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Defensive database context for multi-tenant ASP. NET Core applications.

In multi-tenant applications where tenants share same data store cross-tenant operations must be avoided. There are many ways how bugs like this can happen. #06:40 04.09.2017 kanalilt DT blogi


Unit testing multi-tenant database provider

My saga on supporting multiple tenants in ASP. NET Core web applications has come to point where tenants can use separate databases. It’s time now to write some tests for data context to make sure it behaves correct in unexpected situations. #07:36 29.08.2017 kanalilt DT blogi


Handling missing tenants in ASP.NET Core

My last post about multi-tenants applications with ASP. NET Core Implementing database per tenant strategy on ASP. NET Core I proposed some ideas about tenant providers but I didn’t focused on issues related to missing tenants. #06:00 24.08.2017 kanalilt DT blogi


Implementing database per tenant strategy on ASP.

Let’s continue with multi-tenancy in ASP. NET Core web applications and focus on solutions where every tenant has its own database. It’s not only about database – there can be more services where every tenant has its own instance. #06:22 23.08.2017 kanalilt DT blogi


Implementing tenant providers on ASP.NET Core

In my previous post about global query filters in Entity Framework 2. 0 I proposed an idea how to automatically apply query filters to all domain entities when model is built so enitites are always coming from the same tenant. #06:29 22.08.2017 kanalilt DT blogi


Using bearer tokens in ASP.NET Core

There are not much examples available about ASP. NET Core and acquiring access token. I found good and pretty big sample by Microsoft Patterns & Practices called multitenant-saas-guidance, Based on this I wrote my simple “boiler plate” ASP. #06:34 21.08.2017 kanalilt DT blogi


Hiding search suggestion in Search Results Web Part

I have page in SharePoint where users can search for specific type of items and see different results in Search Results Web Parts. The page I have has eight results web parts and when nothing is found I want to keep results web parts laconic and minimal so they don’t waste space on screen. #05:38 18.08.2017 kanalilt DT blogi


ASP. NET Core: Building enum provider to convert C# enums to JavaScript.

My previous post about ASP. NET Core and getting C# enums to JavaScript was primitive and used simple attribute on enums to detect ones we need in JavaScript. #05:30 17.08.2017 kanalilt DT blogi


Global query filters in Entity Framework Core 2.0

Entity Framework Core 2. 0 introduces global query filters that can be applied to entities when model is created. It makes it easier to build multi-tenant applications and support soft deleting of entities. #05:00 16.08.2017 kanalilt DT blogi


Like-operator in Entity Framework Core 2.0

Entity Framework Core 2. 0 was announces yesterday and it brings some new and cool features. One of them is SQL Like-operator we can use now using directly in our code. Here is the simple web application that demonstrates using of new Like-operator. #07:11 15.08.2017 kanalilt DT blogi


.NET Core, ASP.NET Core, EF Core and .NET Standard 2.0 announced

Today Microsoft announced versions 2. 0 of . NET Standard, . NET Core, ASP. NET Core and Entity Framework Core. Also new updated to Visual Studio 2017 are available (both stable and preview version). This blog post is summary of most important features announced today. . NET Standard 2. 0. #07:02 14.08.2017 kanalilt DT blogi

ASP.NET Core: Converting C# enums to JavaScript

In my previous posts about enums I covered how to convert C# enums to JavaScript on classic ASP. NET MVC. This blog post introduces how to do it on ASP. NET Core using simple view component. To get better understanding about my previous work on getting C# enums to JavaScript on classic ASP. #06:33 14.08.2017 kanalilt DT blogi


Converting System.Drawing.Color to hex

One quick code note to make during building my Azure Cognitive Services demo application. I needed a way how to convert colors of System. Drawing to hex strings that I can use in views. Here is my simple and elegant solution. #05:40 11.08.2017 kanalilt DT blogi


Controlling LifeCam Cinema on Raspberry Pi

After some Windows 10 IoT Core updates I discovered that it detected LifeCam Cinema camera connected to it. I tried it also few months ago but then Windows 10 IoT Core was not able to detect it. #06:00 10.08.2017 kanalilt DT blogi


Converting multiple C# enums to JavaScript

My last solution to turn C# enums to JavaScript was simple but needed some additional work to support multiple enums better. After some playing with different approaches I found simple one that works okay for me. #06:00 09.08.2017 kanalilt DT blogi


Identifying people on photos using Azure Cognitive Services

My previous post about Azure Cognitive Services described how to detect faces on photos. In this post I will focus on identifying people on photos. #06:00 08.08.2017 kanalilt DT blogi


Converting C# enums to JavaScript

In one of my project I need some enums defined in C# to able also for JavaScript code. After some quick research in internet I came out with simple and easy extension method to convert C# enums to JavaScript. Here it is. #06:17 07.08.2017 kanalilt DT blogi


Running PHP applications on .NET Core

Ever wondered about mixing up simplicity and flexibility of PHP with power and performance of . NET Core? The solution is coming and it is called Peachpie, the successor of Phalanger. This blog posts introduces Peachpie – the tool to compile PHP code to. #06:00 01.08.2017 kanalilt DT blogi


Wikis are coming to Visual Studio Team Services

Finally wikis are coming to Visual Studio Team Services. It was announced by Microsoft DevOps Blog earlier this month. Currently wikis are in preview status. This blog post is short overview of what is there and what is coming next. #08:49 21.07.2017 kanalilt DT blogi


Faking Azure ID identity in ASP. NET Core unit tests.

When testing ASP. NET Core controllers in application that uses Azure AD we need usually current user at least for some tests. As there is no authenticated user when unit testing, we need to create one by our own. This blog post shows how to create claims identity for ASP. NET Core unit tests. #07:16 20.07.2017 kanalilt DT blogi