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DataTableReader.GetName Method

Note: This method is new in the .NET Framework version 2.0.

Gets the value of the specified column as a String.

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

public override string GetName (
	int ordinal
)
public String GetName (
	int ordinal
)
public override function GetName (
	ordinal : int
) : String

Parameters

ordinal

The zero-based column ordinal

Return Value

The name of the specified column.

Exception typeCondition

ArgumentOutOfRangeException

The index passed was outside the range of 0 to FieldCount - 1.

InvalidOperationException

An attempt was made to read or access a column in a closed DataTableReader.

The GetName and GetOrdinal methods provide inverse functionality. That is, calling GetOrdinal on the return value of calling GetName should return the original parameter passed to GetName; the same applies to calling the procedures in the opposite order.

The following simple example includes a procedure that lists the names of all the columns within the specified DataTableReader, and the column's ordinal position, to the Console window.

private static void DisplayColumnNames(DataTableReader reader)
{
    // Given a DataTableReader, display column names.
    for (int i = 0; i < reader.FieldCount; i++) 
    {
        Console.WriteLine("{0: {1", i, reader.GetName(i));
    


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

.NET Compact Framework

Supported in: 2.0

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