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a) Response.ClearContent( ):
Clears the content of the current output stream.
b) Response.ClearHeaders( ):
Clears the HTTP headers from the current output stream.
It is the property of the web forms.
ASP.NET provides four types of state:
The differences includes
public class Test
static void Main()
ThreadStart job = new ThreadStart(ThreadJob);
Thread thread = new Thread(job);
for (int i=0; i
Database Consistency Checker (DBCC) - Is a statement used to check the logical and physical consistency of a database, check memory usage, decrease the size of a database, check performance statistics, and so on. Database consistency checker (DBCC) ensures the physical and logical consistency of a database, but is not corrective. DBCC can help in repairing or checking the installation in case of any failure.
Tracing is a very important monitoring and debugging tool for distributed, multitier applications. Such applications often contain problems that can only be observed when the application is under a heavy load and the inherent randomness of a real-life environment. Trace utility allows developers and administrators to monitor the health of applications running in real-life settings.
Question 7. If There Is A Calendar Control To Be Included In Each Page Of Your Application, And And We Do Not Intend To Use The Microsoft-provided Calendar Control, How Do You Develop It? Do You Copy And Paste The Code Into Each And Every Page Of Your Application?
Create the Calendar User Control
The control we will create will contain a calendar control and a label which has the corresponding date and time written
Creating a CalenderControl
Using the Calender Control in a Windows Application
It's just like adding any other control like a button or a label.
Right-Click the Toolbox> .NET Framework Components> Browse> select the CalenderControl.dll.
The Calender Control is now added to the Toolbox and can be inserted in Windows Form as any other control. The control itself will take care of the date display
Collation refers to a set of rules that determine how data is sorted and compared. Character data is sorted using rules that define the correct character sequence, with options for specifying case-sensitivity, accent marks, kana character types and character width.
The dll needed for the ASP.net is SYSTEM.WEB.dll
You can deploy an ASP.NET Web application using any one of the following three deployment options.
Run the installation of the SQL Server 2000
In the Existing Installation dialog box, click Upgrade your existing installation, and then click Next.
In the Upgrade dialog box, you are prompted as to whether you want to proceed with the requested upgrade. Click Yes, upgrade my to start the upgrade process, and then click Next. The upgrade runs until finished.
In the Connect to Server dialog box, select an authentication mode, and then click Next.
If you are not sure which mode to use, accept the default: The Windows account information I use to log on to my computer with (Windows). In Start Copying Files dialog box, click Next.
Now your Sql Server would be upgraded.
Referential integrity preserves the defined relationships between tables when records are entered or deleted. In SQL Server, referential integrity is based on relationships between foreign keys and primary keys or between foreign keys and unique keys. Referential integrity ensures that key values are consistent across tables. Such consistency requires that there be no references to nonexistent values and that if a key value changes, all references to it change consistently throughout the database. We can achieve this by using foreign key.
Replication is used for distributing data and the execution of stored procedures across an enterprise. The replication technology allows you to make duplicate copies of your data, move those copies to different locations, and synchronize the data automatically so that all copies have the same data values.
The different types of replications are:
Two type of cookeies.
1 single valued
2 Multivalued cookies.
These are used in the way collections are used.
rember no value method in multivalued cookie
server.transfer-> transfers the server's control to the requested page given in the parameter.
server.Execute-> executes the requested page from the current page itself, with no change in the address bar. after execution the next line of code is executed in the current page.
If we give proper indexes on a table so that any queries written against this table can run efficiently. As your data sets grow over time, SQL Server will continue to rebuild indexes and move data around as efficiently as possible. This property is known as Indexing.
Opening a cursor on a result set allows processing the result set one row at a time.
The four API server cursor types supported by SQL Server are:
De-normalization is the process of attempting to optimize the performance of a database by adding redundant data. It's used To introduce redundancy into a table in order to incorporate data from a related table. The related table can then be eliminated. De-normalization can improve efficiency and performance by reducing complexity in a data warehouse schema.
The Query Analyzer has a feature called Show Execution Plan. This option allows you to view the execution plan used by SQL Server's Query Optimizer to actually execute the query. This option is available from the Query menu on the main menu of Query Analyzer, and must be turned on before the query is executed. Once the query is executed, the results of the execution plan are displayed in graphical format in a separate window, available from a tab that appears below the query results window on the screen.
UPDATE STATISTICS- it updates information about the distribution of key values for one or more statistics groups (collections) in the specified table or indexed view.
Scalability:The same Microsoft SQL Server 2000 database engine operates on Microsoft Windows 2000 Professional, Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Windows 98, and Windows Millennium Edition. It also runs on all editions of Microsoft Windows NT version 4.0. The database engine is a robust server that can manage terabyte-sized databases accessed by thousands of users.
Availability:SQL Server 2000 can maintain the extremely high levels of availability required by large Web sites and enterprise systems.
Integration:The SQL Server 2000 TCP/IP Sockets communications support can be integrated with Microsoft Proxy Server to implement secure Internet and intranet communications.
Session management in ASP.NET can be done in two ways:
We use Friends Modifer for the dataGrid methods. Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
Every Request or the Response to or from SQL Server is converted into XML format. Its purpose is to ease the implementation of tasks for the DBA, with its full-function scheduling engine, which allows you to schedule your own jobs and scripts.
Usercontrol-> control that is created as u wish.
Web Control-> any control placed in web page (web application page)
Custom Control-> same as user control with some difference.
user control custome control
Visual studio tools Full support
STUFF - It deletes a specified length of characters and inserts another set of characters at a specified starting point.
REPLACE - Replaces all occurrences of a specified string value with another string value.
Use @@ERROR which returns the error number for the last Transact-SQL statement executed fro knowing the error.
Use @@ROWCOUNT which returns the number of rows affected by the last statement for finding the no of rows affected.
While adding the refferences we can handle the COM components in other .Net programming languages.
Whenever you execute a program, the operating system creates a new task for it. The task is like an envelope for the program. It identifies the program with a task number and attaches other bookkeeping information to it.
SET QUOTED_IDENTIFIER ON- Causes SQL Server to follow the SQL-92 rules regarding quotation mark delimiting identifiers and literal strings. Identifiers delimited by double quotation marks can be either Transact-SQL reserved keywords or can contain characters not usually allowed by the Transact-SQL syntax rules for identifiers.
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Introducing Web Portals And Dropthings.com
Architecting The Web Portal And Widgets
Building The Web Layer Using Asp.net Ajax
Building The Data And Business Layers Using .net 3.5
Building Client-side Widgets
Optimizing Asp.net Ajax
Creating Asynchronous, Transactional, Cache-friendly Web Services
Improving Server-side Performance And Scalability
Improving Client-side Performance
Solving Common Deployment, Hosting, And Production Challenges
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