senior net developer interview questions

HP. net job interview questions 1) What's the difference between left join and inner join?2) What's the difference between char, varchar, nvarchar? WhenWill nvarchar use? Why nvarchar can't replace use varchar?3) how to handle simultaneous access and visit the databaseFor read, delete, insert event in the same time?4) What's the datetimesatmp data type in the

. using the application eventIn an ASP . NET application, you can include a special optional file-theGlobal.asax file, also called an asp . It contains code that responds to application-level events raised by the ASP. NET or HTTP module. Iii. Summary ofapplicationInASP. 2.0in whichApplicationhas become not very important. BecauseApplicationthe self-management function is very weak, it has no similarSessi

) (int) 1 p0001 2007-2-8 8960 2 p0002 2007-2-8 5812 3 p0003 2007-2-8 8753 4 p0004 2007-2-8 8753 5 p0005 2007-2-8 9846 6 p0003 2007-2-9 4568 7 p0002 2007-2-9 2456 8 P0005 2007-2-9 9854Question 1, (5 points) write a newspaper with an SQL statement that averages more than 5200 sales by newspaper type?For:Question 2, (5 points) Use the SQL statement to write out the top three newspapers for the February 8, 2007 sale. If the third place has n, it should be queried.Fo

operations on the memory? A: This question is difficult to answer. It is also a big question. However, you can answer questions in this way. C # can directly operate on the memory. Although pointers are rarely used, C # can use pointers. When using pointers, you must add unsafe at the front.. net uses the garbage collection mechanism (GC) function, which replaces programmers. However, the Finalize method c

object classes. However, a condition is that the object class must have a clear constructor. 11Can constructor be inherited? Can be overwritten? A: constructor cannot be inherited, so it cannot be overwritten, but can be overloaded ). 12 C # Can I directly perform operations on the memory? A: This question is difficult to answer. It is also a big question. However, you can answer questions in this way. C # can directly operate on the memory.

ASP. NET? 14. If you are asked to design a login module, what would you consider and make? 15. How do you consider and create a log module? 16. How do you consider and create a user permission module? 17. How do you consider and create a file upload module? If the file size exceeds 1 GB, how do you consider design? 18. Have you learned about and used WCF, WF, and WPF? 19. How can I print web pages and report output? 20. How do I create a

C # in the program, interfaces are used to define the functions of a class. the interface defines the expected methods, attributes, and event information. to use interfaces, each specific function must complete the described functions strictly according to the interface definition.If your resume says "familiar with/understand C #", you should be able to answer the following basic questions: What is the name of the implicit parameter for the set method

, and one resource requests resources, at this time, the resource is blocked, and the acquired resource is not put. When the process obtains the resource, it cannot be forcibly deprived before it is used up.3. Can an interface inherit the interface? Can an abstract class implement interfaces? Can an abstract class inherit an object class?A: An interface can inherit interfaces. An abstract class can implement interfaces. An abstract class can inherit object classes. However, a condition is that t

A total of 130 questions 1. Briefly describe the access permissions of private, protected, public, and internal modifiers. A: private Members can be accessed within the class. Protected: protects members, which can be accessed within the class and in the inheritance class. Public: A public member. It is completely public and has no access restrictions. Internal: accessible within the same namespace. 2. List several methods for passing values between A

1) What is the highest. Net class that everything is derived from?A) system. Data;B) system. codedom;C) system. object;D) system. IO; 2) What is the. NET collection class that allows an element to be accessedUsing a unique key?A) arraylist;B) hashtable;C) stack;D) queue; 3) After user has successfully logged in, user information is not stored in:A) viewstateB) CookieC) session 4) A structure in C # ca