Beispiel #1
0
        public void SetDataObject(object dataObject, DetailsView detailsView)
        {
            DataObject = dataObject;
            TypeDescriptionProvider typeDescriptionProvider;

            CustomTypeDescriptor = dataObject as ICustomTypeDescriptor;
            Type dataObjectType;

            if (CustomTypeDescriptor == null)
            {
                dataObjectType          = dataObject.GetType();
                typeDescriptionProvider = TypeDescriptor.GetProvider(DataObject);
                CustomTypeDescriptor    = typeDescriptionProvider.GetTypeDescriptor(DataObject);
            }
            else
            {
                dataObjectType          = GetEntityType();
                typeDescriptionProvider = new TrivialTypeDescriptionProvider(CustomTypeDescriptor);
            }

            // Set the context type and entity set name on ourselves. Note that in this scenario those
            // concepts are somewhat artificial, since we don't have a real context.

            // Set the ContextType to the dataObjectType, which is a bit strange but harmless
            Type contextType = dataObjectType;

            ((IDynamicDataSource)this).ContextType = contextType;

            // We can set the entity set name to anything, but using the
            // DataObjectType makes some Dynamic Data error messages clearer.
            ((IDynamicDataSource)this).EntitySetName = dataObjectType.Name;

            MetaModel model = null;

            try {
                model = MetaModel.GetModel(contextType);
            }
            catch {
                model = new MetaModel();
                model.RegisterContext(
                    new SimpleModelProvider(contextType, dataObjectType, dataObject),
                    new ContextConfiguration()
                {
                    MetadataProviderFactory = (type => typeDescriptionProvider)
                });
            }

            MetaTable table = model.GetTable(dataObjectType);

            if (detailsView != null)
            {
                detailsView.RowsGenerator = new AdvancedFieldGenerator(table, false);
            }
        }
        public void SetDataObject(object dataObject, DetailsView detailsView) {

            DataObject = dataObject;
            TypeDescriptionProvider typeDescriptionProvider;

            CustomTypeDescriptor = dataObject as ICustomTypeDescriptor;
            Type dataObjectType;

            if (CustomTypeDescriptor == null) {
                dataObjectType = dataObject.GetType();
                typeDescriptionProvider = TypeDescriptor.GetProvider(DataObject);
                CustomTypeDescriptor = typeDescriptionProvider.GetTypeDescriptor(DataObject);
            }
            else {
                dataObjectType = GetEntityType();
                typeDescriptionProvider = new TrivialTypeDescriptionProvider(CustomTypeDescriptor);
            }

            // Set the context type and entity set name on ourselves. Note that in this scenario those
            // concepts are somewhat artificial, since we don't have a real context. 

            // Set the ContextType to the dataObjectType, which is a bit strange but harmless
            Type contextType = dataObjectType;

            ((IDynamicDataSource)this).ContextType = contextType;

            // We can set the entity set name to anything, but using the
            // DataObjectType makes some Dynamic Data error messages clearer.
            ((IDynamicDataSource)this).EntitySetName = dataObjectType.Name;

            MetaModel model = null;
            try {
                model = MetaModel.GetModel(contextType);
            }
            catch {
                model = new MetaModel();
                model.RegisterContext(
                    new SimpleModelProvider(contextType, dataObjectType, dataObject),
                    new ContextConfiguration() {
                        MetadataProviderFactory = (type => typeDescriptionProvider)
                    });
            }

            MetaTable table = model.GetTable(dataObjectType);

            if (detailsView != null) {
                detailsView.RowsGenerator = new AdvancedFieldGenerator(table, false);
            }
        }