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Devart.Data.PostgreSql Namespace / PgSqlDataReader Class / GetValue Method / GetValue(Int32) Method
Example

GetValue(Int32) Method
Gets the value of the specified column in its native format.
Syntax
'Declaration
 
Public Overloads Overrides Function GetValue( _
   ByVal i As Integer _
) As Object
 

Parameters

i

Return Value

The value to return.
Remarks
This method returns System.DBNull for null data source columns.
Example
static void GetMyValue(PgSqlConnection myConnection)
{
  PgSqlCommand cmd = new PgSqlCommand("SELECT * FROM Test.AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try
  {
    PgSqlDataReader 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();
  }
}
Shared Sub GetMyValue(ByVal myConnection As PgSqlConnection)
  Dim cmd As New PgSqlCommand("SELECT * FROM Test.AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As PgSqlDataReader = 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
See Also