DataProviderNameConverter.cs 2.1 KB

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  1. //
  2. // System.Web.UI.Design.WebControls.DataProviderNameConverter.cs
  3. //
  4. // Author:
  5. // Chris Toshok ([email protected])
  6. //
  7. // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  8. //
  9. // Permission is hereby granted, free of charge, to any person obtaining
  10. // a copy of this software and associated documentation files (the
  11. // "Software"), to deal in the Software without restriction, including
  12. // without limitation the rights to use, copy, modify, merge, publish,
  13. // distribute, sublicense, and/or sell copies of the Software, and to
  14. // permit persons to whom the Software is furnished to do so, subject to
  15. // the following conditions:
  16. //
  17. // The above copyright notice and this permission notice shall be
  18. // included in all copies or substantial portions of the Software.
  19. //
  20. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27. //
  28. #if NET_2_0
  29. using System.ComponentModel;
  30. using System.Windows.Forms.Design;
  31. using System.Data.Common;
  32. using System.Data;
  33. namespace System.Web.UI.Design.WebControls {
  34. public class DataProviderNameConverter : StringConverter
  35. {
  36. public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
  37. {
  38. DataTable table = DbProviderFactories.GetFactoryClasses();
  39. if (table == null)
  40. return new StandardValuesCollection (new string[0]);
  41. string[] names = new string[table.Rows.Count];
  42. int i = 0;
  43. foreach (DataRow row in table.Rows) {
  44. names[i++] = (string)row ["Name"];
  45. }
  46. return new StandardValuesCollection (names);
  47. }
  48. public override bool GetStandardValuesExclusive (ITypeDescriptorContext context)
  49. {
  50. return true;
  51. }
  52. public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
  53. {
  54. return false;
  55. }
  56. }
  57. }
  58. #endif