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How do I send email message from ASP.NET
How do I send email message from ASP.NET ? ASP.NET provides two namespaces System.WEB.mailmessage classand System.Web.Mail.Smtpmail class. Just a small homework create a Asp.NET project. 2007-10-24, 4763👍, 0💬

Why do we need methods to be static for Post Cache substitution
Why do we need methods to be static for Post Cache substitution? ASP.NET should be able to call this method even when there isn't an instance of your page class available. When your page is served from the cache, the page object isn't created. So ASP.NET skips the page life cycle when the page is co... 2007-10-23, 4763👍, 0💬

.NET INTERVIEW QUESTIONS - What is Thread.Join() in threading ?
What is Thread.Join() in threading ? There are two versions of Thread.Join :- * Thread.join(). * Thread.join(Integer) this returns a Boolean value. The Thread.Join method is useful for determining if a thread has completed before starting another task. The Join method waits a specified amount of tim... 2009-12-09, 4759👍, 0💬

What is concept of Boxing and Unboxing ?
.NET INTERVIEW QUESTIONS - What is concept of Boxing and Unboxing ? Boxing permits any value type to be implicitly converted to type object or to any interface type implemented by value type. Boxing is a process in which object instances are created and copy values in to that instance. Unboxing is v... 2010-04-20, 4757👍, 0💬

What is CODE Access security (CAS)?
.NET INTERVIEW QUESTIONS - What is CODE Access security (CAS)? CAS is part of .NET security model that determines whether or not a piece of code is allowed to run and what resources it can use while running. Example CAS will allow an application to read but not to write and delete a file or a resour... 2010-04-27, 4756👍, 0💬

What are advantages of SQL 2000 over SQl 7.0
What are advantages of SQL 2000 over SQl 7.0 ? User-Defined Functions: User-Defined Functions (UDFs) -- one or more Transact-SQL statements can be used to encapsulate code for reuse. Userdefined functions cannot make a permanent change to the data or modify database tables. UDF can change only local... 2007-10-25, 4754👍, 0💬

When we use windows API in .NET is it managed or unmanaged code
When we use windows API in .NET is it managed or unmanaged code ? Windows API in .NET is unmanaged code. Note:- Even though VB6 and V C++ has gone off still many people do ask these old questions again and again. Still there are decent old application which are working with COM very much fine. So in... 2007-10-22, 4753👍, 0💬

What are the steps to create a windows service in VB.NET
What are the steps to create a windows service in VB.NET? Windows Services are long-running executable applications that run in its own Windows session, which then has the ability to start automatically when the computer boots and also can be manually paused, stopped or even restarted. Following are... 2007-10-24, 4752👍, 0💬

What is the namespace in which .NET has the data functionality classes
What is the namespace in which .NET has the data functionality classes ? Following are the namespaces provided by .NET for data management System.data This contains the basic objects used for accessing and storing relational data, such as DataSet,DataTable, and DataRelation. Each of these is indepen... 2007-10-24, 4749👍, 0💬

Why is DataSet slower than DataReader
What is the difference between “DataSet” and “DataReader” ? Following are the major differences between “DataSet” and “DataReader” ? “DataSet” is a disconnected architecture, while “DataReader” has live connection while reading data. If we want to cache data and pass to a different tier “DataS... 2007-10-24, 4748👍, 0💬

What is the difference between thread and process
What is the difference between thread and process? A thread is a path of execution that run on CPU, a process is a collection of threads that share the same virtual memory. A process has at least one thread of execution, and a thread always run in a process context. Note:- Its difficult to cover thr... 2007-10-22, 4748👍, 0💬

How can we know a state of a thread
How can we know a state of a thread? "ThreadState" property can be used to get detail of a thread. Thread can have one or a combination of status.System.Threading. Threadstate enumeration has all the values to detect a state of thread. Some sample states are Isrunning, IsAlive, suspended etc. 2007-10-22, 4746👍, 0💬

What are the practical limitations of using COM objects?
Managed Code and Unmanaged Code related ASP.NET - What are the practical limitations of using COM objects? The following are the practical limitations of using COM objects from .NET: Shared solutions might not allow COM objects : ASP.NET host service providers that use nondedicated servers can limit... 2009-04-21, 4745👍, 0💬

What is Tracing in ASP.NET
What is Tracing in ASP.NET ? Tracing allows us to view how the code was executed in detail. 2007-10-24, 4745👍, 0💬

What's Thread.Sleep() in threading
What's Thread.Sleep() in threading ? Thread's execution can be paused by calling the Thread.Sleep method. This method takes an integer value that determines how long the thread should sleep. Example Thread.CurrentThread.Sleep(200 0). 2007-10-22, 4743👍, 0💬

what are end points, contract, address and bindings
what are end points, contract, address and bindings? The above terminologies are the core on which SOA stands. Every service must expose one or more end points by which the service can be available to the client. End point consists of three important things where, what and how: Contract (What) Contr... 2007-11-04, 4740👍, 0💬

Does the performance for viewstate vary according to User controls
Does the performance for viewstate vary according to User controls ? Performance of viewstate varies depending on the type of server control to which it is applied. Label, TextBox, CheckBox, RadioButton, and HyperLink are server controls that perform well with ViewState. DropDownList, ListBox, DataG... 2007-10-23, 4740👍, 0💬

What is LOCK escalation
What is LOCK escalation? Lock escalation is the process of converting of low level locks (like row locks, page locks) into higher level locks (like table locks). Every lock is a memory structure too many locks would mean, more memory being occupied by locks. To prevent this from happening, SQL Serve... 2007-10-25, 4737👍, 0💬

What are major difference between classic ADO and ADO.NET
What are major difference between classic ADO and ADO.NET ? Following are some major differences between both ? As in classic ADO we had client and server side cursors they are no more present in ADO.NET. Note it's a disconnected model so they are no more applicable. ? Locking is not supported due t... 2007-10-24, 4737👍, 0💬

How can you increase SQL performance
How can you increase SQL performance ? Following are tips which will increase your SQl performance Every index increases the time takes to perform INSERTS, UPDATES and DELETES, so the number of indexes should not be too much. Try to use maximum 4-5 indexes on one table, not more. If you have read-on... 2007-10-25, 4736👍, 0💬

What are the ways in which client can create object on server in CAO
What are the ways in which client can create object on server in CAO model ? There are two ways by which you can create Client objects on remoting server :- ã Activator.CreateInstance(). ã By Keyword gNewh. 2007-10-23, 4736👍, 0💬

How do you upload a file in ASP.NET
How do you upload a file in ASP.NET ? use System.Web.HttpPostedFile class. 2007-10-24, 4735👍, 0💬

What is the difference between System.String and System.StringBuilder classes?
Difference between System.String & System.StringBuilder Classes? System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed. prefer System.StringBuilder when you are doing lot of string manuplation oper... 2009-03-06, 4734👍, 0💬

Which is the best place to store connectionstring in .NET projects
Which is the best place to store connectionstring in .NET projects ? Config files are the best places to store connectionstrings. If it is a web-based application “Web.config” file will be used and if it is a windows application “App.config” files will be used. 2007-10-24, 4734👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML