all the...more >>

I have an integer type database field that allows nulls. The associated class property for this database (SQL Server 2000) field is of course also an integer. In my code (vb.net 2005), I am setting this property to a text box's ".text" value. Now, depending on whether this is a new record o...more >>

hi foklkz, i have a big problem with a vb programm. the setting: - one programm P written i vb - one assembly A written in boo wich inherits from a class B written in vb and contains three functions i call from P f1,f2,f3. - both call functions from different assemblies (A1,_,An) writte...more >>

who invented or started the vb .net program? why was it used ? what sed for, business,edu, personal, which company made use of it 1st microsft,Apple, do the person work within the company where the vb stated? THis question is a who, what, when,type situation. iam not well versed in use, so please- h...more >>

I am trying to implement a form that has a TextBox control where the user will key in a SQL Script. I would like to have the user be able to drag a pre-existing query into it by dragging the file from a Windows Explorer window into it. I can get the Drag Effect to work as long as I key on the Fi...more >>

I have a library that contains classes. A typical example is shown below. I wonder if Module instead of Class would make more sense. Are there pros and cons for using one or the other? Thanks Public Class WinDefH Public Const MAX_PATH As Integer = 260 Public Stru...more >>

Hi I have noticed this problem with vs2008. I change settings for controls then I run the app and I don't see the changes at runtime. I stop the app and the changes are there in design mode. I close vs2008 and re-open app in vs2008 and app did not persist those changes and I have to do t...more >>

Hi In my vb.net solution I have added a setup project. What I am not sure is how to configure setup so it does below when it is run; 1. Install the app in C:\Program Files\Company Name\Product Name folder. 2. Create a menu entry in start menu as Start->Product Name. 3. Create a desktop ico...more >>

Hi All I have several POS programs (Windows forms VS 2005) Some customers have multiple copies of the programs, all networked to the 1 SQL Server 2005 Database which resides on 1 of the computers The programs do auto updating from my website, where they download any new updates and the ...more >>

Hi all, I'm assigning my RowFilter like: Dim AlbumView As New DataView(AlbumDataSet.Tables("album"), "owner = " & User.UserId, Nothing, DataViewRowState.Unchanged) However, this works: Dim AlbumView As New DataView(AlbumDataSet.Tables("album")) AlbumView.RowFilter = "owner = " & Use...more >>

I currently have a program that maintains a connection to a business partner. Communication to our business partner is done via a web service but it's not just wide open. We initiate a session with them by sending an xml login string via this web service and we get back a session id. Subs...more >>

When a clr has the input type of SqlString it causes nvarchar(4000) to be the parameter type of the function in sql server. how to modify my CLR function to use nvarchar(max) ? ...more >>

How to I assure myself that there is a quotation mark at the beginning of a field (an imported csv file with commas embedded in column one, i.e. "Bitzer, Ed")? I have read the field into an array in my program (field(x)) and the leading quotation mark is definitely there. dim x as integer ...more >>

I've got visual web developer, I've made my page and did Build > Build Web site. The directory is in a directory that is a web server on my computer but every time I try to bring up for example: http://172.16.32.54/creditformapp/default.aspx I just get source displayed and not the page. H...more >>

I would like my application to check an outside file (dll) to see that it has not been modified or tampered with. Is it possible to somehow generate a unique hashcode from the file itself and check that? If so, what method would you use? Or is there other (better) solutions? Cheers, Jo...more >>

I have an app that has several background threads running, and I want to use a user-defined message to tell the main form that I want it to update a object it created on startup. I know this capability is in VC++ using the RegisterMessage and PostMessage functions, but is there anything lik...more >>

Hi. I'm making video player. How to display subtitles in diferrent formats on screen? Googling didn't help. Thank in advance, Marek...more >>

I have an application that stores its configuration file in the user's Local Application special folder in a subfolder COMPANYNAME \PRODUCTNAME. The application creates the file the first time the application is run. The application is installed with a setup project in the application solution. ...more >>

Also want to know when SQL Server 2008 is releasing. Thanks, Saroj. ...more >>

I have a list of strings each represented by a number. I want those string to be constant and put as litle hit as I can on the performance of my application. The strings are mutualy exclusive, juste like an Enum. I would use the Enum, but my string contains special caracter and spaces. I would u...more >>

