Can you give me an scenario example how you have used polymorphism in your project. With new and override keyword.
give me an example from a finance domain/ecommerce domain. I am looking from a UML Model Perspective.
Can you give me an scenario example how you have used polymorphism in your project. With new and override keyword.
View 2 RepliesI want to create small ecommerce site with sign up and log in pages. there are two categories jeans and T- shirt
I want to create category pages and product pages but I dont understand how to form tables in database means exactly how
many tables required for this application and how all tables are connected to each other ( how to make relationship in tables)
when particular user sign in and select particular pages how it will added in his cart.
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?
View 6 RepliesI am searching for what are the standard best practice (for OOP) used to design classes for develop asp.net application? I am aware of most of the OOP concepts but confused with how to map object/classes.
Let's take example of Adventure works - 2005 database provided by Microsoft; it has five schemas Sales, Purchase, Person, Production, HR and DBO.
Should we consider Schemas as Namespace in Classes?
Now, Person schema has 5 tables, should we design classes based on tables?
i.e. Person schema has Address, AddressType, Contact, ContactType, CountryRegion & StateProvince tables. What are the classes we can consider?
What are the basic criteria to decide objects? What to do and how to design classes for tables like Purchase order detail, Product cost history, Product inventory, Product Category etc.
I am Developing a mid-size application and want to implement Application Architecture, I've read some Architecture Books and Approach and think about
AAFN (Application Arcitecture For .net) presented by Microsoft
SOA
SDLM
SDO
MVC
and vice versa ...
this is a web application that will extended with some other small application ( just think about something like a M.I.S with a (or two) core)
Whitch Projects I should have I think about
Common // to use in all projects
Framework // main framework
DAO // data access object ( entityframework or nHibernate )
UI // will available in 2 variant web and windows(wpf) interface )
BusinessEntities // all subApplication project logic will goes there
ApplicationNameProject // each application have their Own Logic (in BussinessEntities)
ApplicationUnit // each application Entity will place here
ApplicationNameProject // each application data Entity (in Application Unit)
Services // WCF Services goes here to contribute with all applications
this is the architecture witch I think about, I do not have any force to use this, I want to know whats the best fit for me, can Change all of it or add some other projects and remove these projects
find a free 3-Tier Code Generator for asp.net .
View 2 RepliesSo I started working on my first asp.net application that involves logging in and databases, and soon after i started messing around with a static class. I "discovered" that if you make a variable static, all sessions share that variable (I for some reason was originally assuming that each session had its own copy of that "static" class). Anyway, after discovering this I thought to myself "how could this possibly be useful to me" and thought that itmight be a good idea to make a single static database connection for all of the sessions, rather than storing that as a session variable for each session. Does anybody know what would be the pros and cons of this approach?
View 5 Replies[Code]....
polymorphism and databinding to a datagrid?
I am having a problem understanding how polymorphism works when using generics. As an example, I have defined the following program:
public interface IMyInterface
{
void MyMethod();
}.....
So, at least I haven't completely misunderstood that. I am unsure exactly how I am to write a method that accepts a generic collection of classes that conform to the same interface.
I have a plan to completely hack around this problem if need be, but I would really prefer to do it properly.
If I have a reference in my project to System.Data.Linq in an MVC application compiled against 3.5 I can use Linq to SQL generated entity objects in my views and access the foreign key entity sets. If I try and do the same thing in 4.0 I get the error messageCompiler Error Message: CS0012: The type 'System.Data.Linq.EntitySet`1<T0>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
View 1 RepliesPlease share resources to see, how MVC + WCF + EF work together.
View 3 RepliesI'm in the middle-end of written a big website that work a lot with the db.
In every call a page runs 5-12 different queries.What I did was build an execute class that uses MySqlConnector API, which get string that represent the sql and the parameters and then just execute the query and return DataTable. In addition to that I have a class that hold all the function that call the execute class functions. For example in the class I have getAllProducts, getOldestProducts etc... and in each and every one of them theres sql statements.
Recently I watch the LINQ video series(How Do I with LINQ - on this site) and it looked good.As I sees it my way is very good because it just open connection execute the sql get the result and close the connection.The question is what is the best performance wise way to build this site? Is it my way that I use all along? Is it using LINQ? Or working with DataSet/TypedDataSet is the preferred way?
I have to create a application to let user input data and then sync with company server.
Deponding on location, user may be on line (using wireless) or off line.
