IDataReader.FieldCount Property

Gets the number of fields in the data reader.

Namespace:  Microsoft.ReportingServices.DataProcessing
Assemblies:   Microsoft.ReportingServices.Interfaces (in Microsoft.ReportingServices.Interfaces.dll)
  Microsoft.ReportingServices.SharePoint.UI.WebParts (in Microsoft.ReportingServices.SharePoint.UI.WebParts.dll)


ReadOnly Property FieldCount As Integer
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

Property Value

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.