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General Q&A - ASP.NET and C#

Introduction These questions and answers are taken from different sources and locations. Most of the questions and answers you likely have already read. The basic purpose of this article is to consolidate most of the study material related to Dot Net in one place. ASP.NET What is view state and the use of it? The current property settings of an ASP.NET page and those of any ASP.NET server controls contained within the page. ASP.NET can detect when a form is requested for the first time versus when the form is posted (sent to the server), that allows you to program accordingly. What are user controls and custom controls? Custom controls A control authored by a user or a third-party software vendor that does not belong to the .NET Framework class library. This is a generic term that includes user controls. A custom server control is used in Web Forms (ASP.NET pages). A custom client control is used in Windows Forms applications. User Controls In ASP.NET:  A user-authored se