ASP.NET Interview Questions
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After capturing the SelectIndexChanged event for a ListBox Control, you find that the event handler doesn?t execute. What could be the problem be? a) The AutoEventWireup attribute is set to False b) The AutomaticPostBack attribute is set to False c) The codebehind module is not properly compiled d) The ListBox must be defined WithEvents.

Syntax Softtech,

2 4845

What is the result when the Web Form containing the following line is complied and executed? a) The button control is created; theEvent is the click event handler. b) Compiler error; the control must be set to runat=?server?. c) Compiler error; onClick is not a valid attribute. d) Runtime Exception; the control must be set to runat=?server?.

Syntax Softtech,

3 3426

After building the custom control, you test it by adding an ASP.Net web application to the solution. You add a correct <%@ Register %> directive and a proper declaration of the control in the tag to the Web Form, but when you execute the application you get an error. What is the most likely reason for the problem? a) The custom control must be compiled first. b) The web application must have a reference to the control c) The custom control must be registered with windows first. d) The assembly from the custom control is not in the application?s bin directory.

Syntax Softtech,

1 4218




What method must be overridden in a custom control? a) The Paint() method b) The Control_Build() method c) The Render() method d) The default constructor

Microsoft, Syntax Softtech, Icertis,

1 18034

How do you enable tracing? a) Set the Trace property of the Web Form to True b) Set the Trace property of the server object to True c) Set the Session variables Trace to True d) Set the Applications Variable Trace to True.

Syntax Softtech,

2 3472

What does the following SQL statement return, assuming that all tables and column names are correct? SELECT FirstName, StreetAddress FROM Employees JOIN AddressBook ON Employees.EmpID = AddressBook.EmpID a) Nothing, the JOIN syntax is wrong. b) All the records form the Employees table, and only the matching ones form the StreetAddress table. c) All the records from the StreetAddress table and only the matching records form the Employees table. d) Only the matching records from the two tables.

Syntax Softtech,

4 5486

What is a transaction? a) A banking term. b) A concept used to describe a step in the business process. c) A combination of DML steps that must succeed or the data is retuned to its initial state. d) A combination of DDL steps that must succeed or the data is retuned to its initial state.

Syntax Softtech,

5 5015

What object is used to encapsulate a rowset? a) DataSet b) DataAdapter c) DataRowSet d) DataTable

Syntax Softtech,

2 4299




What property is used on the datatable to indicate a conflict after an update? a) HasConflict b) HasError c) HasCollision d) HasDataError

Syntax Softtech,

1 8728

When would you not use the oleDbConnection object? a) To connect to an SQL 7.0 database. b) To connect to a DB/2 database. c) To connect to an Access database. d) To connect to an SQL 6.5 database.

Syntax Softtech,

6 5262

On what object is the transaction in ADO.NET focused on? a) The command object b) The DataSet object c) The Connection object d) The DataAdapter object

Syntax Softtech,

4 3924

What combination of methods are used to improve the speed of the fill() method of the DataAdapter? a) BeginFillData() and EndFillData() b) StartFillData() and EndFillData() c) BeginLoadData() and EndLoadData() d) StartLoadData() and EndLoadData()

Syntax Softtech, winfoware,

2 3529

You need to be able to retrieve data from DataSet object that has four DataTable objects. There are currently UniqueConstraint and ForeignKeyConstraint Object on the DataTable objects to enforce the data rules. You find that you can retrieve the data from the individual DataTable objects, but you are not able to retrieve the data from the combination of DataTable objects in a Parent/Child manner. What should you do to able to retrieve the data in a Parent/Child manner? a) Set the EnforceParentChild parameter of the DataSet to True. b) Set the EnforceRelation parameter of the Relations collection to True. c) Add DataRelation objects to the Relations Collection to make the DataSet present the data in Parent/Child manner. d) Add a primary key and a foreign key to each of the DataTable objects that should present the data in a Parent/Child manner.

Syntax Softtech,

1 1952

You need to retrieve data from a Microsoft SQL Server 2000. Currently you are using an oleDbConnection object to connect to the database server. You need to be able to retrieve the data from the database server in XML format. Which approach would be the most efficient? Select all that apply. Each answer constitutes part of the whole answer. a) Change to the SQL .NET provider. b) Use the ExecuteXmlReader() method of the xxxCommand object c) Use the DOM to create the XML document. d) Use the XmlDocument.Load() method to create the XML Document.

Syntax Softtech,

1 2770

You are using the try? catch block seen in the following code segment, but no exceptions are ever caught by the catch block. What is the problem? SqlConnection cn =new sqlConnection(strSQL); SqlDataSet ds; try { cn.open(); //perform the data processing steps ??.. } catch (OleDbException e) { ?.. } a) The exception class is wrong; it should be sqlErrors. b) The exception class is wrong; it should be sqlSyntaxExceptios. c) The exception class is wrong; it should be sqlExceptions. d) The exception class is wrong; it should be sqlExcptions.

Syntax Softtech, Microsoft,

2 3952


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Un-Answered Questions { ASP.NET }

what cut off mark for po's,what questions they asked for interview?

770


What is the basic purpose of the required field validator? How can you use a required field validator to check that the user changes the initial value of a text box? a listbox?

647


Am not able to move the controls on the form freely in asp.net 3.5 even though I selected the position as relative or absolute for those controls. What should I do to overcome this?

1260


how can we create wcf in asp.net and how can we cll that in to asp.net application?plsss tel me each step clearly

883


explain code with multi inhertance

849






Take a Large textbox allow to type any data. Task 1:display the count of vowels in a lable on key press event of the textbox Task 2:dispaly count of dates in a lable when dates in following foramats:dd/mm/yy , mm/dd/yy , yy/mm/dd. Task3:compare 2 dates and display both are same or not which dates are in dd/mm/yy and mm/dd/yy farmats.

1826


How can you implement encapsulation in asp.net?

8343


what is silver light when will we use silver light,

729


What is Difference between Production Serves and Development Servers? And Suppose, m adding/deleting C# file in a project based on the Specific Requirement. These Files are Automatically updated in Production Servers? So Which tool is needed to do This One?

833


Contrast OOP and SOA. What are tenets of each ?

1008


Why is the standalone environment only useful during the development process?

657


How can i explain my project during interview?many time i expalain my project but they did't accept? please explain me.

4390


how to write html code with ssl

861


What are the versions of garbage collection?

816


Which is the best institute to learn Microsoft Technologies and the faculty if you Know?

958