I have a delegate that I have defined as follows: Public Delegate Sub myDelegate (ByVal txtBox as TextBox, byval Port as System.IO.Ports.SerialPort) I have a sub with the same definition. When I try to call the delegate with an invoke I can't figure out the syntax to call it with both par...more >>

I've got Visual Web Developer 2005 express. Is there a rich textbox object anywhere? where? I use a streamwriter to write a file, is there a way after I write and save the file I can then print the file as well? here is what I am doing, just to write the file, but I would like my program...more >>

We have an application in our office that has the Option Strict option set to off right now. I do understand it should be set to ON, but right now, I'm just going to continue with it this way since I do not have the time to fix everything to set it to ON. Anyway, my question is if its set ...more >>

This is the code for finding a text that is between "<" and ">": Dim fileContents As String = My.Computer.FileSystem.ReadAllText("c:/test.txt") Dim RegularExpression As New System.Text.RegularExpressions.Regex("<((.|\n)*?)>") Dim returnValue As String = RegularE...more >>

Hi, I'm trying to get the mouse wheel event, but i cant quite nail it! I have tried a few things, but I never get it to work, although I did have it working at one point, but now it's stoped!!! I have in my form code: Sub PicBoxMap_MouseWheel(ByVal sender As Object, ByVal e As system.Windo...more >>

Hi, Does anyone have some experience on log4Net, using vb.net code in visual studio 2005? I've installed the download and added a reference in my solution. I also added "imports log4net". But how do I start the logging? Does it log everything? Where is the log-file stored ? Thanx ...more >>

This is the code for finding a text that is between "<" and ">": Dim fileContents As String = My.Computer.FileSystem.ReadAllText("c:/test.txt") Dim RegularExpression As New System.Text.RegularExpressions.Regex("<((.|\n)*?)>") Dim returnValue As String = RegularExpre...more >>

OK, gang, you have answered my question about using previously written code by doing Project -> Add Exiting Item. At that time the file is located in the Solution Explorer. How do I then reference any functions from the main program??? Thanks Lee...more >>

Hi all. It was everything all right while in my VBproj was a reference to Microsoft Excel 10.0 Object library added . I have migrated to MS Office 2003. So, I can add Microsoft Excel 11.0 Object library instead. But now I can't use any of Excel objects (Workbook, Worksheet and so on)... ...more >>

I'm looking for sample code to help me learn how to write a toolbar add-in for IE. It can be VB6, VB.Net, C# ... heck, I may even try a little C++. Whatever you've got....I want it. Thanks! jim ...more >>

Hi All I have a Tablelayoutpanel in VS 2005 which I populate in code with datagridviews As my program runs on Touchscreen computers I would like to add up and down scroll buttons, as the default scrollbars are hard to target I do it within datagridview controls using the datagridview ...more >>

I’ve created the class below. It contains three properties (which I will be referring to as fields). They are intProcessStep, strProcessCode and strProcessDesc. Public Class myProcess Private m_strProcessCode As String Private m_strProcessDesc As String Private m_intProcessStep ...more >>

I've come across a few statements that conflict eachother and I'm wondering what is correct. I cam across a web-site (I do not remember the site right now), that explained each data type. For the NVarChar data type it suggested that you never store a NULL value. It said, if you have a NULL...more >>

I have a procedure and in the procedure I use "Me" Since I have multiple copies of this procedure in various places I place it into a library as a Shared Sub. The problem is in the library I can't use Me so I add an argument like: ( ByVal c as Control, ...) and call it with Me as the param...more >>

I am using an EventTraceListener to display certain significant events in a VS2008 console app that runs on a server. I am able to write "Trace.TraceError" messages, as well as information and warning messages, along with my message text. However, I cannot figure out how to the category and...more >>

this is from MSDN: "Returns an integer containing either the number of characters in a string or the number of bytes required to store a variable." under what circumstances does the Len function return the number of bytes to store a variable, and how do you change that behavior to give you th...more >>

I'm wondering what is the best way of replacing a set of nodes with an XmlDocument with another set of nodes? I'm limited to VS2003 (VB) for this unfortunately.. I essentially need to replace a specific range of nodes with another range, eg change this document: <doc> <node1>val1</node1> ...more >>

