.net - WCF And N-tier On Local Box
Apr 20, 2010
First off, i'm fairly new to programming, I've built a few asmx web services but I am a little lost regarding how I should set up a WCF web service. I've tried to research this over the past couple days by reading through a lot of the documentation/articles/videos on MSDN but I'm still a confused.ince my current web services are hosted on a separate box using IIS, from what I understand I need to create a WCF Library, then reference the Library in another WCF App and then host that app in IIS and reference the WCF App from my Front End? Seems like an extra step to me...? Not to mention a pain when developing on my local box.
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Sep 22, 2010
When I run the application using the Web Developer it works fine. However when I run it using local IIS I get the following error:
The resource class for this page was not found. check if the resource file exists and try again. Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: The resource class for this page was not found. heck if the resource file exists and try again.
Source Error:
Line 81: private void PopulateLanguageList()
Line 82: {
Line 83: DropDownListLanguage.Items[0].Text = (string)HttpContext.GetLocalResourceObject(
Line 84: "Default.aspx", SelectLanguage, Thread.CurrentThread.CurrentCulture);
Line 85: }
Stack Trace:
[InvalidOperationException: The resource class for this page was not found. Please check if the resource file exists and try again.]
System.Web.Compilation.LocalResXResourceProvider.CreateResourceManager() +4038050
System.Web.Compilation.BaseResXResourceProvider.EnsureResourceManager() +23
System.Web.Compilation.BaseResXResourceProvider.GetObject(String resourceKey, CultureInfo culture) +24
System.Web.Compilation.ResourceExpressionBuilder.GetResourceObject(IResourceProvider resourceProvider, String resourceKey, CultureInfo culture, Type objType, String propName) +32
System.Web.HttpContext.GetLocalResourceObject(String virtualPath, String resourceKey, CultureInfo culture) +56
APPortal.Login.PopulateLanguageList() in c:inetpubwwwrootAPPortalDefault.aspx.cs:83
APPortal.Login.Page_Load(Object sender, EventArgs e) in c:inetpubwwwrootAPPortalDefault.aspx.cs:20
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
System.Web.UI.Control.OnLoad(EventArgs e) +132
System.Web.UI.Control.LoadRecursive() +66
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428
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Mar 29, 2011
I created a website using VS2010. When I run the website using built-in web server, everything works fine. The website recognizes javascript and aurigma uploader. When I publish the website to local folder and tried to access using IIS 5.1 on local pc,
the java scipt files did not work. I was getting yellow triangle sign at the bottom of the page indicating the object is expected. I tried to look online but i could not find any answer. I have included jquery and javascript file in the header section of master
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Oct 1, 2010
There is a hyperlink to a local file...for instance....C:/text.txt. This is not possible, because ASP.net does not allow links to local files. But, links to files on network drives such as W:/test.txt are working ok. how does the browser know which drive letter is local,and which is networked? How does it know that C: is local or D: is local etc, and that W: is a network drive?
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Jun 1, 2010
How do I get the smtp server address for the local machine? I want to my email address on a windows form and have the user send me an email and I need to be able to get their smtp server address programatically to do this. I tried this:
System.Net.Mail.
SmtpClient smtpc =
new
SmtpClient("127.0.0.1");
smtpc.Send(email);
It caused an exception.
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Oct 7, 2010
What is the use of 3-Tier Architecture?
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Dec 27, 2010
What is tier architecture and MVC for ASP.NET?
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May 31, 2010
can any one tell about 3 tier architecture in asp.net using C#How can i develop a project using 3 tier?
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Aug 15, 2010
As per my understanding regarding N-Tier and SOA architecture.
N-Tier
N-Tier means dividing application into layers, Example I am developing application in asp.net and I pushed total DB Layer to WCF then it is called N-tier.[Tightly coupled]
SOA[Loosely coupled]
As per my understanding regarding SOA its very generic term and how well we going to loosely couple our architecture then its called SOA. Best example for SOA services - Stock feeds/ weather feeds.
My conclusion:
Even though if we develop application using WCF it does not mean its SOA if it is tightly couple with single client/ or .net applications only can understand about services.
Can you help me in understanding of SOA VS N-Tier.
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Aug 12, 2010
In 3 tier architecture where to keep connection string? I have presentation layer ( webapplication) and BAL Layer ( class lib) and DAL (class lib).intially i kept in web.config which is in presentation layer....is it correct?should i keep a app.config file in DAL layer and keep my connection string in that?Where to keep connection string ?
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Jul 12, 2012
I would like to implement 3 tier arch in my project. What is the best and optimized 3 tier architecture in asp.net..
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Jun 1, 2012
My application was designed using following n-architecture : Presentation layer...wcf service layer...business logic layer..data access layer Presentation layer is in one server,wcf service,bll,dal are in another server. I knew something about wcf but how to implement this architecture.
I am looking for code sample for the above type of architecture.
