Contents tagged with Entity Framework
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Better solution for ASP.NET MVC checkbox list
Couple of years ago I worked out my first solution for checkbox list in ASP.NET MVC. Today I got some markable simplifications done and my solution is close to state where some nice-to-have tweaks can be done to add more automatics to controller side but solution is also good enough how it is like now. Let’s see how to get checkbox list functionality done with couple of simple steps.
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ASP.NET MVC: Getting selected values from CheckBoxList
In my last posting I introduced how to implement CheckBoxList in ASP.NET MVC. Showing checkbox list is one part of the story. When user saves the form then we have to update also data that was represented by CheckBoxList. In this posting I will show you how to update event tags collection when user saves event.
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Creating tag cloud using ASP.NET MVC and Entity Framework
I am building events site on ASP.NET MVC 3 and Entity Framework. Today I added tagging support to my site and created simple tag cloud. In this posting I will show you how my tag cloud is implemented. Feel free to use my code if you like it.
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ASP.NET MVC 3: Using controllers scaffolding
ASP.NET MVC 3 Tools Update introduces support for controllers scaffolding with views and data access code. Right now I am building one very simple web site for free tech events and as I am building it on ASP.NET MVC 3 I have good testing polygon right here. In this posting I will show you how controller scaffolding works and what is the end result.
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Getting MySQL work with Entity Framework 4.0
Does MySQL work with Entity Framework 4.0? The answer is: yes, it works! I just put up one experimental project to play with MySQL and Entity Framework 4.0 and in this posting I will show you how to get MySQL data to EF. Also I will give some suggestions how to deploy your applications to hosting and cloud environments.
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Returning paged results from repositories using PagedResult<T>
During my large database experiment I wrote simple solution for paged queries that I can use in my repositories. This far my experiments have shown pretty good results and I think it is time to share some of my code with you. In this posting I will show you how to create paged results using NHibernate and Entity Framework based repositories.
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Entity Framework 4.0: Creating objects of correct type when using lazy loading
In my posting about Entity Framework 4.0 and POCOs I introduced lazy loading in EF applications. EF uses proxy classes for lazy loading and this means we have new types that come and go dynamically in runtime. We don’t have these types available when we write code but we cannot forget that EF may expect us to use dynamically generated types. In this posting I will give you simple hint how to use correct types in your code.
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Entity Framework 4.0: Optimal and horrible SQL
Lately I had Entity Framework 4.0 session where I introduced new features of Entity Framework. During session I found out with audience how Entity Framework 4.0 can generate optimized SQL. After session I also showed guys one horrible example about how awful SQL can be generated by Entity Framework. In this posting I will cover both examples.
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LINQ To Entities, SQL and performance
I have introduced my photo gallery building process in couple of postings. As my gallery uses Entity Framework 4.0 it is good source for some internal processing that takes place inside Entity Framework. In this posting I will show you some LINQ To Entities queries and SQL that is generated for them. I added also some thoughts about performance.
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Entity Framework 4.0: Generating SQL script from model
Entity Framework 4.0 is able to generate database schema based on model. If you built your model first and you now want to create database for it you can use new Generate Database Script from Model feature. Let’s see how it works.