3 ADO Net Object Model 6 Data Set

3. Структура на ADO. Net Object Model

6. Data. Set

7. Компоненти на Data. Set Компонент Описание Data. Table. Collectiond It contains all the tables retrieved from the data source. d Data. Relation. Collectio It contains relationships and the links between tables in a data set. n It contains additional information, like the SQL statement for retrieving Extended. Properties data, time of retrieval, etc. It represents a table in the Data. Table. Collection of a dataset. It consists of the Data. Row and Data. Column objects. The Data. Table objects are case. Data. Table sensitive. It represents a relationship in the Data. Relationship. Collection of the dataset. It is used to relate two Data. Table objects to each other through Data. Relation the Data. Column objects. Data. Row. Collection It contains all the rows in a Data. Table. Data. View It represents a fixed customized view of a Data. Table for sorting, filtering, searching, editing and navigation. Primary. Key It represents the column that uniquely identifies a row in a Data. Table. Data. Row It represents a row in the Data. Table. The Data. Row object and its properties and methods are used to retrieve, evaluate, insert, delete, and update values in the Data. Table. The New. Row method is used to create a new row and the Add method adds a row to the table. Data. Column. Collectio

8. Практическа задача 1 Data. Grid. View Combo. Box Text. Box