many-to-many

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Is there a good way to bind a .NET CheckBoxList to a Many-To-Many relationship?

I\'ve got a fairly simple .NET WebForms object edit form which is databound to a database. However, I\'ve now got a many-to-many relationship that I need to implement in the form as well. In short, fo[详细]

2023-04-03 09:45 分类：问答
How to make the active record many to many relationship easier to develop in codeigniter?

I have the table like this: [Note] [id] [Note_Tag_list] [Note_id] [Tag_id] [Tag] [id] Is there any active record to let me ONLY join these three tables?[详细]

2023-04-03 05:40 分类：问答
django: How to order the queryset on a field in ManyToManyField (through) related models

I have these models class Region (models.Model): name = models.CharField (max_length = 255, blank = False)[详细]

2023-04-02 20:09 分类：问答
SQL Server - Get all children of a row in many-to-many relationship?

I\'m trying to write a recursive query in SQL Server that basically lists a parent-child hierarchy from a given parent. A parent can have multiple children and a child can belong to multiple parents s[详细]

2023-04-02 15:47 分类：问答
Many to many relationships in JSON

Consider this scenario: You want to send some data to the client in JSON format, and you don\'t want to go back to the server. The data consists of 15 teachers with 100 students. The relationship bet[详细]

2023-04-02 13:52 分类：问答
Spring Security on Grails and Tomcat Security with Realms

I am on the current Grails version 1.3.7, programming against a legacy DB schema on a pretty recent version of mySQL. There are tables for the user and the roles and a third table to link the two in m[详细]

2023-04-02 13:27 分类：问答
How to query many to many relationship in NHibernate?

I am very new to NHibernate, and I would like to start development using this great technology. Below is my table relation ship:[详细]

2023-04-02 12:09 分类：问答
Multiple relationships with single mapping table without generating foreign keys by Hibernate

I have two base abstract classes and there are multiple additional classes derived from these two, adding additional attributes etc.[详细]

2023-04-02 09:07 分类：问答
Another many-to-many relationship question

My database includes a Customer and a Subcategories table. Customers can belong to one-or-more Subcategories (and of course there are one-or-more Customers for any Subcateg开发者_如何学Pythonory).[详细]

2023-04-02 07:56 分类：问答
MySQL Many-to-Many Relationship Select Conditions

I have two tables books and tags which are in a many-to-many relationship via the table books_tags. What I want to do is select all books that have one or more tag(s) like \'%tag%\'. No problem. Howev[详细]

2023-04-02 01:56 分类：问答