开发者_JAVA百科Is there a way to create a custom attribute that will make EF CodeFirst use nvarchar(max) as datatype when assigned to a property of a poco class? I know this is possible via fluent api
I have an object with an array property that I want to persist in the database as a delimited string.How to I Map that property to the field in the database and vice versus?
I want to override the default nvarchar(4000) for one of my string columns to a text data type in SQL Express. I use 开发者_如何转开发this code.
select C.CenterID fromdbo.Center C inner join (select PersonID, max(EffectiveDate) as EffectiveDate fromCenter
I am using code-first POCOs with EF4, CTP5. I\'ve got a table with a lot of columns in it (over 100). I want to split the table into multiple types (aka \"Table Splitting\") so that I don\'t have to f
By code-first approach (but with an existing db schema), we are trying to map 2 different entities (Customer and Resource) to the same table. Both entities has the same keys and mapping.
I\'m using Entity Framework CTP5. I have a schema like this: A group contains many textdescriptions. A textdescriptions has many texts.
I\'ve got an EF4 entity (code-first) that includes an int bitmask. I\'ve created a Bitmask struct to make working with bitmasks easier (provides bool properties to access the bits). The bitmask struct
I\'ve seen model defined functions used in in-code queries (queries written by the developer using Linq etc) and I\'m wondering if there\'s any way to map a model-defined function to an entity propert
Note: This is a follow-up question for this previous question of mine. Inspired by this blog post, I\'m trying to construct a fluent way to test my EF4 Code-Only mappings. However, I\'m stuck almost