Server controls in ASP.NET allow developers to add dynamic and interactive elements to web forms. There are two main types of server controls - HTML server controls which wrap standard HTML elements, and web controls which provide richer functionality. Controls can have properties set, methods called, and events handled from the server side code. When an event like a button click occurs, the page posts back to the server, runs event handlers, and returns the updated page output.
This presentation gives introduction to ADO.Net.
Basic introduction to connected & Disconnected architecture.
and explain the each every component in Ado.net
This presentation gives introduction to ADO.Net.
Basic introduction to connected & Disconnected architecture.
and explain the each every component in Ado.net
What is the DOM?
The DOM is a W3C (World Wide Web Consortium) standard.
The DOM defines a standard for accessing documents:
"The W3C Document Object Model (DOM) is a platform and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of a document."
The W3C DOM standard is separated into 3 different parts:
Core DOM - standard model for all document types
XML DOM - standard model for XML documents
HTML DOM - standard model for HTML documents
The HTML DOM (Document Object Model)
When a web page is loaded, the browser creates a Document Object Model of the page.
The HTML DOM model is constructed as a tree of Objects.
With the HTML DOM, JavaScript can access and change all the elements of an HTML document.
JSP technology has facilitated the segregation of the work of a Web designer and a Web developer.
A Web designer can design and formulate the layout for the Web page by using HTML.
On the other hand, a Web developer working independently can use java code and other JSP specific tags to code the business logic.
The simultaneous construction of the static and dynamic content facilitates development of quality applications with increased productivity.
Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
Anchor object
Document object
Event object
Form and Form Input object
Frame, Frameset, and IFrame objects
Image object etc
Dom hiearchy,managing events
onload and onunload
Using the Onclick Event Handler
https://www.youtube.com/watch?v=lKrbeJ7-J98
HTTP messages are how data is exchanged between a server and a client. There are two types of messages: requests sent by the client to trigger an action on the server, and responses, the answer from the server.
PHP string function helps us to manipulate string in various ways. There are various types of string function available. Here we discuss some important functions and its use with examples.
What is the DOM?
The DOM is a W3C (World Wide Web Consortium) standard.
The DOM defines a standard for accessing documents:
"The W3C Document Object Model (DOM) is a platform and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of a document."
The W3C DOM standard is separated into 3 different parts:
Core DOM - standard model for all document types
XML DOM - standard model for XML documents
HTML DOM - standard model for HTML documents
The HTML DOM (Document Object Model)
When a web page is loaded, the browser creates a Document Object Model of the page.
The HTML DOM model is constructed as a tree of Objects.
With the HTML DOM, JavaScript can access and change all the elements of an HTML document.
JSP technology has facilitated the segregation of the work of a Web designer and a Web developer.
A Web designer can design and formulate the layout for the Web page by using HTML.
On the other hand, a Web developer working independently can use java code and other JSP specific tags to code the business logic.
The simultaneous construction of the static and dynamic content facilitates development of quality applications with increased productivity.
Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
Anchor object
Document object
Event object
Form and Form Input object
Frame, Frameset, and IFrame objects
Image object etc
Dom hiearchy,managing events
onload and onunload
Using the Onclick Event Handler
https://www.youtube.com/watch?v=lKrbeJ7-J98
HTTP messages are how data is exchanged between a server and a client. There are two types of messages: requests sent by the client to trigger an action on the server, and responses, the answer from the server.
PHP string function helps us to manipulate string in various ways. There are various types of string function available. Here we discuss some important functions and its use with examples.
Java Programming- Introduction to Java Applet ProgramsTrinity Dwarka
Java Programming- Introduction to Java Applet Programs
Java Applets
Java Applet Classes
Contrast Application with Applet
Applet Declaration
Body of an Applet
Applets
Applets and Web Pages – HTML
Running the Applet
Overview of ASP.NET
An ASP.NET Page
Server Controls
User Controls
Validation
Master Pages
Themes & skins
Page Cycle Events
Menu, Navigation & Sitemaps
Some cool new ASP.NET 2 Server Controls
Topics Covered
==============================
Overview of .NET
Overview of ASP.NET
Creating an ASP.NET Web Form
Adding Event Procedures
Validating User Input
In this slide I described all control which is used by the Html Form Controls such as checkbox , radio , text , drop down list / select , file upload and html output controls.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
2. ASP.NET Controls
ASP includes normal HTML elements
Server-side controls are objects that provide
corresponding HTML output.
You can set their properties, call methods and
program events on them
2
3. Server Controls
Four types of server controls:
HTML server controls: server-based equivalent for
standard HTML elements
Web controls: more object properties and events + new
types of controls not in HTML
Validation controls: check user inputs
User controls: developer designed controls
More controls in ASP.NET 2.0
3
4. HTML Server Controls
An object interface for standard HTML elements
Generate equivalent interface
Retain their state
Fire events
Add the attribute “runat=serevr” and an id to the
HTML element start tag
4
5. HTML Server Controls Traditional HTML form
<html> <body>
<form method="post">
Enter Number of hours: <input type=text >
<input type=submit value="convert to seconds">
</form></body></html>
ASP.NET HTML server controls
<HTML><BODY>
<form method="post" runat="server“ >
Enter Number of hours: <input type=text runat="server" id="hours">
<input type=submit value="convert to seconds" runat="server" id="convert">
</form></Body></HTML>
Run server-control file and see the generated code
5
6. HTML Server Controls Automatically maintain state of controls in the page using
the hidden field which is compressed and encrypted code.
