@doker , I have not received any email regarding that like - to answer the question before it closes like normally we get . Hence It is assumed that its not closed yet....

Bonnie Thanks for the good question. Pradeep got it correct. Yeap. Here internally The RowState remains unchanged, even though the data in DataTable will change. Hence the changes to child table not being sent to the database when the Update command ...

When dealing with a constructor compiler adds statements for all variable initializers and calls the base class constructor. When we write your own common initializing method, the compiler could not find out the redundant code.. To avoid this we need ...

This is similer to the other question captured corners Q3 . Query is not executed when it is defined . **This is called deferred query execution**. All the queries are stored in variables but not executed. The execution logically done out of scope. ...

Dynamic controls are not persistant under post backs. they gets recreated on each button click or postback. To make persist the values in the textboxes, to create them in LoadViewState event of the page We need to make the textboxes available to...

Dynamic controls are not persistant under post backs. they gets recreated on each button click or postback. To make persist the values in the textboxes, to create them in LoadViewState event of the page We need to make the textboxes available to...

Create a page called viewmodel.cs in WPF / Silverlight project. You need to implement ICommand Interface and implement the command members and event handlers. ViewModel class can be inherited from DependencyObject class, properties, methods are d...

**•Address:** Address represents where? For ex: If we want to send a greeting card to a friend in the US . We need to specify the address on the envelope to whom we need to sent. Here the address applies the same . Where to send? WCF services must ...

XMl attribute always checks for open double quote to end so compiler cannot understand Value="<%#Eval(" for parsing. Since it has no meaning it will simply terminate and gives error as "Server tag not well formed ". XML always takes the first matchin...

If we have a string, and we expect it to always be an integer best practice is to use Int32.Parse(). If we are collecting input from a user, we can generally use Int32.TryParse(), since it allows more fine-grained control over the situation when the ...