Welcome to ASP.NET Programming

This blog helps you to improve your knowledge related to ASP.NET MVC, ASP.NET, C#.Net, SQL Server which required to build ASP.NET Application development. This blog also covered the importance of OOPs Concepts with .Net Framework, WCF, Web Services, Javascript & JQuery, LINQ and Social Media Integration.

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April 5, 2021 at 10:53 PM
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Page Life Cycle in ASP.NET

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Life cycle when the page processed during a postback The events associated with the relevant page cycle phases are: Page Initialization: Page_Init View State Loading:LoadViewState Postback data processing: LoadPostData Page Loading: Page_Load PostBack Change Notification: RaisePostDataChangedEvent PostBack Event Handling: RaisePostBackEvent Page Pre Rendering Phase: Page_PreRender View State Saving: SaveViewState Page Rendering: Page_Render Page Unloading: Page_UnLoad The processing sequence in which a page is processed during a postback event is: Initializing: During this phase, the server creates an instance of the server control Loading view state: During this phase, the view state of the control posted by the client is reloaded into the new instance of the control. Loading : During this phase, the instance of the control is loaded onto the page object in which it is defined. Loading the postback data : During this phase, the server s...
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MVC Request Execution Stages - Life Cycle

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Back to Home Execution Stages: For web: HTTP request for Application Incoming request routed to Controller (Perform Routing) The controller processes request and create presentation Model The controller also selects appropriate result (view) Model is passed to View View transforms Model into an appropriate output format (HTML) The response is rendered (HTTP response) Image Courtesy: SlideShare.net  Back to Home
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SQL Server 2005 with XML Parameters

We frequently have requirement like Passing IDs in comma saperated value to the sql server for further processing. Generally what we do is just create loop and get the value from it and ... But SQL 2005 comes up with XQuery. Using this you can easly pass such type of data also some complex thing too. For example... DECLARE @productIds xml SET @productIds ='<Products><id>9</id><id>18</id><id>27</id></Products>' SELECT ParamValues.ID.value ('.','VARCHAR(20)')FROM @productIds.nodes('/Products/id')as ParamValues(ID) Which gives us the following three rows: 9 18 27
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Polymorphism in C#

Polymorphism means having more than one form.   Overloading and overriding are used to implement polymorphism.  Polymorphism Examples Method Overloading Method Overriding There are two type of Polymorphism  1. Compile time polymorphism (Early binding or static binding)  Examples: overloaded methods, overloaded operators and overridden methods that are called directly by using derived objects. 2. Run time polymorphism (Late binding or dynamic binding)   Example: overridden methods that are called using base class object.  
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LINQ - C# Programming

Get DataSource In C# as in most programming languages a variable must be declared before it can be used. In a LINQ query, the from clause comes first in order to introduce the data source (customers) and the range variable (cust). //QEmp is an IEnumerable var QEmp = from e in Emp select e; Filter Probably the most common query operation is to apply a filter in the form of a Boolean expression. The filter causes the query to return only those elements for which the expression is true. The result is produced by using the where clause. The filter in effect specifies which elements to exclude from the source sequence. var QEmp = from e in Emp where e.Country == "India" select e ----AND Condition---- where e.Country == "India" && e.Name == "Ashvin" ----OR Condition---- where e.Country == "India" || e.Name == "Ashvin" Ordering The orderby clause will cause the elements in the...
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Differences between a Structure and Class

1. Clas s is Reference types and Structure is Value type.   2. Clas s supports an Inheritance where as Structure not.   3. Classes are usually used for large amounts of data, whereas Structure are usually used for smaller amount of data.   4. When we instantiate a class, memory will be allocated on the heap and when Structure gets initiated it gets memory on the stack. 5. Classes can have explicit parameter less constructors. But Structure doesn't have this. 6. Classes can be garbage collector because garbage collector works on heap memory . structures can not be garbage collector so no memory management.
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Variable Value in Top Statement

i want create a Procedure that behave like this: declare @cnt int set @cnt =10 select top @cnt * from sw_user Where sw_user contains 20 records, and i want the variable to be the criteria of Top statement. so i can use this for a solution for this type of problem CREATE PROC Top10 @cnt int AS SET ROWCOUNT @cnt SELECT * FROM sw_user but some cases ROWCOUNT might not be work... so what, Note : This statement however is possible in SQL 2005, just add "()" in your variable like so: declare @cnt int set @cnt =10 select top (@cnt) * from sw_user
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Auto Refresh .aspx page - ASP.NET

Method 1: Response.AddHeader To Refresh Web page After every 5 Seconds You can add following code, Response.AddHeader("Refresh", "5"); Cricket Sites, Stock Exchange sites use similar logic :) Method 2: In body Tag, window.setTimeout The 1000 = 1 Second... < body onload ="window.setTimeout('window.location.reload()',1000);" > Method 3: In Meta Tag Theres also a meta tag that you can define on the head, but not sure wheter it refreshes even if the content has not finished loading or if it starts counting when the head section loaded. Code would be something like that: < meta content ="600" http-equiv ="refresh" > Method 4: Timer Control : Microsoft ASP.NET 2.0 AJAX Extensions server control In following example, the timer interval is set to 10 seconds <%@ Page Language="C#" AutoEventWireup="true" %> <! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN...
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Paged Data Source - Custom Paging

PagedDataSource , is a class that encapsulates the paging related properties for data-bound controls such as DataGrid, GridView, DataList, DetailsView and FormView that allow it to perform paging. And this article is going to combine both DataList control and PagedDataSource class to explain dynamic or custom paging methods for Asp.Net developers. protected void Page_Load( object sender, EventArgs e) { try { if (!IsPostBack) { LoadPhoto(); } } catch (Exception Exc) { HandleException = Exc; } } // LoadPhoto Function private void LoadPhoto() { PagedDataSource objPhotoPage = new PagedDataSource(); objPhotoPage.AllowPaging = true ; SOBLImageGallery _SOBLImageGallery = new SOBLImageGallery(); DataSet dsImageGallery = _SOBLImageGallery.Select6Records( new SOENTImageGallery()); if (dsImageGallery != null && dsImageGallery.Tables.Count > 0 && dsImageGallery.Tables[0]....
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