How To Create And Manage A Multi-tenant MVC Application
Apr 7, 2010
I want to create a multi-tenant application that uses the hostname to determine the customer.
For example:
CustomerOne.myapp.com
AnotherCo.myapp.com
AndOneMore.myapp.com
I can do the database and security side with no problems, I can also get the hostname from the URL, but what I am struggling to find out is how to create the basic plumbing that would allow a new customer to sign up online, provide their company name, and for the application to create the new URL, ready to be used straight away.
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Oct 10, 2010
I'm building a multi-tenant ASP .NET application. Given that each tenant can configure their application dynamically (which may involve dynamic custom assemblies being loaded into memory), I need a means of isolating each tenant.
I'd prefer not to create a new Web Application per tenant for maintenance reasons.
I've was considering using the AppDomainManager to create an AppDomain per application, but it seems this is not intended to be used for ASP .NET applications.
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Jan 24, 2010
im trying to build my first multi-tenant application, i used a shared database and it is complete now, i want to build the app now, and i tried this approach: all urls in the app have the following form ~/user/page.aspx(user directory is logical) where user is the current user, which is saved in a session after he logs in. when the user requests a page, say ~/user/profile.aspx, he is routed to the real page ~/profile.aspx and then his data are retrieved from the database. i dont think this is how multi tenant applications work, but i couldnt think of another method.
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Jan 10, 2011
Does anyone have a simple tutorial on how to build a multi tenant application using MVC 2?
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Oct 15, 2010
I have scoured the web and have yet to find and example that matches my requirements.
What I have is an existing multi-tenant asp.net application where all users authenticate against a single SQL Server database. This database also contains several other settings type data that is used within the application. Each client after authentication, utilizes thier own SQL Server database for data storage, for isolation purposes. Essentially all of the client database are identical and reside on the same server, but reside on one or more servers as well.
The application is currently written in asp.net 2.5 framework and utilizes the Micrsoft Practices Enterprise Library for DAL. Wnd we are looking to migrate to 4.0 and implement NHibernate to replace the MPEL.
I have implemented a solution already using NHibernate and the 4.0 framework, so I am familar with the concepts. I found the resources for my current session manager here as a matter of fact. But that application only had a single database, so not much too it.
The implementation is essentially what you see here:
[URL]
The other solutions that I have seen multiple config entries and/or files to manage this, but that is not desireable, since we may add new clients frequently and all of the connection information is already maintained in the authentication database.
[code]....
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Mar 30, 2010
we are building a multi-tenant application, which will support that each tenant can have a unique top level domain, the application is build using the asp.net 3.5 and SQL servr 2005, while each tenant will have different database. I have seen a number of questions about the similar applications on the StackOverFlow, but none of them is related to the Testing, I want to know is how one can test the application in a development environment, specially How can we test that each customer connects to his own DB based on the URL. how can we emulate different domains on the local system. like [URL] and [URL]all goes to dev machine's IIS.
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Dec 28, 2010
I have been seeking the best way, or at least a good way, to handle Client Access for a Multi-Tenant/SaaS-type web app designed with MVC 2.There are no tricks as far as client customizations needed here. So every company will have the same experience on the app. I just need to understand how I can isolate the experience so that a logged in user only sees data relevant to his company. My tactic is that my database houses a "tenantID" column for each row so I can easily isolate the rows that way. I am wondering if the default provider using the ASPNETDB.mdf can be modified to route users to their assigned company data. I have seen examples using route paths ({tenant}/{controller}/{action}/{id}) but even those threads express doubts. So if anyone has a good method that they are comfortable with, I am all ears (or eyes).
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Dec 21, 2010
I've been all around the net for weeks now trying to figure out the best way to set up a Multi-tenant website (building a web app that multiple companies and their employees will use). As far as a database goes, I am interested in using one database with a copied set of tables for each company. As far as managing the login and security in MVC2 I am lost with the myriad of examples (mostly old and not MVC) that I have seen. So ideally my app would allow a company rep to register their company and then be able to add their own employees to the site. Then all employees could login and be securely associated with their own company's tables (table names would be appended with their AccountID).
