Hello, i am inserting form values into a database and i am getting problems in this line: <Parameter Name="@Local02Metro" Value='<%# IIf(local02Metro.Checked <>"", local02Metro.Checked, "") %>' Type="WChar" /> The error i get is this: System.InvalidCastException: Cast from string "...more >>

Hey, I'v created a define typed DataSet using an XSD Schema, and I tried to read an XML file into the dataset and update my table with the new data. The problem is, that I have a feild in the table/XSD Schema, that is of type string (varchar2 to be exact), And when I try to put a string contain...more >>

I can't seem to get the session_end event to work? I've tried to update databases in it and response.redirect to someplace else. Nothing works. I load page and leave it for 60 minutes and I know that the session id expired. I used session.abandon and it didn't fire the session_end. How can ...more >>

Hello, I have as class and when I get wrong data when creating the object (in the 'new' routine) I want to break off the creation of the classObject, so it results in 'nothing' to the creator . How can I do that? Thanx Frank ...more >>

I have a login form which I want to display with the showdialog method. When I do that the event handler for the load event does not run. If I use the show method the load event handler runs perfectly. I can't find any documentation regarding the load event not firing when a form is displayed usi...more >>

This works and preserves tourID even after a postback: dim tourID as integer Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Put user code to initialize the page here If Not Page.IsPostBack Then to...more >>

Hi, First venture into using MSMQ Prog A owns queue and is receiving. Prog B detects queue and sends message Prog B appears to be working in that I can see the messages being created in the Message console. Prog A detects the message but I cannot get it to deserialise it. It errors with 'Ca...more >>

Hello, I've been Googling for hours... Anyways, in VB.NET, I wish to enter in a mac address and resolve it to an IP address. (local IPs) And simply output the ip into a textbox. I found out how to get the MAC address from the host name by importing System.Managment. I was wondering if a...more >>

Hello, question about the values for a property. I have a class with an enum and property: classA public enum x as short a b c end enum property xy() as x ... end prop When I dim a new class and fill the property: dim inst as new classA inst.xy= After typing the equal sign (inte...more >>

Hello everybody does anybody knows a good tutorial that explains how to create an addins in vb.net ? Thank you Regards ...more >>

win xp -- vs 2002 -- web forms -- Access 2002 When does the session end I put code into the globalasax.vb , session_end sub. I go into the web pages and I add a record to a file and in the globalasax.vb I update the record but it doesn't work. (I end the session by clicking the X in top rig...more >>

I'm having a bear of a time with this. The error is, 'invalid type cast'. I'm trying to create a checkbox for a datagrid. The check box shows up and is bound properly, but when I go to update, and read the value from the checkbox, I get the error. Just what is the 'checked' property type...more >>

The definition of a read/write property in an interface is similar to the following: Public Interface EiDuty Property Key() As String End Interface If I would like to generate a TLB out of the interface, how does the tool tlbexp knows what to export first? The get property or the set pr...more >>

If I want to suppress the scanner selection dialog and the devices properties dialog do I have to write a C++ wrapper around the WIA api? I want to set all the properties of the scan session within my app without user intervention....more >>

I have been using Visual Basic 6 and ASP (Visual Interdev 6) for a few years. I would like to learn VB.NET and ASP.NET. If I study Visual Studio.NET, will it cover both ASP.NET and VB.NET ? Based on your experience, what is a good book to study from ? Any of the 21 days series book that are good...more >>

I create a simple windows form with a textbox. In Process information window of WindowsXP, my application eat 8,88 meg of memory IT IS A LOT ! it is normal ? Thanks for your answers Éric Lapointe -- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/...more >>

Can VB.Net create variant record types similar to C Unions? If so, how? Thanks, Mike Ober. ...more >>

Hi, I have a VB.Net remoting project that has a simple Windows form remote client and a HTTP channle based remoting server. The client and server works fine except that I lost my "watching" capability on the server side all of a sudden. Now I can't make code stop at my server side bra...more >>

