ado net in a nutshell

... .NET data provider implementation. IDbDataAdapter A DataAdapter for use with a relational database that inherits from IDataAdapter. It populates a DataSet and reconciles any changes to the DataSet ... forward-only stream of data from the data source. IDataAdapter A DataAdapter that populates a DataSet and reconciles any changes to the DataSet bac k to the data source. This is the o...

Ngày tải lên: 07/04/2014, 15:00

... related data that's disconnected from its original data source. ADO. NET is not the same thing as ADO, nor is ADO. NET a new version of ADO. Instead, ADO (or ActiveX Data Objects) is a ... a data source, and execute commands against the data source. The most important class in each of these namespaces is a data adapter class (in the OleDb namespace, it's the...

Ngày tải lên: 09/12/2013, 17:15

... ODBC, and other data adapters easily. The SqlDataAdapter, OleDbDataAdapter, and OdbcDataAdaper classes represent data adapter components in Sql, OleDb, and ODBC data 933ch4 3/20/02 11:03 AM Page ... the connection, each data provider has a corresponding data adapter class. All data adapters in ADO. NET work in the same way, which means if you know how to work with Sql data adapters...

Ngày tải lên: 22/03/2014, 18:20

... controls and any padding speci- fied with AutoScrollMargin, and at least as wide as AutoScrollMinSize.Width, and it will be tall enough for the controls and any padding, and at least as tall as AutoScrollMinSize.Height.) You ... run as a standalone application; you usually only get a site when being hosted in something like Internet Explorer.) .NET WINDOWS FORMS IN A NUTSHELL Ia...

Ngày tải lên: 25/03/2014, 10:38

... endpoint has had an error and it's halt bit has been set, it returns a STALL. IN DATA x NAK STALL ACK OUT DATA x ACK NAK STALL Token Phase Data Phase Handshake Phase USB in a Nutshell Page ... function can either reply with a DATA packet containing the bulk data to be sent, or a stall packet indicating the endpoint has had a error or a NAK packet indicating to the host...

Ngày tải lên: 13/12/2013, 00:15

... self-contained programs written in the Java programming language, that can be placed inline on a web page just like a graphic. There are lots of Java applets available on the Web for free from Java ... positioned using the align attribute and its related hspace and vspace settings. In Internet Explorer, you can also specify alternative text with the familiar alt attribute. There are...

Ngày tải lên: 21/12/2013, 05:17

... the following classes: abstract class Animal {} abstract class Bird : Animal {} abstract class Insect : Animal {} abstract class FlyingCreature : Animal {} abstract class Carnivore : Animal {} // ... don’t anticipate any subclassing, you can mark the class as sealed to preempt interface reimplementation. Interfaces and Boxing Casting a struct to an interface causes boxing. Calling an implic...

Ngày tải lên: 24/01/2014, 18:00

... the following classes: abstract class Animal {} abstract class Bird : Animal {} abstract class Insect : Animal {} abstract class FlyingCreature : Animal {} abstract class Carnivore : Animal {} // ... don’t anticipate any subclassing, you can mark the class as sealed to preempt interface reimplementation. Interfaces and Boxing Casting a struct to an interface causes boxing. Calling an implic...

Ngày tải lên: 24/01/2014, 18:55

... original $bar; and the last passes in both the original $foo and $bar. Passing by reference, as with $bar in line three and $foo and $bar in line four, means that these variables can be changed inside ... takes a string parameter and returns an array containing the letters used in that string and how many times each letter was used. Using count_chars( ) is complicated by the fact th...

Ngày tải lên: 15/02/2014, 16:20

... already scattered around the Internet about building the Linux kernel, as well as adding a lot of new and useful information that was not written down anywhere but had been learned by trial and ... storage of information in memory used to imitate disks (ramdisks) is done, including init ramdisks that hold information necessary at some stages of booting. initrd Location of initial ramdisk....

Ngày tải lên: 17/02/2014, 23:20