Can I create a asp.net app working on or off line? Or, have to create a windows application?
I've been reading recently about EF4, and how to build an architecture for asp.net web forms application using it.
I explored using POCOs (self tracking entities), with WCF, but found out that my application will be deployed on a single box (i.e. one tier), so I started reading about logical separation of layers, and came up with the following solution:
DAL layer that contains EDMX model and EF APIs, and also generated context object.Entities DLL that holds all generated POCO entities using ADO.NET POCO entity generator. (for persistence ignorance, and decoupling entities from DAL).Business layer that contains a façade for each related group of business functions, the façade will be aware of and using DAL layer. And in each function, it will initiate context and uses different entities to carry out specific job (i.e. function).UI layer that only calls the business layer façade classes. With no awareness of DAL, but it will be aware of entities (i.e. using entities DLL), as the business layer will return results basically as entity collections.
I want to know what you think about this architecture.
I also read about an architecture that uses repository and unit of work patterns, but what I understand that context object is already implementing a UOF pattern, and also object sets are implementing repository pattern (correct me if I'm wrong), so the only advantage of using additional abstraction over them is to make the business layer communicates to my classes, not EF classes, and this is good only if the DAL strategy might change (i.e. by using another tool other than EF, which is not my plan).
I have a requirement below;Step 1: I must insert and update record with "xx" Running Number into Tables in Database.Step 2: I must send "xx" Running Number from Step 1 go with Web Service and wait the response.Step 3: If Step 2 has a error. I must roll back Step 1 data that I do in Step 1. But If Step 2 is success, everything is Ok.How can I solve this requirement? and How can I write asp.net code?
View 3 RepliesI have a problem to write a string to a LinkButton that is located inside a GridView1. Now the hiarchy of controls is like this to understand how to Find this control:
TabContainer0 TabPanel5 TabContainer1 TabPanel7 Panel8 GridView1 LinkButton1 So LinkButton1 that we want to write a string to is located in a GridView1 which is located in Panel8 which is located in TabPanel7 that is located in TabContainer1 that is located in TapPanel5 that is located in TabContainer0.
So below is my code but no string is written to that linkButton, so I wonder if I miss something basic out here?
[Code]....
I am planning to create HR Management System using asp.net & sql server 2005. In this application we need to manage different kinds of Employee Documents like Offer letter,Salary certificate etc.. Now,What we need is we will store templates for these documents(ms word,excel) in the application and needs to genereate these documets corresponding to the selected employee like mail merge.
View 3 Repliesi need to integrate paypal with my asp.net ecommerce site but i need to upload details of multiple products to paypal and also the customer and shipping info.
View 3 Repliesim looking for ecommerce development video tutorial. I already watched related video tutorials on ASP.net website.
View 2 RepliesI have a client who runs a music business. Part of it revolves around giving lessons. He wants me to create a site where the user can purchase a lesson or group of lessons and then schedule that lesson using an online calendar. But I've never seen anything like it. I wonder if my friends over at the ASP.NET forums have?"
So here's my question. Can I make the ecommerce portion of a site talk to a calendar? If I purchase 100 dollars worth of lessons, can I "tell" that to the calendar and then debit that account every time a user schedules a lesson?
Which Opensourese ASP.NET Ecommerce supports Digital media? I mean ,I want to sell downloadable stuffs
View 1 RepliesOn PHP Platforms like Worldpress, Joomla, OSCommerce there are plenty of beautifull templates some even free, I cannot find any asp.net cms (the ones in Microsoft Gallery are boring) that has such a variety of templates, am I missing something in my search or do you know some ?
View 1 RepliesIs there a framework in ASP.NET world which makes it easy for me to create a shopping cart? The open source world has plenty of existing frameworks which come with built-in shopping carts etc.let me know of a good & free ecommerce framework which makes it quick for me to implement shopping cart.
View 2 RepliesI developed an e-commerce product based website on which i developed all the features like for products, shopping cart etc. Till now it works in a standard way, in which from admin section, store owner adds product categories, and products with prices etc. Now there is a kind of product category which is empty right now (no products in this category right now) -There will be 1000s of products in this category in future.
and the manufacturer of this particular product(s) are providing web services API, so it is possible to add web services API to this e-commerce website to that for that particular category, website gets all the information from the manufacturer's website along with all the product information and prices etc.? How to accopmlish this ? as i don't have any experience with implementing web services on any website ?
