Storing Class Object in Session in Asp.net

Create a new Project in Asp.net named "storeObjInSession" in Default.aspx.cs file within class put below code snippet..             // properties that you want to store in session         public int EmpId {get; set;}        ...

Continue Reading →

View State in Asp.Net

What is view state? View State is one of the most important and useful client side state management mechanism. It can store the page value at the time of post back (Sending and Receiving information from Server) of your page. ASP.NET pages provide the ViewState property as a built-in structure for...

Continue Reading →

Prevent User To Go Back Page After Logout

simply put this function in your Webpage . this will prevent user to go to back page after logout .. protected void Page_Init(object sender, EventArgs e) { Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1)); Response.Cache.SetCacheability(HttpCacheability.NoCache); Response.Cache.SetNoStore(); } ...

Continue Reading →

SQL Injection

SQL injection is an attack in which malicious code is inserted into strings that are later passed to an instance of SQL Server for parsing and execution. Any procedure that constructs SQL statements should be reviewed for injection vulnerabilities because SQL Server will execute all syntactically valid...

Continue Reading →

LINQ

LINQ is a technique for querying data from any Datasource. data source could be the collections of objects, database or XML files. We can easily retrieve data from any object that implements the IEnumerable<T> interface. Advantages:  as Linq Queries is integrated with .net c# language , it enables you to write code much faster then than if you were writing oldstyle queries. In some cases...

Continue Reading →

ADO.NET Entity Framework:: Insert Update and Delete

Every .NET developer sometime will start using ADO.NET Entity Framework. And first question will be such as how to insert, update and delete records. Performing basic Inser, Update and Delete operations via the Entity Framework is very straight forward. first you need to create a Database Table - Script- Create Database StudentDetail USE [StudentDetail] GO CREATE TABLE [dbo].[login](  [loginid] [varchar](20) NOT NULL,  [password] [varchar](20) NOT NULL,   [rights] [varchar](20) Null ) after...

Continue Reading →

API and Web Service

Difference Between API and Web Service An API is an Application Programming Interface. An example of an API would be ADO.NET or Google APIs . An API encapsulates functionality into a library for you to access. It contains the operations, properties, etc. necessary to perform your actions. A web service is a middle tier operation that you write on your own or consume someone Else's. A web service...

Continue Reading →

Maintaining Session in MVC

Sessions can be maintained in MVC by 3 ways tempdata ,viewdata and viewbag. What is the difference between tempdata ,viewdata and viewbag? Temp data: -Helps to maintain data when you move from one controller to other controller or from one action to other action. In other words when you redirect,“tempdata” helps to maintain data between those redirects. It internally uses session variables. View...

Continue Reading →

How to find page load time: ASP.NET

One of the important factors that measures a website's performance is the page loading time. Therefore, it is very essential to keep an eye on how long it takes for web pages to load on the client browser. In ASP.NET, this can be achieved using the application class, that acts as an entry point for...

Continue Reading →