In this part of the tutorial, we carry on with the construction of MVP Pattern. First we start with the creation of View interfaces for the UserControls (which we created in PART II). Then we create the presenter classes, which will take the corresponding instances of views and then manipulate the view using Model classes (there by achieving code portability). Once we are done with the presenter classes, we implement the View interfaces in the codebehind of the UserControls. Finally we create a sample ASP.Net web page (typically webform), and use the UserControls for database transactions.
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Latest Entries
Implementing MVP Pattern using UserControls with WCF Database Operations in Entity Framework and LINQ – Part III
RamiVemula on September 30, 2010 at 1:14 am
Filed under:ARTICLE, ASP.Net, C#, Entity Framework, LINQ
Implementing MVP Pattern using UserControls with WCF Database Operations in Entity Framework and LINQ – Part II
RamiVemula on September 30, 2010 at 1:13 am
In this part of the tutorial – We first code for the CustomerService.cs by implementing ICustomerService.cs interface. We use LINQ queries to code database transactions. Then we create a host application (here it is a Console application) which operates the WCF service. Then we create a sample website for implementing MVP Pattern to access WCF. In the website, we implement some UserControls for fetching/updating/deleting records from the database.
Filed under:ARTICLE, ASP.Net, C#, Entity Framework, LINQ
Implementing MVP Pattern using UserControls with WCF Database Operations in Entity Framework and LINQ – PART I
RamiVemula on September 30, 2010 at 1:12 am
First we create a database – ‘CustomersDB’ – with a table in it – ‘Customers’. This table Customers holds the basic data related to each and every customer. Then we create the entity model for this CustomersDB using ADO.Net Entity Framework. After that we create a WCF service with minimal end point configuration to access ServiceContracts which do basic database operations. Instead of coding the data access methods (of the class implementing ServiceContract) in traditional ADO.Net queries, we tend to use LINQ for the same. Once the service is ready, we host it using a Console App. With this we complete the backend of the article. Now we implement the MVP pattern for better separation of UI from its code with the help of presenter class. So we create an interface for both model and view and then implement them in their respective class. Finally we create a UI with some UserControls in it for adding/editing/deleting customers from the front end.
Filed under:ARTICLE, ASP.Net, C#, Entity Framework, LINQ
JumpStart # 2 – OUT Parameter in C#
RamiVemula on May 13, 2010 at 12:49 am
Before looking at the code, Read about – What is JumpStart? <%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> /* OUT PARAMETER – * 1) OUT parameter is almost in similar with REF keyword (both passes the reference, but not * actual value), but it can be used [...]
JumpStart # 1 – Using Optional And Named Parameters in C#
RamiVemula on May 12, 2010 at 11:25 am
Before looking at the code, Read about – What is JumpStart? <%@ Page Language="C#" %> <%@ Import Namespace="System.Runtime.InteropServices" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { // Call with only name optionalParameterMethod("John"); //call with name and state optionalParameterMethod("Scott", "AK"); //call with name, state and [...]