Exists in System.Web.UI.HTMLControls
Note: An .aspx page can only contain ONE <form
runat="server"> control!
Two types of events: ServerClick, ServerChange
6
7. 7
HTML Server Control Description
HtmlAnchor Controls an <a> HTML element
HtmlButton Controls a <button> HTML element
HtmlForm Controls a <form> HTML element
HtmlGeneric Controls other HTML element not specified by a specific HTML server
control, like <body>, <div>, <span>, etc.
HtmlImage Controls an <image> HTML element
HtmlInputButton Controls <input type="button">, <input type="submit">, and <input
type="reset"> HTML elements
HtmlInputCheckBox Controls an <input type="checkbox"> HTML element
HtmlInputFile Controls an <input type="file"> HTML element
HtmlInputHidden Controls an <input type="hidden"> HTML element
HtmlInputImage Controls an <input type="image"> HTML element
HtmlInputRadioButton Controls an <input type="radio"> HTML element
HtmlInputText Controls <input type="text"> and <input type="password"> HTML
elements
HtmlSelect Controls a <select> HTML element
HtmlTable Controls a <table> HTML element
HtmlTableCell Controls <td>and <th> HTML elements
HtmlTableRow Controls a <tr> HTML element
HtmlTextArea Controls a <textarea> HTML element
8. HTMLServer Control Properties
Similar properties as HTML attributes:
Input controls: value , type
Img: src, width, height, ..
HTML Container Controls: InnerText, InnerHtml
All HTML controls have:
Disabled, visible, TagName, Style, Page
8
9. Web Controls Provide rich user interface (mapped to more than
one HTML element)
Provide more properties, events and methods
than HTML tags
Detect browser type and adjust output
automatically
Server controls automatically maintain any
client-entered values between round trips to the
server. This control state is not stored on the
server (it is instead stored within an <input
type="hidden"> form field that is round-tripped
between requests).
9
10. 10
Web Server Control Description
Button Displays a push button
CheckBox Displays a check box
CheckBoxList Creates a multi-selection check box group
DropDownList Creates a drop-down list
HyperLink Creates a hyperlink
Image Displays an image
ImageButton Displays a clickable image
Label Displays static content which is programmable (span)
LinkButton Creates a hyperlink button
ListBox Creates a single- or multi-selection drop-down list
Panel Provides a container for other controls
RadioButton Creates a radio button
RadioButtonList Creates a group of radio buttons
Table Creates a table
TableCell Creates a table cell
TableRow Creates a table row
TextBox Creates a text box
11. Web Controls
Tags start with prefix “asp:” then class name
Attribute runat=server
ASP.NET add “name” attribute to controls to track
them.
Object properties are mapped to attributes
<asp:TextBox id=“T1” runat=“server”> </asp:TextBox>
<input type=text name=“T1” id=“T1” />
Defined in System.Web.UI.WebControls
11
12. Web Controls All web controls have:
BackColor, BorderColor and ForeColor
BorderWidth, BorderStyle
Font
Height, Width
TabIndex, AccessKey
Enabled, visible, EnableViewState
TextBox control properties:
TextMode: SingleeLine, MultipleLine, Password
MaxLength: maximum number of characters accepted
Columns: width of the control
Rows: display height of the control
12
13. Web Controls
Button / label:
text
CheckBox / RadioButton :
Text: (label next to the control)
TextAlign: text alignment relative to control
Checked
Panel: Group a number of controls
BackImageUrl
13
14. Web Controls
Table:
Properties: BackImageUrl, CellPadding, Cellspacing,
GridLines
Rows a collection of TableRow objects
TableRow
Cells: a collection of TableCell objects
TableCell
ColumnSpan/RowSpan
HorizontalAlign / VerticalAlign
text
14
15. List Controls ListBox, DropDownList, CheckBoxList,
RadioButtonList
Items: Collection of “ListItem” objects, which has:
text : Displayed word
value : hidden value in HTML code
Selected: boolean
Properties: SelectedIndex, SelectedItem
Multiple selection for ListBox, set “SelectionMode” property
RadioButtonList/ CheckBoxList properties:
RepeatColumns, RepeatDirection, RepeateLayout, TextAlign
15
16. Web Control Events
Events types: Click, TextChange, CheckChanged,
SelectedIndexChanged
Change events have their autoPostBack property false
by default.
ASP.NET adds a Java Script code that handles the
postback to the server when a server side control event
has occurred
Two hidden fields (id of triggered control, and
additional information)
16
17. Page Lifecycle
When the user changes a control that has
autopostback set to true:
1. Java script is invoked and the page is resubmitted
2. ASP.NET recreates page object from .aspx file
3. ASP.NET retrieves state information from hidden fields
and updates controls
4. Execute Page_load event handler
5. Execute appropriate event handlers
6. Execute page_unload event handler and render page
7. Send page to client
17
18. Page Processing Steps
18
Client
ASP.NET creates page objects
from aspx code
Web page request
ASP.NET runs Page.load
event handler
Final page is rendered
HTML output returned
Page postback
ASP.NET creates page objects
from aspx code
ASP.NET runs Page.load
event handler
Final page is rendered
ASP.Net runs any other
Triggered event handler
HTML output returned
