Hi, In VB6, on every click on Command1, to change the Form background color dynamically, I use: Private Sub Command1_Click() Me.BackColor = QBColor(Rnd * 14) End Sub How can I achieve the same in .NET? When I am using QBColor() function in .NET, it is giving the the following ...more >>

What key combination in .Net gives you the Shift-F2 in VB6 to goto item... TIA, rpb ...more >>

I want to expose properties of a class to a user via a PropertyGrid class. Some of the properties are of type System.IO.FileInfo. Ideally, an OpenFileDialog window would appear when the user attempted to edit the value of the System.IO.FileInfo properties. Is there an existing UITypeEditor that w...more >>

Is there a way to to retrieve Directory Property information? I am trying to develop a way to monitor total Directory size say any directory over 200 meg. I have the logic to enumerate the directories but I can't seem to figure out how to extract the directory size. ...more >>

Is there a way to to retrieve Directory Property information? I am trying to develop a way to monitor total Directory size say any directory over 200 meg. I have the logic to enumerate the directories but I can't seem to figure out how to extract the directory size. ...more >>

Is there a way to to retrieve Directory Property information? I am trying to develop a way to monitor total Directory size say any directory over 200 meg. I have the logic to enumerate the directories but I can't seem to figure out how to extract the directory size. ...more >>

I fill the datagrid with oledbdataadapter. and make some changes on the datagrid.(Read only=False) now how could I update the database? How I could get this modified data to dataset from datagrid. Thanks ...more >>

I have a VB.Net application that runs as a Windows Service and monitors a MessageQueue on another machine. At times that machine will have to be rebooted, so I've been working on how to get my Service to re-establish the connection after the remote machine is back. I found that as soon as ...more >>

Hello, I'm using an Access database. I'm trying to built a datagrid from a OleDbDataReader. Does anyone knows how to do this ? dim reader as OleDbDataReader reader=foo() 'assume this correct: foo() returns an OleDbDataReader 'with the result of a certain Select-query 'here comes the...more >>

I wish to create a file in a virtual directory, and then navigate to it. For this reason I need the virtual directory name, e.g. //localhost/MyVirtualDirectory (or http://localhost/MyVirtualDirectory) and a way in which to discover the proper path name from it, e.g. d:\inetpub\wwwroot\MyVi...more >>

After registration I'd also like VS to automatically attempt to unregister all older versions in the GAC. Is it possible to get VS to behave this way? If not will it be a Whidbey feature? Bob ...more >>

Hi Group Anybody know where I could find a Example of a simple stock control system for Vb.Net using SQL or Access and ADO.Net? Many Thanks Merlin ...more >>

I have written a windows service which I want to deploy company wide to all machines. What is the best way to do this? Most users are remote users. Any ideas are appreciated. ...more >>

I'm trying to figure out what exactly the CObj() function does. I'm not using it for any reason, but on a review of all those casting functions like cstr, cbool, cdate, I saw it, but couldn't for the life of me figure out the point of such a function, or how I would ever need to use it. It take...more >>

Hello Everyone, Looking for a better way to do this. I have several separate processes running on 5 + machines on the network. These processes are identical. What they do is, they look at a table in the DB and based on entries they perform some tasks.Once entry is read it changes a status. ...more >>

I have a DataSet that contains 6 tables. When I write to the first table, all goes well, and my database gets updated. When I start to reference the second table, I get an error message that a colomn from the send table is not part of the first table Key portions of code follow ...more >>

I would like to create a custom version of te datagrid that would support a double click event. Anyone know how to do this?...more >>

Via a TCP/IP socket, I receive two lines of comma separated text. The first line is always the titles of all the columns. The subsequent line is the data for each column. How do I split out the titles and the data, put them in an array or collection of some kind, pull the data for one of the ...more >>

I was trying to make a simple dataReader.... Sub projets() Dim conn As New OleDbConnection(connstring) Dim dr As OleDbDataReader() Dim cmd As New OleDbCommand() cmd.CommandText = "select * from projeto order by nome" cmd.Connection = conn conn.Open() dr = cmd.Ex...more >>

Hi, How could I set the presence of the form to be called to be locked inside the boundary of the calling form ? I got A and B form A form contain tree view menu and B form was part of the tree view menu item. So when I click the tree view menu item and select B form to be showed under A...more >>

when i load my windows form i populate a combobox i use the code below Dim conn As New System.Data.SqlClient.SqlConnection(strConn) Dim sql As String = "AllLenders" Dim da As New System.Data.SqlClient.SqlDataAdapter(sql, conn) Dim ds As New DataSet() da.Fill(ds) ComboBox1.DataSource = ds.Tab...more >>

I've noticed this a few times now, I have pages in a specific order that i want them in, and every once and a while when I rebuild my project or edit a tab page, the next time i open that form up to work with it they are in a diffrent order again... has anyone ever seen this happen? ...more >>

