ConnectionStringsExpressionBuilder.cs 2.8 KB

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  1. //
  2. // System.Web.Compilation.ConnectionStringsExpressionBuilder
  3. //
  4. // Authors:
  5. // Chris Toshok ([email protected])
  6. //
  7. // (C) 2006 Novell, Inc (http://www.novell.com)
  8. //
  9. //
  10. // Permission is hereby granted, free of charge, to any person obtaining
  11. // a copy of this software and associated documentation files (the
  12. // "Software"), to deal in the Software without restriction, including
  13. // without limitation the rights to use, copy, modify, merge, publish,
  14. // distribute, sublicense, and/or sell copies of the Software, and to
  15. // permit persons to whom the Software is furnished to do so, subject to
  16. // the following conditions:
  17. //
  18. // The above copyright notice and this permission notice shall be
  19. // included in all copies or substantial portions of the Software.
  20. //
  21. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28. //
  29. #if NET_2_0
  30. using System;
  31. using System.CodeDom;
  32. using System.Configuration;
  33. using System.Web.Configuration;
  34. using System.Web.UI;
  35. namespace System.Web.Compilation {
  36. [ExpressionEditor("System.Web.UI.Design.ConnectionStringsExpressionEditor, " + Consts.AssemblySystem_Design)]
  37. [ExpressionPrefix("ConnectionStrings")]
  38. public class ConnectionStringsExpressionBuilder : ExpressionBuilder {
  39. public override object EvaluateExpression (object target, BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context)
  40. {
  41. return GetConnectionString (entry.Expression.Trim());
  42. }
  43. public override CodeExpression GetCodeExpression (BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context)
  44. {
  45. throw new NotImplementedException ();
  46. }
  47. public static string GetConnectionString (string connectionStringName)
  48. {
  49. ConnectionStringSettings conn = WebConfigurationManager.ConnectionStrings [connectionStringName];
  50. if (conn == null)
  51. return "";
  52. else
  53. return conn.ConnectionString;
  54. }
  55. public static string GetConnectionStringProviderName (string connectionStringName)
  56. {
  57. ConnectionStringSettings conn = WebConfigurationManager.ConnectionStrings [connectionStringName];
  58. if (conn == null)
  59. return "";
  60. else
  61. return conn.ProviderName;
  62. }
  63. [MonoTODO]
  64. public override object ParseExpression (string expression, Type propertyType, ExpressionBuilderContext context)
  65. {
  66. throw new NotImplementedException ();
  67. }
  68. public override bool SupportsEvaluate {
  69. get { return true; }
  70. }
  71. }
  72. }
  73. #endif