The Task and Task<TResult> types are already in the .NET Framework 4. A Task represents an ongoing activity, which may be CPU intensive work running on a separate thread, but may also represent an I/O operation, for example an outstanding response for an internet request. Task represents an activity without a result, and Task<TResult>, which
With the proposed new features, the asynchronous version of the code will instead look like this: public async Task<int> SumPageSizesAsync(IList<Uri> uris) { int total = 0; foreach (var uri in uris) { statusText.Text = string.Format("Found {0} bytes ...", total); var data = await new WebClient().DownloadDataAsync(uri); total += data.Length; } statusText.Text = string.Format("Found {0} bytes total",
The Microsoft Visual Studio Async Community Technology Preview introducing a new language feature in C# and VB, and a new framework pattern to go with it, that will make asynchronous programming similar to synchronous programming. This blog describes the limitations of the current callback based programming model for asynchrony, and provides overview to the new
What is a Parallel Query? Language-Integrated Query (LINQ) was introduced in the .NET Framework version 3.0 It features a unified model for querying any System.Collections.IEnumerable or System.Collections.Generic.IEnumerable data source in a type-safe manner. LINQ to Objects is the name for LINQ queries that are run against in-memory collections such as List and arrays. This article
Root Cause By default, when IIS is installed on any version of the Windows Server 2003 family, IIS only serves static content (HTML). Resolution To permit IIS to serve dynamic content, the administrator must unlock this content in the Web service extensions node in IIS Manager. To do this, the administrator must either enable a