IDataReader.FieldCount Property

Gets the number of fields in the data reader.

Namespace: Microsoft.ReportingServices.DataProcessing
Assembly: Microsoft.ReportingServices.Interfaces (in Microsoft.ReportingServices.Interfaces.dll)

Syntax

'Declaration
ReadOnly Property FieldCount As Integer
    Get
'Usage
Dim instance As IDataReader
Dim value As Integer

value = instance.FieldCount

int FieldCount { get; }

property int FieldCount {
    int get ();
}

abstract FieldCount : int

function get FieldCount () : int

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

After executing a query that does not return rows, FieldCount returns -1.