OdbcDataReader.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 record set, 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 you execute a query that does not return rows, FieldCount returns 0.
Applies to
See also
التعاون معنا على GitHub
يمكن العثور على مصدر هذا المحتوى على GitHub حيث يمكنك أيضاً إضافة مشاكل وطلبات سحب ومراجعتها. للحصول على معلومات إضافية، اطلع على دليل المساهم لدينا.