OleDbDataReader.FieldCount Property

Reference

Definition

Namespace:: System.Data.OleDb

Assembly:: System.Data.OleDb.dll

Assembly:: System.Data.dll

Package:: System.Data.OleDb v8.0.1

Package:: System.Data.OleDb v9.0.0-rc.2.24473.5

Source:: OleDbDataReader.cs

Source:: OleDbDataReader.cs

Important

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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

Int32

When not positioned in a valid recordset, 0; otherwise the number of columns in the current record. The default is -1.

Implements

FieldCount

Exceptions

NotSupportedException

There is no current connection to a data source.

Remarks

Includes hidden fields. Use VisibleFieldCount to exclude hidden fields.

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

Applies to

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