31 12 2011
I have events web site where I want to show events start and end time to visitors. I wrote simple extension method called DisplayTimeRange() to display event time range on user-friendly manner. My goal is to show times as 01.01.2012 10:00 – 14:00 and 01.01.2012 15:00 – 01.03.2012 18:00. It’s practically displaying time ranges is shortest possible way. In this posting I will show you how to do it using extension method.
31 12 2011
You may get the following error when deploying your web application from Visual Studio to Windows Azure using WebDeploy: Remote agent could not be contacted. Make sure the remote agent service is installed and started on the target computer.
An unsupported response was received. The response header ‘MSDeploy.Response’ was ” but ‘v1’ was expected.
The request was aborted: The request was canceled.
COM object that has been separated from its underlying RCW cannot be used.
30 12 2011
You may get the following error when creating data scripts with MSSQL 2008: The selected database contains foreign keys that create a cycle. Publishing data only is not supported for databases with cyclical foreign key relationships. This problem is caused by self-referencing tables and it is given even if you don’t export data from one of such tables. Here is simple and very dirty solution.
29 12 2011
SharePoint 2010 has powerful client object model that you can use to write external applications that use SharePoint data. In this posting I will show you how to get data from lists using client object model and how to optimize queries to save some bandwidth.
29 12 2011
I found very good blog post by Andy Cross’ Blog where he describes how to deploy multiple web sites in a single Windows Azure web role. I like the idea but there are some things that should be understood and done differently if you plan to use same web role for totally different web applications that you want to run on your Windows Azure instance. In this posting I will show you how to deploy independent web applications to Windows Azure instance using single web role.
29 12 2011
Out-of-band security update will be published for ASP.NET tomorrow. Security update will solve publicly known DoS issue that exists in all versions of ASP.NET. Update will be delivered through Windows Update and Windows Server Update.
28 12 2011
After building up my home network where XBox streams media from Windows Home Server using Windows Media Center I was very happy with my solution. Over weeks and months of active consuming of my media I found a lot of things that need to be improved or fixed. I am still happy but sometimes I’m looking already for alternatives. Here is my TOP5 wishlist for Microsoft people who build consumer media products.
18 12 2011
I wanted to get my Windows Home Server configured correctly for web so I have valid certificate by Microsoft and I can use subdomain service they are offering. As my home network is not default that is expected by Windows Home Server (no direct access to router that is connected to web) I had to trick my WHS a little bit. In this posting I will show you how to get Windows Home Server work with Microsoft address (http://something.homeserver.com) if it is not connected directly to router that has access to web.
8 12 2011
In one of my applications I have to use week numbers as properties of business classes that are persisted to database using NHibernate. Week numbers are used in UI and users can filter and sort data by week numbers. In this posting I will show you how to make SQL Server deal with week numbers and how to use them in your domain model.
30 11 2011
When running some of your Windows Azure applications when storage emulator is not configured you may get the following error: “Windows Azure Tools: Failed to initialize Windows Azure storage emulator. Unable to start Development Storage. Failed to start Storage Emulator: the SQL Server instance ‘localhost\SQLExpress’ could not be found. Please configure the SQL Server instance for Storage Emulator using the ‘DSInit’ utility in the Windows Azure SDK.”. Here’s how to solve this problem.
28 11 2011
As there are still bloggers who use CopySourceAsHtml add-on for Visual Studio to get syntax highlighted code to their blog posts and there is no guidance in CSAH site how to make it work with Visual Studio 2010 I will give my guidance here. Almost all code in this blog is syntax highlighted by this add-on.
19 11 2011
In one of my current projects I have to show reports based on SQL Server views. My code should be not aware of data it shows. It just asks data from view and displays it user. As WebGrid didn’t seem to work with DataTable (at least with no hocus-pocus) I wrote my own very simple view that shows contents of DataTable.
11 11 2011
.NET Framework 4.0 introduced new class called Lazy and I wrote blog post about it: .Net Framework 4.0: Using System.Lazy. One thing is annoying for me – we have to keep lazy loaded value and its value loader as separate things. In this posting I will introduce you my Lazy wrapper for complex to get system parameters that uses template method to keep lazy value loader in parameter class.
10 11 2011
When using Jira web service methods that operate on work logs you may get the following error when running your .NET application: Object of type System.Xml.XmlNode cannot be stored in an array of this type. In this posting I will show you solution to this problem.
10 11 2011
Some of our business classes are used to fill dropdown boxes or select lists. And often you have some base class for all your business classes. In this posting I will show you how to use base business class to write extension method that converts collection of business objects to ASP.NET MVC select list items without writing a lot of code.
13 10 2011
My last posting about ASP.NET 4.5 introduced how to use strongly typed controls to display data. Using strongly typed presentation layer templates is not the only thing that model binding is good for. From ASP.NET MVC we know how convenient it is when model binders are also able to update our objects when they are […]
13 10 2011
ASP.NET Forms 4.5 Preview introduces us model binding for web forms. Web developers who are familiar with ASP.NET MVC already know what model binding is and how powerful it is. Model binding means framework ability to construct objects of known types using values from presentation layer. In this posting I will show you how to use model binding with ASP.NET Forms 4.5.
18 09 2011
One new features of ASP.NET MVC 4 is support for display modes. This means that you can conditionally show different output to different user agents like desktop and mobile browsers. Of course, you can define your own custom rules too. In this posting I will show you how display modes work and explain how to use them in your ASP.NET MVC applications.
18 09 2011
ASP.NET MVC 4 Developer Preview introduces also new template for mobile web applications. These templates are special because they are using jQuery Mobile – special jQuery library for building mobile user interfaces. In this posting I will show you how new mobile web application template looks like.
16 09 2011
I’m playing with ASP.NET MVC 4 Developer Preview. There is new default application template available for ASP.NET MVC 4 web applications. New template is modern, has better look than current one and has better support for different screen sizes. In this posting I will show you how new template looks like.