.NET Interview Questions

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What is the need of .Net framework ?

Kumar Bhimsen
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How to get only schema of a table in ADO.NET? a. DataAdapter.Fill(Dataset); b. DataAdapter.Schema(Dataset,“TableName”); c. DataAdapter.FillSchema(Dataset); d. DataAdapter.GetSchema(Dataset,”TableName”);

Rajesh Singh
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How to prevent DLL Hell in .net? a. The runtime checks to see that only one version of an assembly is on the machine at any one time. b. NET allows assemblies to specify the name AND the version of any assemblies they need to run. c. The compiler offers compile time checking for backward compatibility. d. It doesn’t.

Rajesh Singh
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You have recently developed a Class named “ShopList”. The class is having Public properties Name, ID, Discount. You need to enable the users of the class to iterate through the ShopList collections. Which of the following code snippet will you use? a. public class ShopList : IEnumerator, IEnumerable { // Class implementation } b. public class ShopList : IBindingList { // Class implementation } c. public class ShopList : IDictionary { // Class implementation } d. public class ShopList : ICollection { // Class implementation }

Rajesh Singh
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What is Method Hiding? a. Creating a new implementation of the method in the derived class with new keyword. b. Restricting the method from being called. c. Creating a new name for the Method in the derived class with new keyword. d. Method Overriding in the derived class.

Rajesh Singh
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If a Class is inheriting an interface then a. Inherit the properties of the interface. b. Contain the same methods from the interface. c. Create an interface object. d. All

Rajesh Singh
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Different ways a method can be overloaded? a. Different Parameter datatypes b. Different number of parameters c. Different order of parameters d. All

Rajesh Singh
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How do you prevent a class from being inherited? a. By making the class as Private. b. By making the class as private and using sealed keyword. c. By making the class as protected and using sealed keyword. d. By making the class as Sealed.

Rajesh Singh
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What is the difference between Dispose() and Finalize() methods? a. Dispose() method will remove the resources to a class and Finalize() will release the memory for a class. b. Dispose() method is used for a class and Finalize() method is for a class method. c. Dispose() will be called by programmer explicitly and Finalize() method is called by Garbage Collector implicitly. d. All.

Rajesh Singh
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2. How many default Constructors can a class have? a. 1 b. 2 c. None d. Many

Rajesh Singh
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5

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1. What is default Access Modifier of a Class? a. Public b. Private c. Protected d. Internal

Rajesh Singh
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How many method is there to remove unreachable object from memory?

Sandeep Kumar
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Where web.config file is used?

Rajesh Singh
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How to create object of Class ?

Sandeep Kumar
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What is polymorphism and what is type of polymorphism?

Sandeep Kumar
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