I own Visual Basic Professional which I am using to qualify for the upgrade price on Visual Studio .NET. A while ago I bought VisualBasic.net and uninstalled my Visual Basic. Now I want to install the full Visual Studio. 1. Should I uninstall the Visual Basic.net? 2. How does the install...more >>

hi i am trying to send a mail using C# and asp.net but i get the following error, object objMail = Server.CreateObject("CDO.Message"); objMail.From = "chris@hotmail.com"; objMail.To = "chris@hotmail.com"; objMail.Subject = "Simple mail test"; ...more >>

I have a project consisting of two forms and a class that I created. The class, called Project, has several properties and a method. Form1 instantiates my Project class and populates the properties from textboxes. When the user presses the Next button, Form2 should display the data in t...more >>

Trying to decide which subscription to go for. Having a look at http://msdn.microsoft.com/subscriptions/levels/default.asp I can see there are the differences but are there more than this displays? The reason for my question is that I seem to remember that there was more controls (and uti...more >>

hello there, I want to find out if I close a browser, does that end a session? I want to use a session variable to track the number of user of my site, so I add 1 to a session variable when the "session_start", and minus 1 when "session_end". The session_start is fine, but the session_en...more >>

I have a bound combobox the appears on a cell within the column of my bound grid when the user clicks on a cell n(In my vb.net WinForm app). I am trying to allow the adding of an item to that bound combo by allowing the user to dynamically type in the new value directly in the combo box whcih in...more >>

I'm using the System.Web.Mail.SmtpMail class to send email from an app I wrote. I needed to install IIS to get it to send the messages even though I wanted to use an existing SMTP server. Anyway, I got it to send messages for me which is great.... Unfortunately, I do not receive the complete con...more >>

I am having a problem where a color i select, and convert to a string for storage in an XML file is not being converted back properly. The following is a small example that illustrates the problem.The color seems to show up properly, but it has lost its IsNamedColor property. Is it possible to ge...more >>

hi i am trying to make a vb.net control using Imports System.Web Dim email As New System.Web.Mail.MailMessage but it gives me the error Type 'System.Web.Mail.MailMessage' is not defined. why is that however i am able to send messages using asp.net's createobject ("...") why is that? t...more >>

When displaying the Color Picker for a web page (in the VS IDE), Background is listed on the System Colors tab. Also, Color.FromName("Background").IsNamedColor returns True. However, Background is not a member of the SystemColors class, and it is not a member of the KnownColors enum no...more >>

I have a project with 2 DLLs, one of which is supposed to call the other, but I can't seem to get it to work. I am doing the following: 1) The 2 DLL projects are set up as VB class projects and their DLLs are compiled (build command). 2) The 2nd DLL is referenced from the first one. 3)...more >>

Is it possible to combine two dll assemblies into one? If so, how? TIA Patrick...more >>

Is it possible to combine two dll assemblies into one? If so, how? TIA Prateek...more >>

Are there any rules of thumb for when it is more appropriate to use WinForms over WebForms. It strikes me that WinForms is best suited for many/most "Intranet" and some "Extranet" scenarios but wholly inappropriate for "Internet" scenarios. I ask because there seems to be a school of thought t...more >>

I have a base interface named IBase. Two classes, CChild1 and CChild2 implement IBase. CChild1 and CChild2 perform the same function but in different ways. My client application needs to be able to choose either CChild1 or CChild2 at runtime and create an object of the class. I haven...more >>

It is still unclear to me why we would use events when delegates seem to do just fine. People say that events make it so the publisher doesn't need to know about the listeners. What does that mean? Why are events better than delegates? Thanks ...more >>

I can't find how I can, in c#, open a serial port and read and write to it. Anyone that knows if there is any namespace with methods or code example....more >>

I recently added a machine with Visual Studio.NET 2003 on a Win2k sp4 SERVER machine and am having problems with roaming profiles. Apparently the Machine Debug Manager (mdm.exe) service is holding on to a registry key during shutdown and restart and prevents the roaming profile from synchronizi...more >>

(Sorry for the cross-post, but no one responded to my other thread.) When developing a web page in VS.Net, I see everything in WYSIWYG format. And when I am creating a User Control, I see that drawn the same way. However, when I drag the User Control onto my main page, I see a gray box whe...more >>

If I have 2 VB Classes that are DLLs on my workstation and I reference them from a program as follows: program -> Class A -> Class B it puts the DLL for class B into the Bin directory for Class A along with the DLL for Class A. If I later decide to make changes to Class B, how will the ...more >>

hi i am using windows 2003 and donet 2003 do i need to install exchange server to send a mail using CDO or CDONTS? ...more >>

Hi! Does anyone knows where is vsa sdk? It has already been shipped? It has been abandoned? Is there a way of using vba sdk with .net Applications? Thanks, Silva...more >>

Dear all, I have a simple class in my application whcih create dynamically textbox control to be place on a form When I execute the code : log(time) my control = new myclass() log (time) it take more than 3 secondes to execute, even if I have just a simple line in myclass contructo...more >>

i'm using an sqlcommand like this "update mytable set myfielddatetime='" + DatetTime.Now.ToString("G") + "'" but when i execute it, i get an exception (System.Data.SqlClient.SqlException) that tell me : converting from char to datetime generated a datetime overflow how can i execut...more >>

I'm trying to port one of my applications from VB6 to Dot Net. In my VB6 app I do an HTTP Post of data to a website and receive a response. I want to essentially do the same thing in VB Dot Net. This is my original VB6 source code: WinHttpReq.Open "POST", "https://www.abcdefg.com/ProcessI...more >>

Does anyone know of a way in VB.net, to implement the following functionality in printing address labels. Allowing the user to select from which location on a stadard address label sheet (Avery 5160) they want to begin there printing from. The address labels are printed using Crystal Rep...more >>

I have a form in c#. I want whenever a user presses return on a text box, combo box or numericupdown control the key press will be trapped and replaced with a tab character forcing the user to move to the next control. I can trap for the character but can only block the return and then do ...more >>

I have created the world's greatest OSS program. Here it is. I defy you to compile and run it. This will separate the trolls from the zealots. HHAHAHAHAHHAAHAHHAH!!!!! /////// yoU.c #include <gtk/gtk.h> static gint delete_event_cb(GtkWidget* w, GdkEventAny* e, gpointer data)...more >>

I want to create my own controls which are totally diferent from the existing controls like button and textbox.I dont want to use the existing web controls in anyway i.e I dont want to go for user or custom controls. Can anyone please give me an idea as how to design a control,how should ...more >>

Hi all, I want to test .NET passport authentication on my site which is not for public consumption. ie., I want to test on my local machine (localhost). Can someone give my step-by-step example of refer any site which gives this help? Thanks and regards, Srinivas ...more >>

I'm listening to RUN DMC and Aerosmith Walk This Way in Ogg vorbis format on Radio Free Virgin ...more >>

I am writing an application in c# that connects to a SQL server database. Following examples etc I can use bound controls and with the position property go to a row and edit it and save changes back to database. The problem is I can't find how to set the position of the form to a new row. ...more >>

GRRRR... I've run across a situation in which I have NO solution. Hopefully there is one. VB.net. It's rather simple. I've a ComboBox that get's populated via a Database. And I pre-select (during Formload) the Index using SelectedIndex: ' Get User info from Data Base fill daPi...more >>