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DataTableCollection.IndexOf Method (String, String)

Gets the index in the collection of the specified DataTable object.

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

public int IndexOf(
	string tableName,
	string tableNamespace
)

Parameters

tableName
Type: System.String

The name of the DataTable object to look for.

tableNamespace
Type: System.String

The name of the DataTable namespace to look in.

Return Value

Type: System.Int32
The zero-based index of the DataTable with the specified name, or -1 if the table does not exist in the collection.

You specify the name of the DataTable object by using the TableName property.

The following example returns the index of a named 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 the table named "Authors", if it exists.
    if (tables.Contains("Authors"))
        System.Diagnostics.Debug.WriteLine(tables.IndexOf("Authors"));
}

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

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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