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IDataRecord.FieldCount Property

Gets the number of columns in the current row.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)
int FieldCount { get; }

Property Value

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

After executing a query that does not return rows (for example, using the ExecuteNonQuery method), FieldCount returns -1.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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