ASP.NET Interview Questions 1.       Explain about ASP.NET Page Life Cycle Events? PreInit:  Raised after the start stage is complete and before the initialization stage begins. Use this event for the following: Check the IsPostBack property to determine whether this is the first time the page is being processed. The IsCallback and IsCrossPagePostBack properties have also been set at this time. Create or re-create dynamic controls. Set a master page dynamically. Set the Theme property dynamically. [...]

ASP.Net Tutorial ASP.NET – The Hashtable Object The Hashtable object contains items in key/value pairs. Create a Hashtable The Hashtable object contains items in key/value pairs. The keys are used as indexes, and very quick searches can be made for values by searching through their keys. Items are added to the Hashtable with the Add() method. The following code creates a Hashtable named mycountries and four elements are added: <script runat=”server”> Sub Page_Load if Not [...]

C# interview questions and answers What’s the advantage of using System.Text.StringBuilder over System.String? StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it’s being operated on, a new instance is created. Can you store multiple data types in System.Array? No. What’s the difference between the System.Array.CopyTo() and System.Array.Clone()? The first one performs a deep copy of the array, the second one [...]