What is WPF (Windows Presentation foundation )?

Windows Presentation Foundation (WPF) provides a unified programming model for building rich Windows smart client user experiences that incorporate UI, media, and documents.

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What is WWF or Windows Workflow Foundation ?

WWF (Windows Workflow Foundation) is a platform for designing, managing and executing workflow-enabled applications.

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What is Windows communication foundation, WCF?

WCF (Windows Communication Foundation) offers Distributed Programming through Service Oriented Programming Model.

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Daily Tips- Tip #28 - How to access ViewState value of the previous page in the current page ?

Previous page's information is stored in a property called PreviousPage and you can access it using the following code,
Page prePage = this.PreviousPage;
Label totalEmployees = prePage.FindControl("lblTotEmployees");
Response.Write(totalEmployees.Text);

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What are the differences between Cache object and Application object ?

Sno	Application	Cache
1	Life of Application objects are till the end of Application unless you destroy it.	Also provides application-wide scope but get destroyed by expiration mechanism.
2	You have Locking mechanism in Application object	Not available.
3	Not available.	Has a feature called SQL Cache dependency using which you can invalidate a cache object based on the changes to its source in the table

What is marshalling? What are the types of marshalling?

Marshalling is the process in which the data is serialized at one application domain and deserialized at the another application domain or vice versa.
Types :
1. Marshal by value
2. Marshal by reference

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What data type does the RangeValidator supports ?

Integer, String and Date .

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Can Partial Classes be applied over an enumerator ?

No.

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Can Partial Classes be applied over a Delegate ?

No.

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On which situation Partial Classes are used ?

When multiple programmers need to work on a same class then Partial class is an obvious choice.

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What is a Partial Class (or struct or interface)?

A partial class is a feature in which you split a class definition into two or more files. All the parts are joined together when the application is compiled.

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Do Login Controls implement Forms Authentication ?

Yes.

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Can we Inherit Abstract Class ?

Yes.

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How can you provide an alternate color schema in a Repeater Control ?

You can provide an alternate color schema in a Repeater Control AlternatingItemTemplate.

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What is the life span for items stored in ViewState ?

Items stored in ViewState exists until the page in which they are stored exists.

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Is String Mutable or Immutable ?

Immutable

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How will you sort an Array in descending order?

You can sort an Array in descending by the calling the following methods,
Sort();
Reverse();

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Daily Tips- Tip #27 - How will you get the value of ASP.Net control in Javascript ?

You can call the ASP.NET control from Javascript using the document.getElementById method.
Ex:
Let txtEmployeeName be a Textbox, then
var tEmp = document.getElementById('<%=txtEmployeeName.ClientID%>');

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Daily Tips- Tip #26 - An alternate to Javascript's document.getElementByid()?

You can use as an alternate to Javascript's document.getElementByid(), the following ASP.NET AJAX's method,
$get('nameofcontrol')
Ex:
var myctrl = $get('lblTotal')

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What is the difference between Convert.ToInt32(string) and Int32.Parse(string) ?

Int32.Parse thorws an exception when null value is passed whereas Convert.ToInt32 returns zero . Apart from this both function in a simillar manner.

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What is the difference between EVAL and BIND ?

Eval is readonly and used to display whereas Bind is used to both display and update .

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What is a Sharepoint Site Collection ?

It is a group of sites built over WSS and it requires a top-level site.

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SharePoint 2010 Technical Preview

Microsoft SharePoint Team Blog has announced SharePoint 2010 Technical Preview today.
What is SharePoint 2010 ?
Definition by Microsoft is "SharePoint 2010 is the business collaboration platform for the Enterprise & the Web that enables you to connect & empower people through an integrated set of rich features."

For more information refer the following link,
SharePoint 2010 Technical Preview

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What is a Top-level site in Sharepoint ?

This is the root site for your sites. It will have sub-sites and i will not be a sub-site to any other site.

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