Dear all, I am facing this 'bug' that really drive me nut. I created a = trigger for Update script and tested in Enterprise manager to ensure it = function correctly. However, when I used both VB or Server explorer to = update the table, it gives me error, Couldn't VB just act as a = intermidary...more >>

Hello, I have a datagrid (drg1) on a form and displays 6 records. I can set the row pointer (select row) with the currency manager(cma) as follows: cma.Position += 1 drg1.Select(cma.Position) But when I move to the next row, the previous row retains the drg1.SelectionBackColor (whic...more >>

Hi Ive designed a page to print out and i had two icons on the page a tick and cross. These show up perfectly on the preview but when i print they dont print out. Any ideas why this is happening or how i can rectify the fault Regard JP...more >>

I am trying to split a comma-delimited string into a string array. unfortunately, if the string doesn't contain a comma, the resulting array is Nothing. other than using vb6 compatibility, is there another option? thanks, Craig Buchanan ...more >>

Hello, i develope a software with vb.net / ipaq (Pocket PC 2003) From my software i will start the mediaplayer with a movie but my programm have to wait until the video is finished. Dim nZeit As UInt32 = UInt32.Parse("4294967295") Dim prcNeu As IntPtr prcNeu = Core.CreateProcess"\windo...more >>

what is the fastest way to remove a value from a string array? something like: dim x as string() = {"A","B","C","D"} 'remove C x.Clear(x, x.IndexOf(x, "C"), 1) Questions: 1). if i'm calling x.clear, do i need to keep specifying x in the ..indexof method? can i use me.? 2). ...more >>

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I have a directory synchronization service that requires access to network shares. I am getting access denied errors. It looks like I need to implement impersonation. Can anyone direct me to a working example or good article of impersonation for a windows application? Any help is apprecia...more >>

Hi, I am trying to do something that should be EASY but is not working for me for some reason. My application opens to a Main form, similar to a SwitchBoard in Access. What I am trying to do, and I may not be doing the best thing, is hide the Main form, and open whatever form the user ...more >>

Is there a Now time function that gets the Servers Now? Instead of the Now from local computer? Any help is appreciated. Thanks, Trint .Net programmer trintsmith@hotmail.com *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it...more >>

If I have two custom vb.net classes, where 80% of the properties are alike and there is one method with a matching signature, can i cast between one and the other? do i need to have each class implement a common interface? thanks, craig buchanan ...more >>

How can I tell if the system is 'idle', or the screen saver is running, or the machine is locked? I am writing an application that could really benefit from knowing this information. During 'idle' time, I could do some of the slightly heavier processing; during the 'working' time, I would displ...more >>

Is there someway to get an application to update itself? Right now I'm including a second executable that the main application calls whenever it sees a new version of itself. This works but it doesn't seem like a very clean way to do it so I'm just wondering how everyone else handles it. Mar...more >>

I have a data grid in VB. I am trying to loop through all of the records and stop on the ones that are selected. What is the the syntax for this? Basically. IF is selected the Process recor Els Skip recor End i Any help would be appreciated. Thanks Kirk M. Dowd...more >>

Public Class fraction Dim m_numerator As Int16 Dim m_denominator As Int16 Public Event zerodenom() Public Property numerator() As Int16 Get Return m_numerator End Get Set(ByVal Value As Int16) Value = m_numerator ...more >>

In implementing the IComparer method of a listview, I found sorts by date are incredibly slow. I used a second dummy project to find out what the issue was. Code as follows simply converts two strings to two dates, and if they are not dates, uses 1/1/1900. If str1, and str2 are both valid dates, thi...more >>

Hi I have a problem with a crystal reports viewer I have developed with VS.Net 2003. Everything was working fine until I tried to view reports with suppression formulas... Eg. suppress (no Drill Down) group header 3 when: DrillDownGroupLevel < this formula should return True or false and work fi...more >>

Hi there, ive got a page which im printing but in order to centre some text i need to know the width and height of the text. I have done this before a long time ago and i seem to have totally forgotten how to do it. Hopefully someone can help me out Regard JP...more >>

When using the Try...Catch...Finally statements, what happens if an error occurs in a procedure called by the main procedure? For instance... Private Sub DoSomething() Try Call DoSomethingElse() Catch MsgBox("An error occured.") Finally MsgBox("This code always executes.") End Try En...more >>

Hi I was looking to impliment a TextBox or RichTextBox that provides links to other forms or pages. For example: Outlook 2003 >> Tools >> Rules and Alerts >> New Rule Something like the box shown in step 2 which provides text with links to items such as a folder browser or contacts list....more >>

Hi Friends, I am creating a application using C#. In that application I am using RichTextBox (System.Windows.Forms.RichTextBox). My query is how to create a file link in Rich text box. Means, I want to embed file in Richtextbox. If the user click / doubleclick / Ctrl+click the link, that...more >>

Is there any way to check if another instance of my program is running if a user executes it ? I would like to warn the user if the program is already running to prevent multiple instances. Thanks -- Tony ...more >>