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What are the Good Steps to be followed for maintaining Connection Strings in Asp.Net Web Applications ?

Posted By :Srikanth     Posted Date :April 22, 2011    Points :40   Category :ASP.Net 
There are some basic steps which should be followed inorder maintain Connection strings more efficiently they are

. Connection strings should allways be given in web.config file itself for security resons. Not only for security but also as more accessible at multiple places.

. We should never make connection strings as Declarative property for SqlDataSource control

. Allways Connection strings should be stored in an Encrypted format for secure Database server .

. Do not store it in a plain text format and also never store it in a .aspx page.

You can also find related Interview Question to What are the Good Steps to be followed for maintaining Connection Strings in Asp.Net Web Applications ?  below: 

What options are available to deploy my .NET applications?

  
The .NET Framework simplifies deployment by making zero-impact install and XCOPY deployment of applications feasible. Because all requests are resolved first to the private application directory, simply copying an application's directory files to disk is all that is needed to run the application. No registration is required.
This scenario is particularly compelling for Web applications, Web Services, and self-contained desktop applications. However, there are scenarios where XCOPY is not sufficient as a distribution mechanism. An example is when the application has little private code and relies on the availability of shared assemblies, or when the application is not locally installed (but rather downloaded on demand). For these cases, the .NET Framework provides extensive code download services and integration with the Windows Installer. The code download support provided by the .NET Framework offers several advantages over current platforms, including incremental download, code access security (no more Authenticode dialogs), and application isolation (code downloaded on behalf of one application doesn't affect other applications). The Windows Installer is another powerful deployment mechanism available to .NET applications. All of the features of Windows Installer, including publishing, advertisement, and application repair will be available to .NET applications in Windows Installer 1.5. (More...)

Where do you store connection string?

  
Database connection string can be stored in the web config file.
The connection string can be stored in the WEB.Config file under
element. (More...)

What does connection string consist of?

  
The connection string consists of the following parts:
In general:

Server: Whether local or remote.

Uid: User Id (sa-in sql server)

Password: The required password to be filled-in here

Database: The database name. (More...)

Is IIS require to run asp.net Web applications?

  
If you are using Visual Studio, you can use the ASP.NET Development Server built into Visual Studio to test your pages. The server functions as a local Web server, running ASP.NET Web pages in a manner virtually identical to how they run in IIS. To deploy a Web application, you need to copy it to a computer running IIS version 5 or 6. (More...)

How you will write a Connection String in web.Config fiel?

  
Ans) Then write below lines of code:

configuration>
connectionStrings>
add name="sqlconnectionstring" connectionString="Data Source=INTHIYAAZ;Initial Catalog=DB;User ID=sa;Password=sa" />
/connectionStrings>
/configuration>
(More...)

What is the role of the ScriptManager control in implementing multilingual applications (AJAX)?

  
The ScriptManager control can be used to define the UI or custom UI cultures that you would use in your applications. You can set the
EnableScriptLocalization and EnableScriptGlobalization properties of
the ScriptManager control to true and specify the script reference path as per your requirements. (More...)

Explain about security of the Ajax based web applications?

  
The XMLHttpRequest object is subjected to the browsers security sandbox. Any resources requested by the XMLHttpRequest object must reside within the same domain from which the calling script originated from which the calling script requested. XMLHttpRequest cannot request services due to security restriction, outside the domain from which the script was originally served. (More...)

To perform asynchronous data access, what must be added to the connection string?

  
Select Correct Answer.

1. BeginExecute=true
2. MultiThreaded=true
3. MultipleActiveResultSets=true
4. Asynchronous=true

Correct Answer:
4. Asynchronous=true (More...)

Is it possible to update a connection string stored in the Web.config file programatically? If Yes, then how?

  
Yes.

Create a Configuration object. Then, update the connection string using the ConnectionStrings collection. Finally, call Configuration.Save. (More...)

Does ViewState is responsible for maintaining data across the Page Post Back for Postback controls (like textbox, dropdownlist) and non-postbackcontrols(like label)?

  
It is false. For NonPostback controls it is true but for postback controls, ASP.NET retrieves their values one by one from the HTTP request and copies them to the control values while creating the HTTP response. (More...)

Does ADO.NET supports automatic connection pooling?

  
Yes.

There is a pooling property with connection string. By default it is set to true.
Use this property to specify that a particular connection should not participate in the pool, but instead should be destroyed when it is closed. (More...)

What are the steps you need to follow to use jQuery in ASP.Net project?

  
It's really simple. One just need to add reference of javascript file(.js). Go to Jquery.com and download the latest version of jQuery. When download is completed, there is a "jQuery-1.3.2.js" in the folder. Include this file




and you good to go now for JQuery.

Note : 1.3.2 denotes the library version.. It can be vary depending upon the version of Jquery you download. (More...)

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