Hi.. I have an application in which i have two forms. Form1 and form2. Am able to pass the data to form 2. The below is the code snippet am using. Private Sub directorytree_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles directorytree.DragDrop ...more >>

Hi. I try to get the printable area of the printer (Margins). I have used Defaultpagesettings.Printersettings.Margins.Top, .Left, .... But it didn't give the true values. Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ...more >>

Hi I need to check if the mdac 2.6 is installed on the clients computer. So I need to define this when I deploy my application. Is there anyone that can tell me how I can do that? Regards Magnus Posted Via Usenet.com Premium Usenet Newsgroup Services -----------------------...more >>

Hi All, I just want to change the mouse cursor during a process. I want a hourglass... How may I do it ? Thx ...more >>

I am having problems passing an Event Delegate as an argument to a method that accepts a delegate argument. I get the following error message: 'Public Event ProgressChanged(sender As Object, e As System.EventArgs)' is an event, and cannot be called directly. Use a 'RaiseEvent' statement to r...more >>

I have been searching for some sort of comparison of POP3 components that would work with VB.NET. So far, I have not had great luck. I am hoping that maybe someone here can point me to a comparison and/or give any feedback on ones you have used. The application I am working on will interact wit...more >>

Hi, I want to try call/run Ms. Word via my VB.Net First I added reference : Microsoft Word 11.0 Object Library. Then I got 2 references in my reference list : Word and Microsoft.Office.Core When I typed : Dim objWord as Word.Application Dim objDocument as Word.Document I got an error (und...more >>

I have the following code that creates a couple of XML files: Dim dt1 As New DataTable("P1JoyUp") If H = True Then Dim dsH As New DataSet("HCPViewer") dsH.Tables.Add(dt1) dt1.Columns.Add("Top") Dim dr1 ...more >>

here's the deal...cvs, tick encapsulted data. trying to use regex's to validate records. here's an example row: 'AD,'BF','132465','06/09/2004','','BNSF','A','TYPE','1278','','BR','2999','' ,'LX','','01','09','1','','','','','','','','','CUSTOM JOB CODE TEST' record type is in the 8th column ...more >>

Hi, how can I make for resize the forms from my program when I change the size of screen resolution? Thanks in advance ...more >>

Hi, How can I make for resize my forms in my program when I change the screen resolution? Thanks in advance ...more >>

Does anyone know if there is a place where you can see the most recent applications that have been run in xp? Does this get written to any kind of log? Tnx, D ...more >>

I have a thread which executes database manipulation code. I need to display the resulting dataset into a datagrid which is located on my main form (created by the main thread, not the child thread that created the dataset). When I try to bind the results to the datagrid, I get the following ex...more >>

I'm sure there's got to be an easier way... What's the best way to convert a String to and from ByteArray for use in Base64 crypto? MTIA!! wardeaux ...more >>

Hi, How could I export data from table or query to excel file in VB.NET? Thanks in advance, Tomek ...more >>

Hi How do I manually read then values held in an app.config file. I have an application with an application configuration file. I can read the values in the file using Configuration.appsettings etc and all is OK. However I want to read the values from a DLL ( launched form another applic...more >>

Hi, Is there a way to format a date like this: Format(Now, "HH:mm:ss.Milliseconds")?? I knwo I can use the Now.Milliseconds-function, but it would be nicer to put it in the Format-function too, but I can't fidn the abreviation for it? Anybody can help me with this? Thanks a lot in adva...more >>

I have a Windows Form that, on initialization, creates/starts a thread that runs a long process. When the user clicks the "Next" button on the windows form I need to wait until the thread is completed and then continue this what needs to be done. (using a call back function to enable the Next ...more >>

I just received my free VB.NET package from MS, and can't figure out how to Save As. I loaded a sample program and made a bunch of changes to it and wanted to save it without overwriting the original sample. The only place I could Save As was the one place I didn't want to save it. Even with a...more >>

