Csharp
Getting started with LINQ in C#
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What is LINQ? LINQ stands for Language Integrated Query. LINQ defines keywords that you can use to select, filter, sort, group, and transform data. The minor miracle of LINQ is that different LINQ providers allow these keywords to work with different types of data. LINQ to Objects, LINQ to DataSet, LINQ to XML, LINQ to…
Interface explained in easy steps
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Interface is similar to a class but with only declaration and no definition. Below are few code to explain interface in easy steps. Interface member can not have definition. They have only declaration. interface ITest{void Method();} All members in interface are by default public. No need to add explicit accessmodifier. interface can not contain fields.In…
Learn OOPS concept in simple and easy way
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In this blog, We will see Object Oriented Programming Principal in simple and easy way. What is Object Oriented Programming Concept? Object oriented is an approach to do programming in C#, Java etc. Before object oriented programming structural programming model was in use. C programming language is an example of structural programming. But the problem…
how to do url rewrite in C#.net. implemented in asp.net4.0 version
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how to do url rewrite in C#.net. implemented in asp.net4.0 version Url rewriting is just to display a friendly and readable url instead of a comlex or unfriendly url. Suppose there is a url in your website just like below: http://sharepointcafe.net/Page.aspx?userid=23456 The disadvantages of above mentioned url are: 1. This is not a friendly url.2.…
Can we implement interface with same method name?
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Interface is similar to a class, and we implement interface by defining their method in class. Suppose we have same method in more than one interface. In this case there will be a question for interview. Q. Can we implement interface with same method name?Ans. Yes by using explicit interface implementation. Lets see below…
Gridview row edit, delete and update code in asp.net
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As Gridview is a data source control which binds data from backend sql server or any other database table. Here is the code which implements edit, delete and update functionality in a single Gridview. Gridview Edit,Update and Delete functionality code: ASPX Code: <asp:GridView ID=”gvDetails” DataKeyNames=”id” runat=”server” AutoGenerateColumns=”false” …
Object initializers and Collection initializers in asp.net ?
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Object initializer in asp.net, C#.net 4.0 features. Object initializers is one of the most important feature of C # 3.0.What is Object initializers?Using Object initializers we can initialize a object of that type without explicitly invoking the constructor of that particular type. Object initializers:I will explain this with a piece of code:class Student{ public…
What is Nullable types in C#
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What is nullable type in C# code? Please explain with an example. Nullable types were introduced in C# 2.0.Nullable types are instances of the System.Nullable<T> struct. A nullable type can represent the range of values for its underlying data type, also an additional null value. For example, a Nullable<Int32>, pronounced “Nullable of Int32,” can be…
Dictionary in C sharp. Please explain with code
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What is a dictionary in C#?Please explain. Below you can understand the use of the dictionary in an easy way. The Dictionary type in the C# language provides fast lookups with keys to get values.It allows you to use keys and values of any type, including ints and strings.using System;using System.Collections.Generic; class Program{ static…
Concept of boxing and Unboxing in C sharp
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Boxing and Unboxing concept in C# language. Explaining with code. Boxing: Boxing refers to the process of moving from a value type to reference type.Un-Boxing: Un-Boxing refers to the process of moving from a reference type to value type. Ex:Public void BoxingUnbox(){ int i = 10; …
