GetValue(Int32) Method

In This Topic

Gets the value of the specified column in its native format.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Overrides Function GetValue( _
   ByVal i As Integer _
) As Object

public override object GetValue( 
   int i
)

Parameters

i

Return Value

The value to return.

Remarks

This method returns System.DBNull for null data source columns.

Example

csharp

static void GetMyValue(OracleConnection myConnection)
{
  OracleCommand cmd = new OracleCommand("SELECT * FROM Test.AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try
  {
    OracleDataReader reader = cmd.ExecuteReader();
    reader.Read();

    for (short i = 0; i < reader.FieldCount; i++)
    {
      if (reader.IsDBNull(i))
        Console.WriteLine("NULL");
      else
      {
        object someValue = reader.GetValue(i);
        Console.WriteLine(someValue.ToString());
      }
    }

    reader.Close();
  }
  finally
  {
    myConnection.Close();
  }
}

Visual Basic

Shared Sub GetMyValue(ByVal myConnection As OracleConnection)
  Dim cmd As New OracleCommand("SELECT * FROM Test.AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As OracleDataReader = cmd.ExecuteReader
    reader.Read()
    For i As Short = 0 To reader.FieldCount - 1
      If reader.IsDBNull(i) Then
        Console.WriteLine("NULL")
      Else
        Console.WriteLine(reader.GetValue(i).ToString)
      End If
    Next i
    reader.Close()
  Finally
    myConnection.Close()
  End Try
End Sub

Reference

OracleDataReader Class
OracleDataReader Members
Overload List
GetValueClassGetValueTopic','GetValue.GetValue')">GetValue

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