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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

How to: Create DataTables 

Data can be stored in memory in DataTable objects. (Datasets are made up of DataTable objects.) You typically create new data tables with TableAdapters using the TableAdapter Configuration Wizard or by dragging database objects from Server Explorer onto the Dataset Designer.

Data tables are created as a byproduct when you create new TableAdapters in the Data Source Configuration Wizard as well, but they can also be created independently. You create a standalone data table by dragging a DataTable object from the DataSet tab of the Toolbox onto the Dataset Designer.

NoteNote

To create data tables programmatically, see Creating a DataTable.

NoteNote

The dialog boxes and menu commands you see might differ from those described in Help depending on your active settings or edition. To change your settings, choose Import and Export Settings on the Tools menu. For more information, see Visual Studio Settings.

Creating a DataTable with TableAdapter

Data tables with TableAdapters include methods that fill the table with data and write changes back to the database. You create TableAdapters by running the TableAdapter Configuration Wizard or by dragging database objects from Server Explorer onto the Dataset Designer.

To create a new data table with TableAdapter

  1. Open your dataset in the Dataset Designer. For information, see How to: Open a Dataset in the Dataset Designer.

  2. Drag a TableAdapter from the DataSet tab of the Toolbox onto the Dataset Designer.

    The TableAdapter Configuration Wizard opens.

  3. Complete the wizard. For more information, see TableAdapter Configuration Wizard

To create a new data table with a TableAdapter from Server Explorer

  1. Open your dataset in the Data Source Designer.

  2. Drag a database object (for example, a table) from Server Explorer onto the Dataset Designer.

Creating a Standalone DataTable

Standalone tables need to have Fill logic implemented in order to be filled with data. For information on filling standalone data tables, see Populating a DataSet from a DataAdapter.

To create a new stand alone data table

  1. Open your dataset in the Dataset Designer.

  2. Drag a DataTable from the DataSet tab of the Toolbox onto the Dataset Designer.

  3. Add columns to define your data table. For more information, see How to: Add Columns to a DataTable.

See Also

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