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Devart.Data.SqlServer Namespace / SqlDataReader Class / GetValue Method / GetValue(Int32) Method
Example

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    GetValue(Int32) Method
    In This Topic
    Gets the value of the specified column in its native format.
    Syntax
    '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
    static void GetMyValue(SqlConnection myConnection)
    {
      SqlCommand cmd = new SqlCommand("SELECT * FROM Test.AllTypes");
      cmd.Connection = myConnection;
      myConnection.Open();
      try
      {
        SqlDataReader 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 SqlConnection)
      Dim cmd As New SqlCommand("SELECT * FROM Test.AllTypes")
      cmd.Connection = myConnection
      myConnection.Open()
      Try
        Dim reader As SqlDataReader = 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
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also