I'm not sure if this would be handled using routing or session variables or what the more ideal and up to date methods might be. Like others who have discussed this issue, it seems like this should be a much more fleshed out solution as it is becoming a more common use on the internet. I'm even willing to simplify the database down to one set of tables that stores an AccountID in each row if needed.
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Aug 14, 2010
In a multitenant system that hosts multiple organizations and applications, where an organization may use several applications hosted on the system, should my user and role model be such that a single user or role can exist across multiple applications and organizations? Or should I limit a user entity to a single organization/application pair and then define some overarching model to tie those user entities together? That is: John Doe is a person He wants to use ApplicationA and ApplicationB He works for two different companies (just bear with me), OrganizationA and OrganizationB Should the user model be:
johndoe@someuniquesuffix is his unique user name. This gives him access to both applications for both organizations. johndoe@applicationa@organizationa is his username for ApplicationA at OrganizationA. [URL]is his username for ApplicationB at organizationA...and the same for OrganizationB. Then have some "master" list that says that all 4 user accounts for the apps/orgs correspond to the same actual "person", John Doe?
The same scenario(s) described above applies to how I will design my Role schema.
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Dec 21, 2010
I currently have a MVC2 application hosted on premise that allows the user to add custom extensions (controllers, filters, views, validators) so that they can extend the application to suit their needs. I'm using MEF as my composition container, but MVC2 relies on the extensions (assemblies, views and scripts) to be located in a particular directory or found at runtime based on a configuration setting. The MEF catalog is instantiated at startup meaning if any new extensions are required to be added or updated then the application needs to be restarted. This is all fine in a single-tenant world but now I want to make it multi-tenant hosted in the azure cloud.
The problem I forsee is the location of the custom extensions and how they are deployed. My initial thought is to use azure blob storage (one per tenant) to store the custom extensions and then download per-session (rather than Application Startup), however in the past the way MVC has worked is it tries to resolve assemblies and find views within the current AppDomain whereas my assemblies and their embedded resources will be in memory.
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Mar 10, 2010
I'm after a bit of advice on how to handle a multi tenant site in ASP.NET from a UI perspective. What I want to be able to offer is a choice of layouts to the client i.e.
Layout 1: Navigation horizontal at the top. Search results in a table in the middle. Some text at the bottom.
Layout 2: Navigation vertical on the left. Some text in the middle. Search results at the bottom
Layout 3, Layout 4, Layout x etc...
Each element within the various layouts can differ too. For example, the search results might look like simple list in Layout 1, but will have a completely different look in Layout 2. Once a client has decided on Layout x, I then need to apply their company identity to the layout by changing the colours, logos, etc.
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Nov 20, 2010
My application is used by several customers, who needs to maintain their own database. Currently I'm keeping all the connectionstrings and according to the user, change it. (In a case of CRUD operation). Is this errenous way? I don't know much about MultiTenant applications. Is that the best solution for my problem?
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Jan 24, 2010
I am developing a web application which implements membership, roles and profiles. I also want it to be multi-tenant / multi-domain. By this I mean that I will have hundreds of domain names pointing at the same web application. I want users to be able to create accounts at each individual domain. I want the opposite of "single sign on". I want users to be able to use the same username, email address and password (or different ones, at their choice) to create accounts at the different sites. I do not want users to have any awareness that the different domains have any relation to each other as they will look different and have different content. The first problem I run into is that usernames have to be unique within the forms auth aspnet db.
Well, if they want to use the same username to register on 10 different sites then I need to support that. My first thought was that instead of identifying a user by their username, I need to extend the aspnet tables and sprocs to consider the username + a unique site identifier. Is there any sample code or has anyone else ever done this before? Should I just abandon the built in aspnet forms auth and roll my own custom auth scheme? The data on the sites is not sensitive so security isn't really that important to me.
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May 10, 2010
develope my application in multilingual, specially in ORIYA Language.
My objective is when I choose oriya option, all my input should be in oriya and data retrieve from table should display in gridview in ORIYA language.
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Feb 6, 2010
I want to create multiinstance application in Azure. and then demontrate that if one of the instance is down other instance is working fine. How should I achive that.
