ASP.NET Core, Blazor, .NET, Azure, SharePoint, IoT
I found very good jQuery component called FullCalendar. My special favorites are agenda views because they make this calendar really useful in business applications. In this posting I will show you how to use FullCalendar with ASP.NET MVC.
Read moreIn one of my sample projects I wrote simple calendar solution. Users can select dates from calendar and see what events they have on selected days. I used jQueryUI DatePicker and FullCalendar components. In this posting I will show you how to link them together.
Read moreAbout week ago I introduced IIS Application Warm-up Module. ASP.NET 4.0 provides separate mechanism for same purposes. ASP.NET 4.0 application warm-up is different and if you like you can use both warm-up methods together. In this posting I will show you how to make ASP.NET 4.0 application warm-up work.
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Currently it is not possible to make changes to web.config file that is hosted on Windows Azure. If you want to change web.config you have to deploy your application again. If you want to be able to modify configuration you must use web role settings. In this blog post I will show you how to write configuration wrapper class that detects runtime environment and reads settings based on this knowledge.
Read moreASP.NET Chart control is powerful control you can use to add charting support to your web applications. Although chart controls are mainly used with ASP.NET forms it is not very hard to use them also in ASP.NET MVC applications. In this posting I will show you how to use ASP.NET Chart control in ASP.NET MVC application and I will illustrate how to do it easily so you don’t mess up your views.
Read moreUntil now we can use ASP.NET default output cache. We don’t have any option to write our own output cache mechanisms. ASP.NET 4.0 introduces extensible output cache – programmers can write their own output cache providers. In this posting I will show you how to write your own output cache provider and give you my sample solution to download.
Read moreData validation is important topic in applications. There are many validation frameworks available and there should be one that you are happy with. I am currently playing withEnterprise Library 4.1 Validation Application Block and I am integrating it to my ASP.NET MVCapplication. In this posting I will show you how to use validation block in your ASP.NET MVC application.
Read moreCropping images in ASP.NET is easy task to do if you use right tools. In this posting I will introduce how to crop images using Jcrop and System.Drawing namespace classes. What we are building is simple and user-friendly image cropping interface that also demonstrates some simple features of Jcrop. Believe me, your users will love it!
Read morevCard is popular format for exchanging contacts. Besides e-mail clients also modern mobile phones are able to read and send
Read moreI 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.
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 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 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 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 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.
Read moreI wrote web part that uses Repeater control to create some repeating blocks of output. Each of these blocks has Button control in it. When I ran web part under SharePoint I got the following error: Invalid postback or callback argument. Event validation is enabled using in configuration or in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. Here is the solution.
Read moreI had to write some ASP.NET server controls for our current SharePoint portal project. We have very nice DIV-based layout and using standard components that generate table and a lot of JavaScript seems to me like an bad idea. I found out that server controls put container tags around their mark-up. I needed my own tags around output and I found a way how to achieve it.
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