public CustomObjectDataSource(IEnumerable <IBusinessObject> businessObjects)
: base()
{
this.businessObjects = businessObjects;
IBusinessObject b = businessObjects.First();
businessObjectType = b.GetType();
TypeName = "Caisis.BOL.ObjectDataSourceAdapter`1[[" + businessObjectType.FullName + ",Caisis.BOL]],Caisis.BOL";
ObjectCreating += new ObjectDataSourceObjectEventHandler(CustomObjectDataSource_ObjectCreating);
Inserting += new ObjectDataSourceMethodEventHandler(CustomObjectDataSource_Inserting);
Updating += new ObjectDataSourceMethodEventHandler(CustomObjectDataSource_Updating);
Updated += new ObjectDataSourceStatusEventHandler(CustomObjectDataSource_Updated);
Deleting += new ObjectDataSourceMethodEventHandler(CustomObjectDataSource_Deleting);
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
DataObjectType = BuildManager.GetType(DataObjectTypeName, true);
// Make a generic type to give us a unique key to pass to the MetaModel API
Type contextType = typeof(DummyContext <>).MakeGenericType(DataObjectType);
// Set the context type and entity set name on ourselves. Note that in this scenario those
// concept are somewhat artificial, since we don't have a real context. We can set the entity set name
// to anything, but using the DataObjectType makes some Dynamic Data error messages clearer.
((IDynamicDataSource)this).ContextType = contextType;
((IDynamicDataSource)this).EntitySetName = DataObjectType.Name;
MetaModel model = null;
try {
model = MetaModel.GetModel(contextType);
}
catch {
var contextConfiguration = new ContextConfiguration()
{
MetadataProviderFactory = (type => new InMemoryMetadataTypeDescriptionProvider(type, new AssociatedMetadataTypeTypeDescriptionProvider(type)))
};
var typeDescriptionProvider = contextConfiguration.MetadataProviderFactory(DataObjectType);
var typeDescriptor = typeDescriptionProvider.GetTypeDescriptor(DataObjectType);
model = new MetaModel();
model.RegisterContext(
new SimpleModelProvider(contextType, DataObjectType, typeDescriptor),
contextConfiguration);
}
Inserted += new ObjectDataSourceStatusEventHandler(DynamicObjectDataSource_Inserted);
Updated += new ObjectDataSourceStatusEventHandler(DynamicObjectDataSource_Updated);
}