Hiya I want to execute a function using reflection and retrieve the value of a string using a ByRef parameter. When I Invoke the MethodInfo passing in the string parameter, it gets populated in the correct function but when I come back out of the function that value is not passed back to th...more >>

I think what is happening here is that the string length is being reported as the size of memory needed to store the string. 'code in my thread Dim inData As String = "hello world" Dim dlg As New ShowReceiveDataDelegate(AddressOf populate_grid) 'instantiate delegate Dim args() As Object = ...more >>

I get an Object Reference not set to an instance of an object when my code is hit on the pfile.GraphicArrowLimits Public Function AddGraphicArrowLimitsToScreen(ByVal compSelected As String) As Boolean Try If compSelected = "-Blank Entry-" Then compSelect...more >>

all, I have a class that has an event. Whenever that events inside my class fires, I want to run a "Button1_Click" inside Form1. Is that possible? Thanks...more >>

Hello! I am starting and resizing external applications(Microsoft Word/Excel/ Powerpoint Viewer Notepad, Acrobat Reader) to display some documents. I have to scroll some off those windows, too. I think I need the Win32 API function FindWindowEX to find the scroll control or the Edit control t...more >>

in vs2005 I added a reference to component name "tom" from riched20.dll. In vs2008 I now get the warning: Type library importer could not convert the signature for member DISPPARAMS.rgvar The rich edit controls that ships with XP SP1 is in Msftedit.dll (v4.1) and Riched20.dll (v3.0) I...more >>

I have two Visual Studio 2008 solutions and one VS2005 solution. The VS2005 solution is referenced by the VS2008 solution and compiled together into the VS2008 solution. This works, at least as far as compilation and testing goes. Even publishing goes to a successful conclusion *within* VS2...more >>

I have written an application which uses a streamwriter to create which is exported to a third party system. The third party system does not appear to process the files in its original format. I have identified this as resulting from the streamwriter outputing in Unicode. If I open the tex...more >>

I want to create a report to show information using parameters. I have setup the report to accept parameters but I want the parameters to come from a WinForm that shows the same info in a datagridview on a separate WinForm and not ask the question as the form loads. Last week, Terry gave m...more >>

I just installed VS2008 and Edit menu has "Quick Find" and "Quick Replace" but no "Find in Files" nor "Replace in Files" Help says: On the Edit menu "Find and Replace" should be there but it is not. Nor is Tools/Options any help Can you tell me how to make them show? Thanks ...more >>

Hi all, in my windows application I have to read a text file to a string array. The file contains a û character (code 251). On my pc all works fine, but in the production one the û characters disapperas, the string resulting 1 character shorter. The code that do the reading is shown her...more >>

Hello! I just want to check with "ADO" and "SQLConnection" if a table exist and what columns the table have. Does somebody know how to do that? Thanks in Advance! Markus ...more >>

OK maybe I'm missing something obvious. Look at the following code: Using fs As New FileStream(My.Computer.FileSystem.SpecialDirectories.Desktop & "\junk.txt", FileMode.Create, FileAccess.Write, FileShare.ReadWrite) Using sw As New StreamWriter(fs, System.Text.Encoding.A...more >>

Hi all is there as way i can tell the amount of memory my object takes. for example if i have a collection of employee object say of 20, how much memory do they take e.g. 500kb. thank you. ...more >>

hi guys! i need help with printing. i want to print it with the filename "c:\testfile.doc". i use the code below for it to disable the use of color ink, but it doesnt print anything. --------------------------------------------------------------------------- Dim printDoc As New Printin...more >>

Hello, I need to create an user control with two Panels, and allow to insert other controls in design time. Im using VB 9 (VS 2008), I found code to allow the insert of controls to the user control, but the inserts are in the control as a container, and not the panels, I need the panels to be ...more >>

Hi, I found some useful books on http://www.jumbooks.com Kindly have a look on them: http://www.jumbooks.com/books/Computers%20and%20Internet/apress%20asp.net%202.0%20revealed http://www.jumbooks.com/books/Computers%20and%20Internet/101%20microsoft%20visual%20basic%20net%20applications http...more >>