Свойство FieldCount
Gets the number of fields in the data reader.
Пространство имен: Microsoft.ReportingServices.DataProcessing
Сборки: Microsoft.ReportingServices.Interfaces (в Microsoft.ReportingServices.Interfaces.dll)
Microsoft.ReportingServices.SharePoint.UI.WebParts (в Microsoft.ReportingServices.SharePoint.UI.WebParts.dll)
Синтаксис
'Декларация
ReadOnly Property FieldCount As Integer
Get
'Применение
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
Значение свойства
Тип: System. . :: . .Int32
When not positioned in a valid recordset, 0; otherwise the number of columns in the current record. The default value is -1.
Замечания
After executing a query that does not return rows, FieldCount returns -1.
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