Programming Entity Framework - Cdn.oreilly.com

Determining Which Navigation Property Is Mapped to Which Foreign
Key Field 158
Mapping a Few Stored Procedures 159
Mapping the Insert Function 159
Mapping the Update Function 160
Working with Many-to-Many Relationships 163
Building the BreakAwayModel Project 165
Don’t Overlook the Assembly and Model Names 165
The Impact of Compiling a Project on an EDMX File 166
Summary 168
8. Data Binding with Windows Forms and WPF Applications . . . . . . . . . . . . . . . . . . . 169
Data Binding with Windows Forms Applications 169
Creating a Windows Forms Application 170
Using Windows Forms Data Sources to Help with Data Binding 171
Creating an Object Data Source for a Customer Entity 172
Getting the Entity’s Details onto the Form 175
Adding Code to Perform the EDM Query 175
Testing the Sample 178
Entities, BindingSources, and a Very Important Rule 178
Adding the Related EntityCollection to the Form 179
Allowing the User to Edit the Data 183
Editing the Navigation Properties (and Trimming Down the Query) 184
Adding New Customers 188
Data Binding with WPF Applications 193
Creating the WPF Form 194
Creating the New Project 194
Adding Code to Query the Entities That Drive the Form 195
XAML’s Role in Data Binding 197
Binding with the ListBox 197
Testing the Example 199
Selecting an Entity and Seeing Its Details 199
Adding Another EntityCollection to the Mix: Activities 201
Editing Trip Entities and Their Related Data 204
Adding Items to the Child EntityCollection 207
The Last Task: Adding New Trips to the Catalog 209
Summary 213
9. Working with Object Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Where Does Object Services Fit into the Framework? 215
Query Processing 216
From Query to Command Tree to SQL 217
A Better Understanding of Query Builder Methods 218
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