OleDbDataReader.FieldCount Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets the number of columns in the current row.
public:
virtual property int FieldCount { int get(); };
public:
property int FieldCount { int get(); };
public override int FieldCount { get; }
public int FieldCount { get; }
member this.FieldCount : int
Public Overrides ReadOnly Property FieldCount As Integer
Public ReadOnly Property FieldCount As Integer
Property Value
When not positioned in a valid recordset, 0; otherwise the number of columns in the current record. The default is -1.
Implements
Exceptions
There is no current connection to a data source.
Remarks
Includes hidden fields. Use VisibleFieldCount to exclude hidden fields.
After executing a query that does not return rows, FieldCount returns 0.
Applies to
See also
Werk met ons samen op GitHub
De bron voor deze inhoud vindt u op GitHub, waar u ook problemen en pull-aanvragen kunt maken en bekijken. Raadpleeg onze gids voor inzenders voor meer informatie.