ASP.NET Core, Blazor, .NET, Azure, SharePoint, IoT
I am writing simple ASP.NET MVC system that I plan to publish with source code pretty soon. I needed some simple calendar component that doesn’t require ASP.NET server-side form to work. I found different JavaScript based calendars and only one pretty oldcalendar that was specially written for ASP.NET MVC. I updated it and here is the source and binary downloads for Visual Studio 2008 and ASP.NET MVC 1.0.
Read moreThere is new project in CodePlex called OpenForum. With source code you get also some samples you can run on your machine. OpenForum is pretty new and simple. There are no advanced forum features and currently it is suitable for smaller forums. You can change the look of OpenForum and write your own user repositories. Let’s see how OpenForum looks like.
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Today I tried to write my first unit tests under Visual Studio 2010. Just to see if Visual Studio testing system can now also be used for unit tests. Visual Studio 2008 had some annoying problems with test and I preferred to use nUnit instead. Visual Studio 2010 brings some good news – tests work. Take a look at my example.
Read moreAnalysis Patterns: Reusable Object Models is another create patterns book by Martin Fowler. The audience of this book are analysts whose work is analysis of information systems and modeling data structures. This book is also recommended reading for programmers and software designers.
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I needed to attach SQL Server 2008 database to server. There was no log file, just mdf. I don’t know why but it is not very easy to get this database online. After some digging in internet I found solution.
Read moreASP.NET pages that use AJAX components make usually many requests to server per one page to load all required JavaScript and CSS files. Connections, like all other real time resources, are most expensive to create and keep. If we can somehow decrease the number of requests per page load then we need less server resources for same amount of users. For ASP.NET forms we can use script combining, for ASP.NET MVC applications we can use ASP.NET MVC Client-side Resource Combine.
Read more.Net Framework 4.0 introduces memory mapped files. Memory mapped files are useful when you need to do in-memory data manipulation and your data structures are large. For large in-memory data the performance of memory mapped file is the best. It is much faster thanMemoryStream. And like files on hard disc, memory mapped files can be shared between different programs. MemoryMappedFile and other classes for memory mapped files can be found from System.IO.MemoryMappedFiles namespace.
Read moreVisual Studio 2010 introduces also some new debugging features. One of them is debug history. Debug history enables you to track all the points on track of control flow and it also monitors activities that you cannot see otherwise. It makes debugging of hard to find problems much easier, I think. Of course, there are many other new and cool debugging features available.
Read moreCouple of years ago I brought two books for my company. Today I can say that I made a small investment that still works pretty well. These books are titled as The Data Model Reosurce Book and author of these books is Len Silverston.
Read moreVisual Studio 2010 has very powerful web application packaging and deployment system. When deploying your web application you create the deployment package and then publish it to web server. After configuring it is one-click action to get current version of application up to target server. Let’s see how it works.
Read moreRecently I wrote about Visual Studio 2010 and multiple web.config files support. Let’s see now how to play with web.config transformation so we can use one configuration on development environment and the other for production environment.
Read moreHere is the list of all downloads available for Visual Studio 2010 and .NET Framework 4.0. Also learning and hosting resources are included.
Read moreDispForm.aspx that displays detail view of list item and EditForm.aspx that displays edit view of list item are not customizable by default. You can move to these pages but there is no Edit option in Site Actions menu. But it still possible to customize these pages, add new web parts there and so on. All you need is your web browser.
Read moreToday I found something weird. I tried to add some new views to my ASP.NET MVC solution but there were no ASP.NET MVC items in new items dialog. All the other ASP.NET MVC projects had no problem like this. Solution is simple.
Read moreVisual Studio 2010 has support for multiple web.config files. It is one feature of new web application packaging and deployment system. We can create now separate web.config files for each configuration we have for application.
Read moreI’m trying out Azure Training Kit examples to study cloud stuff that should hit the streets (or sky) later this year. I faced some trouble when trying to connect with .Net Service Bus using settings mentioned in examples (netTcpRelayBinding and CardSpace). I tried hard but CardSpace authentication failed every time. My final solution was simple: I moved to username and password authentication scheme.
Read moreClient-side ID-s of ASP.NET controls have been problem for a long time. They are hard to predict and guess. Fool-proof method that uses JavaScript block that defines client-side ID-s as variable values is not very elegant. Today’s web applications use client-size scripting heavily and now ASP.NET 4.0 provides us with elegant features to handle client-size ID-s of controls to make client-side scripting easier for us. Let’s see quick example.
Read moreI have class library that contains some XML-files as embedded resources. Reading these files at runtime is very easy. It takes only couple of lines of code.
Read moreAnother new SEO feature that ASP.NET 4.0 introduces is support for meta description and keywords. I think these are the most abused SEO features ever and search engines are very careful when considering these meta tags but I am very sure that there are still engines that respect those tags and that’s what makes these new features very useful.
Read moreASP.NET 4.0 introduces some SEO improvements. Response has now new method calledRedirectPermanent(). This method performs same redirect as Response.Redirect() but it uses response code 301. You can find more information about HTTP response codes from HTTP 1.1 specification, chapter 10. Status Code Definitions.
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My previous posting was about performance of Fibonacci numbers algorithms. In this posting I will introduce you some problems related to limits of our usual integers and introduce you new feature in .Net Framework 4.0 – big integers. Big integers are useful when solving different mathematical problems. Also they are used in cryptography.
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