FieldCount Property
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OdbcDataReader.FieldCount Property

 

Gets the number of columns in the current row.

Namespace:   System.Data.Odbc
Assembly:  System.Data (in System.Data.dll)

public override int FieldCount { get; }

Property Value

Type: System.Int32

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

Exception Condition
NotSupportedException

There is no current connection to a data source.

Includes hidden fields. Use VisibleFieldCount to exclude hidden fields.

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

.NET Framework
Available since 1.1
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