GetOrdinal Method

Gets the index of the specified column.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overrides NotOverridable Function GetOrdinal( _
   ByVal name As String _
) As Integer

'Usage
 
Dim instance As TdDataReader
Dim name As String
Dim value As Integer
 
value = instance.GetOrdinal(name)

public override int GetOrdinal( 
   string name
)

public:
int GetOrdinal( 
   String^ name
) override

Parameters

name: The name of the column.

Return Value

Returns the index of the named column.

Exceptions

Exception	Description
System.IndexOutOfRangeException	namedoes not match any of the columns in TdDataReader.
System.InvalidOperationException	CommandBehavior is set to SchemaOnly, or there is no data for the row or column, or preceding columns are no longer accessible.
System.ObjectDisposedException	The TdDataReader is closed.

Remarks

GetOrdinal returns the ordinal (the index of the array) of the specified column. See IDataRecord.GetOrdinal for string comparison rules (case sensitive / insensitive). Since column names might not be unique, the ordinal of first matching column is returned.

Requirements

Target Platforms: Windows 8.1, Windows 10, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

Reference

TdDataReader Class
TdDataReader Members