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Gets the number of columns in the query's SELECT clause.
Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in system.data.sqlserverce.dll)
Syntax
'Declaration
Public Overrides ReadOnly Property FieldCount As Integer
public override int FieldCount { get; }
public:
virtual property int FieldCount {
int get () override;
}
/** @property */
public int get_FieldCount ()
public override function get FieldCount () : int
Property Value
When not positioned in a valid recordset, 0; otherwise, the number of columns in the current record.
Exceptions
| Exception type | Condition |
|---|---|
| InvalidOperationException | There is no current connection to a data source. |
Remarks
The result of FieldCount will return the number of columns in the query's SELECT clause, even if 0 rows are returned by the query.
Thread Safety
Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Platforms
Development Platforms
Windows Vista, Windows Mobile 5.0, Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Mobile 2003 for Pocket PC, Windows CE 5.0
Version Information
.NET Framework and NET Compact Framework
Supported in 3.5
.NET Framework
Supported in 3.0
.NET Compact Framework and .Net Framework
Supported in 2.0
See Also
Reference
SqlCeDataReader Class
SqlCeDataReader Members
System.Data.SqlServerCe Namespace