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Dec 28, 2010
How many tier architecture are there for ASP.NET?I know only one that is three tier architecture.Can anyone tell briefly about 4 tier architecture and other tier architecture?
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Dec 3, 2010
I have the requirement to build a website which allows users to register for an account. Registering will create a portal area for each registrant, with the username as part of the client portal. E.g. http://www.example.com/myusername, or perhaps by subdomain (so http://myusername.example.com).
From there, sub-users may register for an account. They visit the portal page of the main user, register and log-in.
The difficult part is that the same username needs to be able to be used under different main user portals. So 'johnsmith' can register for an account under one portal page, but a different 'johnsmith' can register with the same username under a different portal account.
Question is, how should this be architected? I'm looking to learn MVC - perhaps this kind of thing can be done easily with MVC? I'm assuming there's no way to get this working with the standard .NET membership provider?
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Mar 1, 2010
trying to switch to better coding practises, I am totally confused about which path to choose. For the past year I was just coding through classic asp coding methodology. Now I know about things as
3 tier custom 3 tier with Strongly typed data sets N tier applications Custom entity objects and so on
Can someone recommend me an approach for designing web applications from these? Some book or tutorial reference with simple CRUD application that would help me. I am currently stuck with strongly typed data sets as I cant find CRUD tutorials with that approach. I would like to just choose the right approach and build on it.
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Jan 27, 2011
I am implementing 3-tier architecture. I just wanted to know the role of business layer in 3-tier architecture.
I am developing application in using entity framework. So I have entity object which is accessiable in PL,BL & DL. My question is whether input assignment to entity object should be in PL OR BL.(Consider there is save method)
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Jan 6, 2010
Presently I am working using single tier architecture. Now I am wanting to learn how to write code using 3 tier architecture.
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Jan 18, 2011
I'm developing one of my personal projects and I found some problem.
It's an n-tier architecture:
Framework.
WCF Framework service.
ASP.NET control that connects to the WCF Framework services in the server-side.
ASP.NET client hosting that control.
WCF service is in ASP.NET compatibility mode.
What's the problem? Each request is in a different session. I found that because stored values for sessions are reseted in each request, as I stated before.
I've two questions then:
1) - Someway obvious but I want a confirmation - Does the fact of calling WCF Framework services in server-side mean that the session is for the server and not per client?
2) Is first question fact the reason of getting a new session after each request?
In the end, I'm about of disabling ASP.NET compatibility mode for that WCF Framework service and develop my own session state management, which isn't a hard task, but I'm not a friend of reinventing wheels.
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Feb 12, 2011
whats is the difference three tier and three layer architecture. I need three tier architecture which is fulfill the object oriented requirement. and database change flexibility.
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Jun 1, 2010
We are having a 3-tiered architecture with UI Layer, Service Layer, Business Layer and DAL. Now my customer wants each of these layers to be distributed on multiple servers. What is the approch we need to follow?
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May 7, 2015
I want to use 3 -tier archhitecture in my registration form how to do that in a simple way....
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Oct 9, 2010
i ma new to asp.net, i am just learning asp.net using this site and some resources from internet , internet is the only source for me. and here i have a project that should be designed by the patter of 3 tier architecture. i have an idea, but i couldn't start it, need your guidance, if i did this , it will very useful for me to get a job.these are the requirements and steps.
[Code]....
[Code]....
and
[Code]....
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Oct 31, 2010
I am making use of 3-tier architecture.In UI layer, i am getting user input and converting it into XML document. But now question arises that how can i pass this xml document to business and data access layer?
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Sep 29, 2010
What is the most correct way to save your connection string when using the n-tier approach ? Right now I have two windows app and one web app using my DLL library, what I'm currently doing is to create a static
method inside my dal "GLOBALDAL"
inside I'm making this check:
Code:
if (System.Web.HttpContext.Current != null) ...
if httpContext.Current is null
That's mean that one of my windows applications doing the request, if so I get the CN from a file otherwise it's mean its the website knocking on my door so I get the CN from:
Code: System.Web.HttpContext.Current.Application["ConnectionString"]
I am thinking of changing it all and just set properly in my DA layer that expose the CN as a string. But I fear of security issues. So what is the correct way?
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Sep 3, 2010
I have a query about asynchronous paging using RegisterAsynchTask or AddOnPreRenderCompleteAsync
If I have a 3 tier web application with the UI, Business Layer and the Data Access Layer and I'm doing the Begin and End asynchronous processing of a method at page level (UI). This UI method accesses the DB and goes through all the layers starting asynchronously from the first page, then continuing "normally" through all the other layers. These underlying layers are all synchronous but started asynchronously through the first Page.
My question is how should asynchronous paging processing be handled with regards to layers? Do I need to set the methods being used at all levels asynchronously (using Begin and End event handlers) ?
And what about MasterPages... I can't Asynchronous processing for them. RegisterAsynchTask is not available and neither AddOnPreRenderCompleteAsync.... what I'm missing?
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