http://www.cmb-web.co.uk Thu, 05 Aug 2010 20:17:37 +0000 http://backend.userland.com/rss092 en You can format text strings directly in the XAML code of a WPF application. For example, you can use standard .NET formatting such as currency and date: <TextBlock Text="{Binding Amount, StringFormat={}{0:C}}"/> <TextBlock Text="{Binding Date, StringFormat={}{0:dd/MM/yyyy}}"/> The empty {} after the StringFormat= escapes the text before the formatting string. You can add text in front of ... http://www.cmb-web.co.uk/index.php/2010/08/formatting-text-directly-in-xaml/ When unit testing applications you write tests for the exposed public methods.  Philosophically this is correct as you need to test the functionality exposed by your class to the consuming application, and any private or internal functions that use functionality that also needs testing should be discrete from this class. ... http://www.cmb-web.co.uk/index.php/2010/08/unit-testing-internal-methods/ To restrict the input for an EditText to a numeric value, you can add the following to the layout file: <EditText ... android:singleLine="true" android:inputType="numberDecimal" ... > Then use, for example, Double.parseDouble(...) to retrieve the value in code. Incidentally, the documentation recommends avoiding floats and using double instead. http://www.cmb-web.co.uk/index.php/2010/07/android-numeric-input/ When you build and run your Android application in Eclipse you can get the following error message: ...res\layout\main.out.xml:1: error: Error parsing XML: no element found This occurs when you try and run the application from the main.xml layout file. The application cannot run from here and needs to be run from the ... http://www.cmb-web.co.uk/index.php/2010/04/mainoutxml-error-parsing-xml-no-element-found/ This is an error encountered by one of my team when trying to run up a WCF host on a Windows Vista machine.  The actual exception is an AddressAccessDeniedException with the error message HTTP could not register URL http://+:80/. Your process does not have access rights to this namespace (see http://go.microsoft.com/fwlink/?LinkId=70353 for details) The ... http://www.cmb-web.co.uk/index.php/2010/03/error-registering-wcf-host-in-windows-vista-http-could-not-register-url-http80/ Quick code sample for transforming a .NET System.Drawing.Image into a byte array: public byte[] imageToByteArray(Image imageIn) {     MemoryStream ms = new MemoryStream();     imageIn.Save(ms,System.Drawing.Imaging.ImageFormat.Gif);     return ms.ToArray(); } and conversely, turning a byte array into an image: public Image byteArrayToImage(byte[] byteArrayIn) {     MemoryStream ms = new MemoryStream(byteArrayIn);     Image returnImage = Image.FromStream(ms);     return returnImage; } http://www.cmb-web.co.uk/index.php/2010/03/c-image-from-a-byte-array-and-back-again/ I recently had cause to use an ActiveX control in a Windows Forms project.  I was actually building a WPF application, that required a specific control that was ActiveX based.  This is not a very pretty thing; I wrapped the control in a Windows Forms user control within a WPF User ... http://www.cmb-web.co.uk/index.php/2010/01/class-not-registered-error-in-windows-7-for-activex-control/ Creating nested master pages in ASP.NET MVC is straight forward, but slightly different to that in normal ASP.NET. First, delete the two code behind files.  Second, you need to alter the page header to remove the references to the codefile and alter the inherits. Change the standard file from: <%@ Master Language="C#" MasterPageFile="~/Views/Shared/Site.master" AutoEventWireup="true" ... http://www.cmb-web.co.uk/index.php/2010/01/aspnet-mvc-nested-master-pages/ In Microsoft SQL Server 2005, Microsoft introduced the command line tool sqlcmd to replace osql. The SQL Server Management Studio allows you to run your scripts in 'sqlcmd mode' in the query window.  This allows you to take advantage of the syntax colour coding and variables, while developing and testing sqlcmd ... http://www.cmb-web.co.uk/index.php/2009/08/sqlcmd-mode-in-sql-server-management-studio/ If you try and execute a number of sql statements in one go using the SqlCommand object, you will receive a SqlException: "Incorrect syntax near..." when you call the ExecuteNonQuery(). This is because the "GO" statements cannot be executed within the script. The simple way around this is to break the ... http://www.cmb-web.co.uk/index.php/2009/08/executing-multiple-sql-statements-with-sqlcommand/