datacontext

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in Silverlight DataGrid, CheckBox's DataContext sometimes null when Checked/Unchecked

I have a DataGrid.One of the columns is a template with a CheckBox in it.When the Checked or Unchecked events trigger, (it happens with both) the CheckBox\'s DataContext is sometimes null, which cause[详细]

2023-03-15 13:09 分类：问答
When clearing a root datacontext by removing from visual tree, binding further down the tree remains

[Silverlight] I have a large visual object tree I\'m removing from the visual tree (Grid.Children.Clear()), upon removal the DataContext of the root nulls out, but further down the tree a binding开发者[详细]

2023-03-15 04:15 分类：问答
How to configure mvc mini profiler with Linq to SQL?

I have configured mini profiler with asp.net mvc application. I also want to profile my db so I hooked it with L2S datacontext as in this example.[详细]

2023-03-14 13:16 分类：问答
I got a null reference exception on a Linq To SQL data context and I don't even really know where to start

I just deployed a users and roles asp database to a website and I\'m getting this exception Object reference not set to an instance of an object.[详细]

2023-03-14 08:29 分类：问答
ASP.NET MVC 3 child request kicks in before Entity Framework DatabaseInitializer finished creating tables and seeding the db?

I have an ASP.NET mvc3 application which is using ninject for DI. The app is making use of Entity Framework 4 and a database initializer that also seeds custom data into the db.[详细]

2023-03-13 01:09 分类：问答
Property in ViewModel not displayed in View

I have a ViewModel called MainWindowViewModel. In this I have a property that shows a modal window when an error occurs. This works fine as long as an error occurs during start-up.[详细]

2023-03-12 13:25 分类：问答
Linq-to-SQL: foreign key not accessible until transaction is committed

I\'ve found that with Linq-to-SQL, when you create a new object you can not access a foreign-key member until you have called SubmitChanges on the context the new object is being \"created with.\" I u[详细]

2023-03-10 22:45 分类：问答
MVC design issue

I\'m having an application using MVC. It has a canvas and property grid. When an item is selected in the canvas. The property grid should display its details.[详细]

2023-03-10 02:31 分类：问答
Can I define eager loading per datacontext instead per query?

Is there a way to define eager loading per entire data conte开发者_JAVA技巧xt, so I could state something like this -- \"when using this data context when loading Customer always load associated City[详细]

2023-03-08 17:27 分类：问答
How to generate DataContext for SQL Server Compact database?

I just started to use LINQ-to-SQL, so my problem may be trivial. We have a central database running on SQL Server 2005. There are distributed desktop .NET 4 applications which save measurement data i[详细]

2023-03-08 17:10 分类：问答