* Web.csproj:

* T.cs:
* IModule.cs:
* App.master:
* IProvider.cs:
* Error.aspx:
* AOEMail.aspx:
* Login.aspx:
* Index.aspx:
* Admin.aspx:
* yavscModel.csproj:
* WFManager.cs:
* Index.aspx:
* AddRole.aspx:
* Profile.aspx:
* Edit.aspx:
* Register.aspx:
* Index.aspx:
* RoleList.aspx:
* UserList.aspx:
* Validate.aspx:
* RemovePost.aspx:
* Index.aspx:
* BasketImpact.cs:
* Brand.aspx:
* Delete.aspx:
* Create.aspx:
* Backups.aspx:
* HomeController.cs:
* BlogManager.cs:
* Restore.aspx:
* Details.aspx:
* TitleNotFound.aspx:
* Product.aspx:
* AdminController.cs:
* Command.aspx:
* Service.aspx:
* BlogProvider.cs:
* NewProject.aspx:
* Catalog.aspx:
* Restored.aspx:
* BasketController.cs:
* AccountController.cs:
* WorkFlowController.cs:
* BlogsApiController.cs:
* ChangePassword.aspx:
* RemoveRoleQuery.aspx:
* CreateBackup.aspx:
* IContentProvider.cs:
* BackOfficeController.cs:
* FrontOfficeController.cs:
* NpgsqlBlogProvider.cs:
* NpgsqlContentProvider.cs:
* RegistrationPending.aspx:
* ProductCategory.aspx:
* FrontOfficeApiController.cs:
* ChangePasswordSuccess.aspx:
* ReferenceNotFound.aspx: 
* BackupCreated.aspx

Fixes many HTTP 500
Refactoring on the go

NpgsqlBlogProvider/BlogManager.cs

@@ -57,6 +57,15 @@ namespace Npgsql.Web.Blog
 		{
 			return Provider.GetComments (postid,getHidden);
 		}
+		/// <summary>
+		/// Tag the specified post by postid.
+		/// </summary>
+		/// <param name="postid">Postid.</param>
+		/// <returns>The tag identifier</returns>
+		public static long Tag(long postid, string tag) {
+			return Provider.Tag (postid, tag);
+		}
+
 	}
 }
 

NpgsqlBlogProvider/BlogProvider.cs

@@ -25,6 +25,8 @@ namespace yavscModel.Blogs
 		public abstract bool AutoValidateComment { get; set; }
 		public abstract void ValidateComment (long cmtid);
 		public abstract void UpdateComment (long cmtid, string content, bool visible);
+		public abstract long Tag (long postid,string tag);
+		public abstract void RemoveTag (long tagid);
 	}
 
 }

NpgsqlBlogProvider/NpgsqlBlogProvider.cs

@@ -14,6 +14,26 @@ namespace Npgsql.Web.Blog
 
 		#region implemented abstract members of BlogProvider
 
+		public override long Tag (long postid, string tag)
+		{
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "insert into bltag (blid,tag) values (@postid,@tag) returning _id";
+				cmd.Parameters.Add("@tag",tag);
+				cmd.Parameters.Add("@postid",postid);
+				return (long) cmd.ExecuteScalar ();
+			}
+		}
+
+		public override void RemoveTag (long tagid)
+		{
+			using (NpgsqlConnection cnx = new NpgsqlConnection (connectionString))
+			using (NpgsqlCommand cmd = cnx.CreateCommand ()) {
+				cmd.CommandText = "delete from bltag where _id = @tagid";
+				cmd.Parameters.Add("@tagid",tagid);
+				cmd.ExecuteNonQuery ();	
+			}
+		}
 		public override long GetPostId (string username, string title)
 		{
 			throw new NotImplementedException ();
@@ -199,6 +219,18 @@ namespace Npgsql.Web.Blog
 						be.Posted = rdr.GetDateTime (rdr.GetOrdinal ("posted"));
 						be.Visible = rdr.GetBoolean (rdr.GetOrdinal ("visible"));
 						be.Id = rdr.GetInt64 (rdr.GetOrdinal ("_id"));
+						using (NpgsqlCommand cmdtags = cnx.CreateCommand()) {
+							List<string> tags = new List<string> ();
+							cmd.CommandText = "select tag from bltags where blid = @pid";
+							cmd.Parameters.Add ("@pid", be.Id);
+							using (NpgsqlDataReader rdrt = cmd.ExecuteReader ()) {
+
+								while (rdrt.Read ()) {
+									tags.Add (rdrt.GetString (0));
+								}
+							}
+							be.Tags = tags.ToArray ();
+						}
 					}
 				}
 			}