roleprovider

问题 i cant seem to find the right solution for the above issue. I keep getting System.NullReferenceException: Object reference not set to an instance of an object. i followed this guide http://techbrij.com/custom-roleprovider-authorization-asp-net-mvc The error message is from my custom roleprovider from the GetRolesForUser(string username) at line var user = _VisitorService.GetVisitors().FirstOrDefault(u => u.Username == username); The VisitorService works in the Controller but not in the

问题 Good morning all, I am attempting to implement my custom membership and role providers in my web application that I have implemented under the Default Web Site in my instance of IIS 7. My web application is running under a .NET 4 application pool. However, after setting up the corresponding web.config, I get the following error: Parser Error Message: Default Role Provider could not be found. I have included the following block of code in the system.web section of the corresponding web

问题 I am trying to redirect the user to the appropriate page on login. So I check to see if they are in a role and then redirect based on membership. However, Roles.IsUserInRole() doesn't seem to work. Plus when I use Roles.GetRolesForUser("username") I get "System.String[]". I am using the default simplemembership in mvc4. I can see the users created in the database and are linked to the appropriate roles. Also, when I use the [Authorize Roles..] that works fine. Here is my login(Pretty much the

问题 I added a custom role provider but for whatever reason its not being used, it seems like the default is keep getting used. Here is my code for custom role provider namespace Models.Security { public class MatchMakerRoleProvider: RoleProvider { public override string[] GetRolesForUser(string username) { username = username.Split('\\')[1].ToLower(); using (var db = new EncodingEntities()) { var user = db.Admin_Users.FirstOrDefault(u => u.UserName.Equals(username, StringComparison

问题 I added a custom role provider but for whatever reason its not being used, it seems like the default is keep getting used. Here is my code for custom role provider namespace Models.Security { public class MatchMakerRoleProvider: RoleProvider { public override string[] GetRolesForUser(string username) { username = username.Split('\\')[1].ToLower(); using (var db = new EncodingEntities()) { var user = db.Admin_Users.FirstOrDefault(u => u.UserName.Equals(username, StringComparison

问题 I'm trying to get authorization working on asp.net mvc4, so I try to use WebSecurity. WebSecurity.InitializeDatabaseConnection("tradefairindia", "Users", "Id", "Username", false); I've put this into Global.asax, and this is where the error comes, "Default Role Provider could not be found". On the internet I read that I had to add this line of code to my web.config <roleManager enabled="true" defaultProvider="AspNetSqlRoleProvider"> . But I had it added already because of previous errors. How

问题 I am working on an asp.net MVC 3.0 Application. I am using using my own CustomRoleProvider and CustomErrorHandler by overriding default attributes. Every thing is working fine. But ,the problem is with the exception handling. While testing the application , tester has given invalid DB connection to test. The result is , Custom Error Handler is not rendering Error View , instead it is routing the original path For ex: I am running my application as Home/Index It is first hitting Custom Role

问题 I'm creating a custom role provider and I set a Authorize attribute specifying a role in my controller and it's working just fine, like this: [Authorize(Roles="SuperAdmin")] public class SuperAdminController : Controller ... But when an user doens't have access to this controller, he's redirected to login page. How can I redirect him to a "AcessDenied.aspx" page? 回答1: [AccessDeniedAuthorize(Roles="SuperAdmin")] public class SuperAdminController : Controller AccessDeniedAuthorizeAttribute.cs:

问题 I want convert following sample Role-Provider Implementation to LINQ. How to: Sample Role-Provider Implementation I want uses the ADO.NET Entity Data Model(Entity Framework 6). 回答1: Found a solution: using System.Web.Security; using System.Configuration.Provider; using System; using System.Linq; /* This provider works with the following schema for the tables of role data. CREATE TABLE [tblRoles] ( [Rolename] NVARCHAR (255) NOT NULL, [ApplicationName] NVARCHAR (255) NOT NULL, CONSTRAINT

问题 I am trying to implement a custom role manager in an MVC5 application using the following Custom Role Provider Tutorial. I have created my Custom Role Provider overiding the 2 required functions. namespace Models.Security { public class CustomRoleProvider : RoleProvider { /// logic public override string[] GetRolesForUser(string username) { /// logic public override bool IsUserInRole(string username, string roleName) { I then need to alter my web config to use this new provider... <system.web