mcs/class/System.Web/System.Web.UI.WebControls/AccessDataSourceView.cs

   1 //
   2 // System.Web.UI.WebControls.AccessDataSourceView
   3 //
   4 // Authors:
   5 //      Sanjay Gupta (gsanjay@novell.com)
   6 //
   7 // (C) Novell, Inc. (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32 using System.Collections;
  33 using System.Collections.Specialized;
  34 using System.Text;
  35 using System.Data;
  36 using System.ComponentModel;
  37 using System.Data.OleDb;
  38 using System.Security.Permissions;
  39
  40 namespace System.Web.UI.WebControls {
  41
  42         [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  43         public class AccessDataSourceView : SqlDataSourceView {
  44
  45                 OleDbConnection oleConnection;
  46                 OleDbCommand oleCommand;
  47                 AccessDataSource dataSource;
  48                 public AccessDataSourceView (AccessDataSource owner, string name, HttpContext context)
  49                         : base (owner, name, context)
  50                 {
  51                         dataSource = owner;
  52                         oleConnection = new OleDbConnection (owner.ConnectionString);
  53                 }
  54
  55                 [MonoTODO ("Handle arguments")]
  56                 protected internal override IEnumerable ExecuteSelect (
  57                                                 DataSourceSelectArguments arguments)
  58                 {
  59                         oleCommand = new OleDbCommand (this.SelectCommand, oleConnection);
  60                         SqlDataSourceSelectingEventArgs cmdEventArgs = new SqlDataSourceSelectingEventArgs (oleCommand, arguments);
  61                         OnSelecting (cmdEventArgs);
  62                         IEnumerable enums = null;
  63                         Exception exception = null;
  64                         OleDbDataReader reader = null;
  65                         try {
  66                                 System.IO.File.OpenRead (dataSource.DataFile).Close ();
  67                                 oleConnection.Open ();
  68                                 reader = (OleDbDataReader)oleCommand.ExecuteReader ();
  69
  70                                 //enums = reader.GetEnumerator ();
  71                                 throw new NotImplementedException("OleDbDataReader doesnt implements GetEnumerator method yet");
  72                         } catch (Exception e) {
  73                                 exception = e;
  74                         }
  75                         SqlDataSourceStatusEventArgs statusEventArgs =
  76                                 new SqlDataSourceStatusEventArgs (oleCommand, reader.RecordsAffected, exception);
  77                         OnSelected (statusEventArgs);
  78                         if (exception !=null)
  79                                 throw exception;
  80                         return enums;
  81                 }
  82         }
  83 }
  84 #endif
  85