ASP.NET Exclusive Interview Questions and Answers (348) - Page 14

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Javascript does not support types, but it has subtypes can you please mention what are the sub types in JavaScript?

Number,
String,
Boolean,
Function,
Object,
Null,
Undefined.

In Javascript arrays are always dynamic, True or False?

Its true, In javascript we can increase the size of array at runtime by one element at a time.
Following is the syntax to increase the size of array
ar[ar.length] = value;

For maximum programmatic control of our environment, we can also create custom Web Parts controls that derive from the ____________

NOTE: This is objective type question, Please click question title for correct answer.

Does java script supports Inheritance?

No, It is only object based and not object oriented.

The .NET Framework installs with predefined configuration sections in the ________file.

NOTE: This is objective type question, Please click question title for correct answer.

Which of the following are true to the JavaScript?

NOTE: This is objective type question, Please click question title for correct answer.

The __________________ namespace contains classes and interfaces known collectively as the Web Parts control set.

NOTE: This is objective type question, Please click question title for correct answer.

How to display text in a message box using JavaScript?

alert("Your message goes here…")

How can ensure that the execution of the function in JavaScript is delayed by 5 secs?

setTimeout("FunctionName()",5000);

What are the javascript function which can convert a string into Integer and double?

parseInt and parseFloat

What are the best practices to follow to secure connection strings in an ASP.NET web application?

1. Always store connection strings in the site's Web.config file. Web.config is very secure. Users will not be able to access web.config from the browser. 2. Do not store connection strings as plain text. To help keep the connection to your database server secure, it is recommended that you encrypt connection string information in the configuration file.
3. Never store connection strings in an aspx page.
4. Never set connection strings as declarative properties of the SqlDataSource control or other data source controls.

How can you declare an array in JavaScript?

var arrNames = new Array(10);

______________ Class Provides an editor control that enables end users to edit several user interface (UI) properties on an associated WebPart controls.

NOTE: This is objective type question, Please click question title for correct answer.

Why is "Connecting to SQL Server using Integrated Security" considered a best practice?

Connecting to SQL Server using integrated security instead of using an explicit user name and password, helps avoid the possibility of the connection string being compromised and your user ID and password being exposed.