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DataTableMappingCollection.Contains Method (String)

Gets a value indicating whether a DataTableMapping object with the specified source table name exists in the collection.

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

public bool Contains(
	string value
)

Parameters

value
Type: System.String
The case-sensitive source table name containing the DataTableMapping object.

Return Value

Type: System.Boolean
true if the collection contains a DataTableMapping object with this source table name; otherwise false.

Implements

ITableMappingCollection.Contains(String)

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");
    else
        Console.WriteLine
            ("Name: " + mappings["Categories"].ToString() + "\n"
            + "Index: " + mappings.IndexOf("Categories").ToString());
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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