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DataTableCollection.Add Method (DataTable)

Adds the specified DataTable to the collection.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)

public void Add(
	DataTable table


Type: System.Data.DataTable

The DataTable object to add.


The value specified for the table is null.


The table already belongs to this collection, or belongs to another collection.


A table in the collection has the same name. The comparison is not case sensitive.

The CollectionChanged event occurs when a table is successfully added to the collection.

The following example creates a DataTable and adds it to the DataTableCollection of a DataSet.

private void AddDataTable()
    // Get the DataTableCollection of a DataGrid  
    // control's DataSet.
    DataTableCollection tables = 

    // Create a new DataTable.
    DataTable table = new DataTable();

    // Code to add columns and rows not shown here. 

    // Add the table to the DataTableCollection.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0