Tech Quest

What is SCVMM?

2010-02-05T11:36:00.000+05:30

SCVMM stands for System Center Virtual Machine Manager. This tool is used to manage and administer multi vendor Virtual Machines. This tool can help converting Physical Servers to Virtual Machines, migrate virtual machines and managing resources for virtual machines and Hyper-V hosts.

What is Boxing & Unboxing

2009-06-08T17:12:00.005+05:30

Converting a value type to reference type is called Boxing int i =5; string mystring = i.ToString(); //This is boxing as string is reference typeConverting a reference type to value type is called Unboxing int x= Convert.ToInt32(mystring); //This is unboxing Boxing & Unboxing is a link between value type & reference type.For more information Refer:http://

What is ViewState in ASP.NET?

2009-06-08T15:13:00.005+05:30

ViewState is used to maintain state of the page across the postback. Values are saved in encrypted form in hidden controls.By default ViewState is enabled on ASP.NET Web Forms. If you dont want to maintain the ViewState, include the directive <%@ Page EnableViewState="false" %> at the top of an .aspx page.Also you can switch viewstate on or off for any web control by setting EnableViewState

Can we pass null as a parameter value in SQL Stored Procedure with .Net?

2009-06-02T15:30:00.005+05:30

Simply passing null as a parameter value to Stored Procedure will be considered as parameter not passed & will throw exception as parameter not found.For passing null value as a parameter of Stored Procedure System.DBNull.Value should be used.For more information refer:http://msdn.microsoft.com/en-us/library/system.dbnull(vs.71).aspx

For Typecasting integer,How do we choose between (int), Int32.Parse and Convert.ToInt32

2009-05-28T16:52:00.003+05:30

(int) can only typecast types which can be represented as integer like double, long, float, etcInt32.Parse and Convert.ToInt32 both are similar only difference between them is if null is passed as parameter, Int32.Parse() will throw ArgumentNullException where as Convert.ToInt32 will return zero '0'In .Net 2.0 method Int32.TryParse can be used for validating input for conversion. it returns

Is Multiple inheritance possible in C#?

2009-05-28T16:47:00.005+05:30

No. But by using Interface we can implement Multiple Inheritance in C#

Difference between Debug.Write and Trace.Write

2009-05-28T12:34:00.004+05:30

Both Debug.Write and Trace.Write writes information to the trace listeners.1. Debug.Write gets compiled only when application is build under debug mode. Trace.Write gets complied in both Debug and Release Mode.2. Debug.Write is used while debugging the application . Trace.Write is used to help identifying the problems in the Released version of Application.Namespace for Debug.Write and

What is the use of SmartNavigation attribute in page directive?

2009-04-21T23:14:00.002+05:30