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Jan 18, 2011
Our current application is working fine but when you try to misbehave like we found out that When login with same user in multiple tab with different organization(there is a organization dropdown in the master page which sets the cookie whenever it is changed.) in tab one it is org 1 and tab 2 it is org2 , cookie has the later org 2 in it but when we go back in tab1(which had org1) and save the record org 2 will be saved with the record So can some one share some sort of a checklist with us which address these types of problem.
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Jan 28, 2011
I'm a newbie and I want to create a website to manage ads.
EX :
- Customer will give their website URL --> I will create i code that check that really their own.
- I will place some ads on the website and i want to create codes to manage them (Impressions, click,...)
How should i do it?
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Jan 12, 2010
I have a problem....if one user try to go to a page where he isn't autorized, the application rediredt he at the login page...
how I can redirect in an other page, where i write "Access denied"??
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Apr 29, 2010
i like to design a asp.net application(app1) where we can create role and actions. here action is such as create student details and delete student details... this both actions comes underneath to a role1.. so, the application will have some roles with set of actions. This roles and action will be used later in another applications(app2 and app3).
i have designed app1 with single sign on for all the application(app2,app3). when a user enter into app2, he/she will be redirected login page which resides in app1. There user validation will take place. once validated, authentication ticket will be send back to requested application(app2).
Once app2 receive the ticket, it will make another request app1 to get the roles and action belongs to singed user. the app2 should behave based the actions belongs to role.
*A user can have more roles.
how to control the user activities based on the actions?
Is there any framework to achieve this model?
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Aug 3, 2010
We have chosen the asp.net 3.5 on creating our thesis project, building a mall website. Our first step was very simple, we've worked on the layout of the website, building the interface of the home page. and we are about to create some on the back-end part, which is creating a user-level maintenance and store maintenance.
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Sep 28, 2010
I'm designing an ASP.NET 4.0 Web application where administrators may create an auction with an expiration. The expiration time would be stored in a database. How can I ensure that the auction ends at the predetermined time, considering the fact that an application instance may not be running when it is time? The application will be hosted with IIS7. I am considering Windows service, but I am wondering what other options are out there.
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Aug 11, 2010
We have used Session heavily in our application, we have created core classes (which have many properties) and store objects of core class in the session.
1) What could be the best solution for reflector activity?
2) What could be the best way to manage session in an application which has 100 pages?
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Jul 28, 2010
I have to create the custom pages/ templates. User has to specify the fields and controls from UI and then we have to display the specified controls on an aspx page. We have mutiple users that are adding their custom fields and controls. How we can manage this data in database? Do we have to create different database for each user or we have to create different tables for each user in a single database? Also, I can go with any other option (XML, Sharepoint etc) so that all the data will be managed in a simpler form.
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Sep 23, 2010
I am working on an application that resides on a development server on our internal network. The application was originally written to use Membership and Roles. We got busy almost a year ago before the app was finished, and now we are trying to get it ready to use internally.
The login page works just fine, but I have lost the ability to controls users and roles. I am running Visual Studio 2010 Professional now on a Windows 7 VM. I can open the application fine but there is no Web Administration Tool available for me to manage users or roles. If I go to Website -> in Visual Studio, there is no option for ASP.NET Configuration in the drop down menu. It simply isn't there.
How can I regain access to manage users and roles for this application? We are using Forms authentication and the database resides on a SQL Server 2005 instance on a separate box from the web server and my local VM.
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Jan 19, 2010
I'm using vs 2005 and asp.net 2.0 to create my website. Recently, I thought about applying membership instead of my customized security system in order to achieve higher security level and performance. At first thing went well, since it was easy to create/manage users and Role names from behind code, but when I came upon the "Access Rules" I faced what you can call it an 'obstacle' at least from my opinion.
The thing is, I don't want to use Asp.net Web Site Administration Tool to create and manage my access rules which I'm going to assign to each of my dynamically created Roles. What I want to be able to do is make a page where the Admin can create/manage his desired Role(s) and also, create/manage the Access Rules, then add such Access Rules to the previously created Role(s).
Now, what I need to know first is... is it even possible to do such thing in the first place? Because the way i understand it is, since the access rules are stored in the web.config of each folder/directory that you apply them on then it shouldn't be allowed to modify it from the running/published website.
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