model-associations

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mapping Properties in Entity Framework without PK?

I tried to create a EF-Model(VS2010, .NET4) with 3 Tables, each Table with a PK called Sync_ID. TABLE_HEAD: (Sync_ID (PK), GRID_ID int, SERIALNUMBER int, YEAR int)[详细]

2023-03-22 03:37 分类：问答
Rails Rich Association - Overwriting to association model

Suppose we have three models PATIENTS, NURSES, and their association model APPOINTMENTS. This week all patients have to meet with their nurses.[详细]

2023-03-20 01:58 分类：问答
get parent values in child model

I have a model called RsvpRegistrations with belongs_to :rsvp I need to use values from the parent \'rsvp\' object in my validations such as[详细]

2023-03-19 15:35 分类：问答
ExtJS 4: Models with Associations and Stores

Introduction I\'m facing an application design problem with the Ext.data.Model class in ExtJS. I will try to develop my ideas to a very common online store scenario here, so you can follow me. I woul[详细]

2023-03-18 18:04 分类：问答
extjs 4 XTemplate class associations

I\'m testing out extjs 4 and I have stumbled upon something, I can\'t seem to figure out. I have simple object association: Snapshot- hasMany-> Model[详细]

2023-03-15 08:32 分类：问答
rails3 and the proper way to use associations

I\'m doing my first rails(3) application. Associations don\'t make sense. First, even the rails guides don\'t[详细]

2023-03-13 09:02 分类：问答
How to pass more than one constructor argument in a build_association call in Rails 3?

The second argument in the build_foo call never makes it into Foo#initialize (i.e. args[1] is nil开发者_StackOverflow). Any suggestions so as to get two or more arguments passed into Foo#initialize wh[详细]

2023-03-13 00:18 分类：问答
Using a LINQ Where clause to filter by data in an associated table

I have two tables, Articles and Statuses that I have associated in a ctx.dbml file. Articles id:int title:varchar(255)[详细]

2023-03-11 04:40 分类：问答
Access Nested Backbone Model Attributes from Mustache Template

I have one Backbone model which has an attribute that is a reference to another Backbone model. For example, a Person has a reference to an Address object.[详细]

2023-03-10 03:15 分类：问答
Delete Rails model and its associations in one action? NEWBIE question

I have a really simple association with the Devise user object where each user has one Profile (with more application specific stuff...)I am having no issues creating the User object and accessing the[详细]

2023-03-08 13:09 分类：问答