I have a block of code below. The allDone() method at the bottom should only be run if the allCompleted == true. It should run through each of the statements to test. allCompleted: This starts as true so the below logic works right. run*.Checked: This is based on a check box in a form. This … Read more
I have a Silverlight application that is building a URL. This URL is a call to a REST-based service. This service expects a single parameter that represents a location. The location is in the form of “city, state”. To build this URL, I’m calling the following code: string url = “http://www.example.com/myService.svc/”; url += HttpUtility.UrlEncode(locationTextBox.Text); If … Read more
IQueryable<Organization> query = context.Organizations; Func<Reservation, bool> predicate = r => !r.IsDeleted; query.Select(o => new { Reservations = o.Reservations.Where(predicate) }).ToList(); this query throws “Internal .NET Framework Data Provider error 1025” exception but the query below does not. query.Select(o => new { Reservations = o.Reservations.Where( r => !r.IsDeleted) }).ToList(); I need to use the first one because … Read more
Does anyone know how to create an animated gif using c#? Ideally I would have some control over the color reduction used. Is using imagemagick (as an external started process) the best choice? Answer This Gif Animation Creater code from https://github.com/DataDink/Bumpkit can set Delay foreach Frame: Uses .Net standard Gif Encoding and adds Animation headers. … Read more
After FxCop 10 Microsoft stopped shipping a separate installer for FxCop. Officially one can currently only run code analysis (FxCop 12.0 / 14.0 / 15.0) after installing Visual Studio 2013 / 2015 / 2017. However, we are adamant about not installing Visual Studio on the build agents (the installation needs then to be kept in-sync … Read more
There is a nice feature in ADO.NET that allows you to send multiple SQL statements to database in one roundtrip and receive results for all statements: var command = new SqlCommand(“SELECT count(*) FROM TableA; SELECT count(*) FROM TableB;”, connection); using(var reader = command.ExecuteReader()) { reader.Read(); resultA = reader.GetInt32(0); reader.NextResult(); reader.Read(); resultB = reader.GetInt32(0); } Is … Read more
I have an ASP.NET Web Api solution which doesn’t contain a Startup.cs class. I presume this is because the solution wasn’t created as an MVC solution. All the code for the startup is defined in the Global.asax.cs file as you can see below public class Global : HttpApplication { void Application_Start(object sender, EventArgs e) { … Read more
The StreamWriter.Close() says it also closes the underlying stream of the StreamWriter. What about StreamWriter.Dispose ? Does Dispose also dispose and/or close the underlying stream Answer StreamWriter.Close() just calls StreamWriter.Dispose() under the bonnet, so they do exactly the same thing. StreamWriter.Dispose() does close the underlying stream. Reflector is your friend for questions like this 🙂 … Read more
If I use an ObjectCache and add an item like so: ObjectCache cache = MemoryCache.Default; string o = “mydata”; cache.Add(“mykey”, o, DateTime.Now.AddDays(1)); I understand the object will expire in 1 day. But if the object is accessed 1/2 a day later using: object mystuff = cache[“mykey”]; Does this reset the timer so it’s now 1 … Read more
Let’s say I have a type, MyType. I want to do the following: Find out if MyType implements the IList interface, for some T. If the answer to (1) is yes, find out what T is. It seems like the way to do this is GetInterface(), but that only lets you search by a specific … Read more
