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DbDataReader.FieldCount Property

Gets the number of columns in the current row.

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

abstract FieldCount : int with get

Property Value

Type: System.Int32
The number of columns in the current row.

Implements

IDataRecord.FieldCount

ExceptionCondition
NotSupportedException

There is no current connection to an instance of SQL Server.

Includes hidden fields. Use VisibleFieldCount to exclude hidden fields.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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