I have pairs of controls: immagebox + textbox = one pair. I want these to show up in a single column grid/tabular format. Each cell contains one image/text pair. I want this grid to scroll because the number of pairs is dynamic depending on a user selection. I suppose I will be adding these controls in code at runtime when the user m...
I have an web application written in ASP.NET (FW 3.5) (along with some VBScript, this is a legacy app) that uses a utility class in the backend that logs error. I need to log several values that a user has entered in the front-end. Since the utility class has no access to the front end (or any HTTP services), i created a singleton cl...
I've written a short function for array intersection and wanted to know why one function is faster than the other. 1) Dim list2() As String 'Assume it has values' Dim list2length As Integer = list2.length Function newintersect(ByRef list1() As String) As String() Dim intersection As New ArrayList If (list1.Length < list2length...
I want to capture when someone uses Ctrl + C even when off focus. im using Visual Basic 2010. ...
hi i want to get current internet ip address in vb.net. not localhost ip address. like as (http://www.ipchicken.com/ website return ip address) please help me . by somu ...
HI I wonder if anyone will be kind enought to look at the code below and help remedy it. I am grateful to contributors from this site for even getting this far with my aim. The code attempts to do the following, to look at the first element in an array, if it is 1 it then looks at elements 13-16 and identifies the highest value, using a ...
Which datagrid should I use in vb.net? Which grid works like mshflexgrid? I have used mshflexgrid in my vb.net project as a result it shows error when I am trying to build my project! Please check my code & tell me which grid will support my code. Please add example with your answer because I am just a beginner. My frist grid code : Pu...
My requirement is as follows, I am calling a procedure and I'm populating a DataTable. Assume that the procedure is returning emp_id, emp_name, designation and status. When I use DataGridView1.DataSource = <Name of the DataTable>, I get all the columns populated into the DataGridView. How can I display only selected columns in the DataGr...
Hi everyone, I have a VB windows Form project that connects to several DataTables in an Access DB. On my form I have several textboxes, comboboxes and datetimepickers that are bound to those sources. With one table in particular when I try to update the tableadapter after editing one of the textboxes the update method fails. No exceptio...
Hi guys, I am using Visual Studio 2008 and have connected a database correctly as I have done a login that works fine, although when I try to insert information submitted in the text boxes a different table, it doesn't enter after I end program to check it still has no data in. Any ideas? Dim con As SqlCeConnection = New SqlCeConnec...
Is it possible to show a splash screen in WPF that has animation. I want my name of the company and the name of the application to fly in and a progress bar that continously animates. I Used this example http://blogs.lessthandot.com/index.php/DesktopDev/MSTech/wpf-and-the-splashscreen to try and get me started but the progress bar do...
If I have the following ... a OrElse b ... and a is True then clearly b is never evaluated. But if I add an Or, then what? a OrElse b Or c Does/should c get evaluated? And what if I put in some brackets? Apologies if this is basic. Of course I can test for the answer myself but I can't find this question answered here or elsewher...
Hi - I don't have a specific question here but I'm more looking for some guidance regarding a new software project I'm starting at work. Here is a description of the project: I am refactoring windows software that was written in Visual Basic 6 and uses MS SQL Server for a database. The code is tightly coupled with SQL queries and refe...
I have a view that is displaying a Drop down list using the HTML helper DropDownListFor <%: Html.DropDownListFor(Function(model) model.Manufacturer, New SelectList(Model.ManufacturerList, Model.Manufacturer))%> My controller is passing the View a ViewModel containing the Manufacturer and the ManufacturerList Function Search(ByVal ite...
How can I handle aCheckedChanged event for a cell in a DataGridViewCheckBoxColumn? Note: If applicable, I prefer VB.NET answers over C#, but I'll accept either. ...
I have a date time as a string, eg. "2010-08-02", I'm trying to convert it to UTC with the following code snippet DateTime.ParseExact("2010-08-02Z", "yyyy-MM-ddZ", CultureInfo.InvariantCulture) When I print to the console, I get the following: 8/1/2010 5:00:00 PM. Is there a reason why the date shows up as the date before the date I'm...
I'm trying to LINQ two tables based on a dynamic key. User can change key via a combo box. Key may be money, string, double, int, etc. Currently I'm getting the data just fine, but without filtering out the doubles. I can filter the double in VB, but it's slooooow. I'd like to do it in the LINQ query right out of the gate. Here's the da...
I've been asked to write code to track IP addresses of visitors to one of my company's online applications in .NET. This is actually the second one I've done, having done another site late last year. I noticed then, and again now, that I sometimes get the same IP address showing up for what I know is another box.....sometimes a co-work...
Hi, Banging my head against the wall for around 2 days with this one. I am using a System.Diagnostics.Process to execute dirquota.exe. I catch an exception at .Start() which is "The system cannot find the file specified". I am now doing: foreach (var fi in new DirectoryInfo(@"C:\Windows\System32\").GetFiles()) ...
i'm converting a classic asp website to .NET and could use some suggestions to this problem. original code: Dim oCountCMD oCountCMD = Server.CreateObject("ADODB.Command") With oCountCMD .ActiveConnection = Application("ConnString") .CommandText = "sp_GetSearchHistoryCount" .CommandType = .CommandType.StoredProcedure .oC...