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OracleDataReader.FieldCount Property

Gets the number of columns in the current row.

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

'Declaration
Public Overrides ReadOnly Property FieldCount As Integer

Property Value

Type: System.Int32
When not positioned in a valid record set, 0; otherwise the number of columns in the current record. The default is -1.

Implements

IDataRecord.FieldCount

ExceptionCondition
NotSupportedException

There is no current connection to a data source.

Includes hidden fields. Use VisibleFieldCount to exclude hidden fields.

After executing a query that does not return rows, FieldCount returns 0.

.NET Framework

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

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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