I am developing a Java Desktop Appli开发者_JAVA百科cation and using JPA for persistence. I have a problem mentioned below:
It seems to me that I have to retrieve an object before I delete it with entity framework like below var customer = context.Customers.First(c => c.Id == 1);
I\'ve just started using EF in VS2010. That thing is just amazin\'. I frankly can\'t understand something. For example I have EntityType with property, they generated from database structure.
I have 2 Entities \"UserProfile\" and \"Agent\", they are 1-many relationship. I want to do a query to get a list of Agents by giving the userProfileEntityKey.When I run it, I got this \"The specified
In our project we have a requirement that when a开发者_JAVA技巧 set of records are returned by the database the records should be sorted with respect to the TITLE field in the record. The records will
I\'ve got a DAO that I used to load and save my domain objects using JPA. I finally managed to get the transaction stuff working, now I\'ve got another issue.
With the following entity relationship structure I\'m struggling to figure out if the relationship between the LOAN and ITEM entities is valid?
In Silverlight project I have this exception when I tried to Add a new object to a DataGrid when a button is clicked.
I have a textarea within an HTML page into which my users paste content. There is often an \"–\" (&ndash开发者_JAVA百科;)(\\x2013) embedded in that content.I need to detect and replace it a
I\'m impleme开发者_如何学Pythonnting equals(), hashCode() and toString() of my entities using all the available fields in the bean.
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