Hi, I have a VB.NET class project that I want to return a UrlEncoded string. I will eventually add this as an assembly to another C# Web Project. How can I do this? I've tried Importing System.Web but the only options that appear are: AspNetHostingPermisssion AspNetHostingPermisssionAttr...more >>

Hi This is probably a pretty easy thing to solve, but I cant find where this is done. I want to create a white area at the top of my windows form and then a horisontal "splitter" that seperate the white area from the grey area underneath it. I know I can add a white panel, but how do I ...more >>

Dear All, I would like to make a make my VB Applicatin's web services URL as dynamic, therefore VS.Net will add a key into app.config. May i ask what can i do if i want to hidden those value from App.config? Thx a lot Regards, Norton ...more >>

A little background: I use three Datagrids that are in a child parent relation. I Use Negative Autoincrement on the the DataTables and that's workning nice. My problem is when I Update these grid and write to the database and I set the new Primary Keys and related Fields to the new asigned...more >>

Hi I've only started "playing" with web services this weekend. I have one question which I can't seem to find an solution to... Is there a way to change the (web) server's name on which your web service is running programatically? Let say I develop the web service on my localhost but then I...more >>

Hi all, I have a solution, which contains several projects. Each project occupies the same namespace, and compiles to s different .NET DLL e.g. MyNamespace.ThisClass is in one DLL MyNamespace.ThatClass is in another DLL I wish for a .NET EXE to be able to dynamically create an instan...more >>

I'm using the HttpWebRequest and HttpWebResponse components to automatically scrape content from various internet news sites to store on my iPaq PDA which I later read off-line while commuting to/from work. I don't have room on the PDA for all the associated advertising stuff these sites have, s...more >>

I'm using reflection to inspect a class and its methods. Is is possible to determine if the class is a derived class or an interface implementation? I'm using the MethodInfo object for relfection that I use for acquiring the function names, scope, parameters, etc. Is there an "InheritedClassT...more >>

I have searched the news groups on similar subjects, but haven't found anything adequate for my need .... To save much duplication of code I would like to create a baseclass that takes a SQL-Select-string and a type as parameters. It will then return a collection of objects of the specifi...more >>

hi all, it's me again. i'm using ASP.NET Web Application, using a "File Field"component under HTML tab and i do a right click on the component and select "Run As Server Control". This was done because i wanted the user to browse a specific file in their own directory. Everything was working fi...more >>

hi all, it's me again. i'm using ASP.NET Web Application, using a "File Field"component under HTML tab and i do a right click on the component and select "Run As Server Control". This was done because i wanted the user to browse a specific file in their own directory. Everything was working fi...more >>

hi all, it's me again. i'm using ASP.NET Web Application, using a "File Field"component under HTML tab and i do a right click on the component and select "Run As Server Control". This was done because i wanted the user to browse a specific file in their own directory. Everything was working fi...more >>

I am new to VB.Net WebProjects but have written VB.Net Projects for sometime. I am having problems with variables in my WebProjets. I dim them and I can use them but they do not keep there value. I have a timer that runs and each time the time if fired that value in the variable is back to what i...more >>

Hello, I have a VB.NET application where I want to move directories over a network. I tried this with system.io.directory.move, but that doesn't work over different volumes. Has anyone a sollution for this problem? thx Karel...more >>

Hi I have a checkbox column in my datagrid. When I uncheck the checkbox it turn grey, and then I have to uncheck it once more to get it completly unchecked. Why is that? I would like to skip that part. <code> Dim colCheckMe As New DataGridBoolColumn With colCheckMe ...more >>

Hi, I am new to Visual Basic =2ENet (some experience with VB6) and I am= trying to write my first application for my PocketPC (WM2003) I= need to be able to create/store/recall records like a database=2E=2E= but from some reading on a few websites it looks very= complicated to do this wit...more >>

Hi, Firstly apologies if this has cropped up before however I have hit a small problem. I have created a program which my colleagues can use to generate mathematical quotes based on various known variables. Now that this works very well we want to export that data in the appropriated label...more >>