Dropthings
– my open
source Web 2.0 Ajax Portal has gone through a technology
overhauling. Previously it was built using ASP.NET AJAX, a little
bit of Workflow Foundation and Linq to SQL. Now Dropthings boasts
full jQuery front-end combined with ASP.NET AJAX
UpdatePanel, Silverlight widget, full
Workflow Foundation implementation on the business
layer, 100% Linq to SQL Compiled Queries on the
data access layer, [...]
Posts Tagged ‘workflow’
Web 2.0 AJAX Portal using jQuery, ASP.NET 3.5, Silverlight, Linq to SQL, WF and Unity
Memory Leak with delegates and workflow foundation
Recently after Load Testing my open source project Dropthings, I
encountered a lot of memory leak. I found lots of Workflow
Instances and Linq Entities were left in memory and never
collected. After profiling the web application using .NET Memory Profiler, it showed the real picture:
It shows you that instances of the several types are being
created but not [...]
Strongly typed workflow input and output arguments
When you run a Workflow using Workflow Foundation, you
pass arguments to the workflow in a Dictionary form where
the type of Dictionary is Dictionary.
This means you miss the strong typing features of .NET languages.
You have to know what arguments the workflow expects by looking at
the Workflow public properties. Moreover, there’s no
way to make arguments required. You [...]
My first book – Building a Web 2.0 Portal with ASP.NET 3.5
My first book “Building a Web 2.0 Portal with ASP.NET 3.5” from
O’Reilly is published and available in the stores. This book
explains in detail the architecture design, development, test,
deployment, performance and scalability challenges of my open
source web portal Dropthings.com. Dropthings is a prototype of a web
portal similar to iGoogle or Pageflakes. But this portal is developed [...]
