DataTableMappingCollection.IndexOf Method (String)

Gets the location of the DataTableMapping object with the specified source table name.

Namespace: System.Data.Common
Assembly: System.Data (in

public int IndexOf (
	string sourceTable
public final int IndexOf (
	String sourceTable
public final function IndexOf (
	sourceTable : String
) : int



The case-sensitive name of the source table.

Return Value

The zero-based location of the DataTableMapping object with the specified source table name.

The following example searches for a DataTableMapping object with the given source table name within a DataTableMappingCollection collection. If the DataTableMapping exists, the example displays the name and the index of the mapping. If the mapping does not exist, the example displays an error. This example assumes that a DataTableMappingCollection collection has been created.

public void FindDataTableMapping() 
    // ...
    // create mappings
    // ...
    if (!mappings.Contains("Categories"))
        Console.WriteLine("Error: no such table in collection");
            ("Name: " + mappings["Categories"].ToString() + "\n"
            + "Index: " + mappings.IndexOf("Categories").ToString());

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0