I am using the built-in My.Settings functionality in VB.NET to save application settings. This is very convenient but I notice that each time I release a new version, the settings are lost. Why and how can I prevent it? ...
I have two interfaces: Interface iContact Property ContactID As String Function Services() As System.Linq.IQueryable(Of iService) End Interface Interface iService Property ServiceID As String End Interface I have a host app that implements these (properties skipped for brevity): Class Contact Inherits iContact F...
I have many fields in the page and the last field is a dropdown with list of values. When I select an item in a dropdown and press Enter, it doesn't do the "Ok". Instead I have to manually click on Ok to Submit. How can I do by pressing Enter on my Keyboard rather than Clicking on "Ok" button after selecting the value from dropdown list....
How can I access the EXIF data stored in a Nikon NEF file? I can't seem to find a lib that will allow me to extract some basic information from the metadata. (Preferably without having to install the Nikon codec) ...
System.NullReferenceException: Object reference not set to an instance of an object. Making the Sitemap.CurrentNode work in my code is oddly a problem. I haven't figured out how to list code on STOF yet... so here is the code that will easily be displayed. Title: "localhost/home.aspx/about" Response.write(SiteMap.Curren...
I'm developing an application that detects Source-based games running on the LAN. Following up on the specifications provided by Valve, I have it narrowed down to exactly what I want: making a UDP connection on port 27015, sending an A2S_INFO query (0xFFFFFFFF followed by "TSource Engine Query") and parsing the binary reply. This is the...
Is it possible to hook up an event to another event in VB8? I have this code in C#... public event ShowAboutDialog = delegate {}; private void hookupEvents() { myButton.Click += ShowAboutDialog; } And am trying to convert it into VB8, but can't get it to work.. Public Event ShowAboutDialog As EventHandler Private Sub HookupEvents()...
Ok, so I need to find the date of Monday this week programmatically. For example, for this week Monday was on the 9th, so the date I need is: 09/11/2009 And when we roll over to next week it needs to calculate: 16/11/2009 I have tried doing this myself but I can't see how to do the arithmetic, thank you. ...
I use the streamreader to fill a datagridview. I need to sort the datagridview integer-wise and have tried to use the SortCompare event. To compare the row values i use the function Public Function CompareIntegers(ByVal value1 As String, ByVal value2 As String) As Integer Dim int1 As Integer = Integer.Parse(value1) Dim int2 As I...
I have two module-level variables and Linq query. I want the results of the Let clause to change the global variables - is this possible? For example: Dim X As Integer = 0 Dim Y As Integer = 0 Sub One() Dim query = From e In <picture> _ Let X = e.@x _ Let Y = e.@y _ Select <im...
In C#, I took the habit on clearing every subscriptions to my custom events in Dispose() to avoid memory leaks of subscribers forgetting to unsubscribe from my events. It was very simple to do, simply by calling MyEvent = null since the C# compiler automatically generates a delegate field. Unfortunately in VB.NET, there seems to be no s...
Hi Guys any help would be much appreciated. We have an application that’s installed at several locations but we are having an issue at one particular site. In short the application settings (My.) are not being saved after a reboot. The application is build in VB.Net v3.5 Framework and we are not experiencing any issues elsewhere. T...
I'm trying to improve performance of an application by introducing threading (see my earlier question). I have filled a Queue(of String) with XML messages and I now want to setup two threads to post these messages to a webserver). This process needs to ensure that each message is only posted once. Would a BackgroundWorker (or two) be sui...
For example Dim aInt as Integer should have the value as nothing instead of 0. ...
How to create an POST with the HttpWebRequest Class in VB.net (2008)? I can find exemples with text only but not with text and files. Thanks. ...
Outlook is causing some problems when being passed a mailto string with accented characters in it. Changing the codepage for my entire webpage that has this string on it solves this problem, but that causes other problems in the system, so I would not like to do that. A string like such returns a lot of garbage characters: "mailto:H...
I have a windows application and a php web application(not connected to internet all times), eventually data add/remove/update can happen at either places. So data has to be synchronized every day or manually. I have a small sqllite database file (less than 500K) in my end, and the php web app uses Mysql, the structures remain the same....
I have an application I am converting over from vb6 to vb.net 2.0/3.5. Using Subsonic 2.2 and the vb.net Interop Toolkit 2005. Cannot seem to get the .net form using subsonic to work inside the interop environment. It keeps saying it cannot find the subsonic service provider in the app.config. But I know it is there. Has anyone used thes...
I wrote a little (like 40 lines little) Winforms application with VB.net in Visual Studio 2010. Now I've released the code as a Google Code project. It's easy for a developer to get the source but I'd like to make it easy to install too. What I did was make a release build then zip up what it created, this included a setup.exe. There wa...
I modified a function that returns a strongly typed Ilist of products (from a web search form) from a stored procedure. Because of the complexity of the stored procedure I have changed it to return productcategories as well using the product results. I can get this into another strongly typed ilist but for the life of me I cannot return...