Compartilhar via

SqlCeDataReader.FieldCount Property

  • Artigo

Gets the number of columns in the current row.

Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in system.data.sqlserverce.dll)

Syntax

'Declaration
Public Overrides ReadOnly Property FieldCount As Integer
'Usage
Dim instance As SqlCeDataReader
Dim value As Integer

value = instance.FieldCount

public override int FieldCount { get; }

public:
virtual property int FieldCount {
    int get () override;
}

/** @property */
public int get_FieldCount ()

public override function get FieldCount () : int

Not applicable.

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

After executing a query that does not return rows, FieldCount returns 0.

Platforms

Windows CE, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows XP Professional x64 Edition, Windows XP SP2

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

Version Information

.NET Framework

Supported in: 3.0

.NET Compact Framework

Supported in: 2.0, 1.0

See Also

Reference

SqlCeDataReader Class
SqlCeDataReader Members
System.Data.SqlServerCe Namespace