FieldCount Property
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DataTableReader.FieldCount Property

 

Returns the number of columns in the current row.

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

public override int FieldCount { get; }

Property Value

Type: System.Int32

When not positioned in a valid result set, 0; otherwise the number of columns in the current row.

Exception Condition
InvalidOperationException

An attempt was made to retrieve the field count in a closed DataTableReader.

.NET Framework
Available since 2.0
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