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DataTableReader.GetFieldType Method

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

Gets the Type that is the data type of the object.

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

public override Type GetFieldType (
	int ordinal
)
public Type GetFieldType (
	int ordinal
)
public override function GetFieldType (
	ordinal : int
) : Type

Parameters

ordinal

The zero-based column ordinal.

Return Value

The Type that is the data type of the object.

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 .

Call the following procedure, passing in a DataTableReader instance in order to display a list of all the fields and the full name for each type in the Console window.

private void TestGetFieldType(DataTableReader reader)
{
    for (int i = 0; i < reader.FieldCount; i++)
    {
        Console.WriteLine(reader.GetName(i) + ":" + 
            reader.GetFieldType(i).FullName);
    


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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