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DataTableCollection.IndexOf Method (DataTable)

Gets the index of the specified DataTable object.

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

public int IndexOf(
	DataTable table
)

Parameters

table
Type: System.Data.DataTable

The DataTable to search for.

Return Value

Type: System.Int32
The zero-based index of the table, or -1 if the table is not found in the collection.

Use the IndexOf method to determine the exact index of a given table.

Before calling IndexOf, you can test for the existence of a table (specified by either index or name) by using the Contains method.

The following example returns the index of each table in the DataTableCollection.

private void GetIndexes()
{
    // Get the DataSet of a DataGrid.
    DataSet thisDataSet = (DataSet)DataGrid1.DataSource;

    // Get the DataTableCollection through the Tables property.
    DataTableCollection tables = thisDataSet.Tables;

    // Get the index of each table in the collection. 
    foreach (DataTable table in tables)
        System.Diagnostics.Debug.WriteLine(tables.IndexOf(table));
}

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

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