Code First Data Annotations - EF6
Note EF4.1 Onwards Only - The features, APIs, etc. discussed in this page were introduced in Entity Framework 4.1. If you are using an earlier version, some or all of this information does not apply. The content on this page is adapted from an article originally written by Julie Lerman (<http://thedatafarm.com>). Entity Framework Code First allows you to use your own domain classes to represent th
Entity Framework on delete cascade
I have problem with deleting related rows in Entity Framework 4.1. I have tables with relations Book 1<--->* BookFormats I have set the on delete cascade: ALTER TABLE [dbo].[BookFormats] WITH CHECK ADD CONSTRAINT [FK_BookFormats_Book] FOREIGN KEY([BookID]) REFERENCES [dbo].[Book] ([BookID]) on delete cascade The EDMX property Then, I want to remove the all BokFormats items related to my Book objec
Deploying and Configuring ODP.NET to work without installation with Entity Framework
This answer summarizes (hopefully) all the steps required, many of which documented in various places online and might save someone hours of Googling. A. How to deploy and configure Oracle.DataAccess.Client. A.1. Download ODAC112030Xcopy_64bit.zip or ODAC112030Xcopy_32bit.zip. A.1.1. Extract the content of the following folders within the zip file into your application/host's bin/setup folder: A.1
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photo credit: billaday via photopin cc EntityFrameworkã§ã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã®å®Ÿè£…ã£ã¦ã€å…¨ãçã—ã„話ã§ã¯ç„¡ã„ã®ã§ã™ãŒã€‚ TransactionScopeを使ã£ã¦å®Ÿè£…ã—ã¾ã—ãŸã€‚ Try Using ts As New Transactions.TransactionScope 'ã“ã“ã«ãƒ‡ãƒ¼ã‚¿ã®ç™»éŒ²ã¨ã‹å‰Šé™¤ã¨ã‹æ›´æ–°ã®å‡¦ç† ・・・ 'コミット ts.Complete() End Using Catch ex As Exception '例外ãŒç™ºç”Ÿã™ã‚‹ã¨ãƒãƒ¼ãƒ«ãƒãƒƒã‚¯ã•ã‚Œã¾ã™ Throw ex End Try 当ãŸã‚Šå‰ã§ã™ãŒã€Usingã§ã—ã£ã‹ã‚Šå›²ã‚“ã©ãã¾ã—ょã†ï½— 環境ã¯VisualBasic 2010ã€.NET Framework4.0ã€Oracle11gã€ODP.NET。
Code First to a New Database - EF6
This video and step-by-step walkthrough provide an introduction to Code First development targeting a new database. This scenario includes targeting a database that doesn’t exist and Code First will create, or an empty database that Code First will add new tables to. Code First allows you to define your model using C# or VB.Net classes. Additional configuration can optionally be performed using at
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Entity Framework (EF) Code First Cascade Delete for One-to-Zero-or-One relationship
Mapping Columns in Entity Framework Code First
EntityFramework CodeFirst Mapping to have camel case in the database
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