.NET Framework, interview questions and answers - 12

.NET framework overview Topics

1. Has own class libraries. System is the main namespace and all other namespaces are subsets of this.

2. It has CLR(Common language runtime, Common type system, common language specification)

3. All the types are part of CTS and Object is the base class for all the types.

4. If a language said to be .net complaint, it should be compatible with CTS and CLS.

5. All the code compiled into an intermediate language by the .Net language compiler, which is nothing but an assembly.

6. During runtime, JIT of CLR picks the IL code and converts into PE machine code and from there it processes the request.

7. CTS, CLS, CLR

8. Garbage Collection

9. Dispose, finalize, suppress finalize, Idispose interface

10. Assemblies, Namespace: Assembly is a collection of class/namespaces. An assembly contains Manifest, Metadata, Resource files, IL code

11. Com interoperability, adding references, web references

12. Database connectivity and providers

Application Domain Topic

1. Class modifiers: public, private, friend, protected, protected friend, mustinherit, NotInheritable

2. Method modifiers: public, private

3. Overridable

4. Shadows

5. Overloadable

6. Overrides

7. Overloads

8. Set/Get Property

9. IIF

10. Inheritance

11. Polymorphism

12. Delegates

13. Events

14. Reflection

15. Boxing

16. UnBoxing

ASP.Net Topic

1. Web Controls: Data grid (templates, sorting, paging, bound columns, unbound columns, data binding), Data list, repeater controls

2. HTML Controls

3. Code behind pages, system.web.ui.page base class

4. Web.config: App settings, identity (impersonate), authentication (windows, forms, anonymous, passport), authorization

5. Databind.eval

6. Trace, Debug

7. Output cache

8. Session management

9. Application, Session

10. Global.asax httpapplication

11. User controls, custom controls, custom rendered controls (postback event, postdatachanged event) usercontrol is the base class

12. Directives

ADO.Net Topic

1. Command object (ExecuteNonquery, ExecuteReader, ExecuteXMLReader, ExecuteScalar)

2. DataAdapter object (Fill)

3. Dataset (collection of tables)

4. CommandBuiler object

5. Transaction Object

6. Isolation levels

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