master page in

In previously we already discuss the “required field validation ”, “Range validator ” & “Compared field validator” with a full description with practical solution checked it out now I show you the master page in asp net. so open your visual studio For more learn about the master page in asp net:- master page in asp net

ASP.NET master pages allow you to create a consistent layout for
the pages in your application.

so A single master page defines the look and feels and standard behavior that you want for all of the pages (or a group of pages) in your application.

You can then create individual content pages that contain the content
you want to display.

When users request the content pages, they merge with the master page to produce output that combines the layout of the master page
with the content from the content page.

A master page defines both the static page layout and the regions that can be edited by the ASP


.NET pages that use the master page.

These content editable regions are indicated by

ContentPlaceHolder control,

which can be seen with

in the content

so here Our master page has a single ContentPlaceHolder (MainContent), but m
aster pages may have multiple ContentPlaceHolders.

The @ Master directive defines it as a master page. The master page contains a placeholder tag for individual content.

so The id attribute identifies the placeholder, allowing many placeholders
in the same master page.

The master page can also contain code, allowing dynamic content. <%@ Master Language=”VB” AutoEventWireup=”true” CodeFile=”Site.master.vb” Inherits=”Site” %> In Content Page,

so @Page directive there’s a reference to the master page file used (Master PageFile=”~/Site.master”), and
the ASP.NET page’s markup contains a Content control for each of the ContentPlaceHolder controls defined in the
master page, with the control’s ContentPlaceHolderID mapping the Content control to a specific ContentPlaceHolder.

Content control is where you place the markup you want to appear in th
e corresponding ContentPlaceHolder. <%@ Page Language=”VB” MasterPageFile=”~/Site.master” AutoEventWireup=”true” CodeFile=”Default.aspx.vb” Inherits=”_Default” Title=”Untitled Page” %>

Requirement Of a Master Page

so The master pages can be used to accomplish the following:

Creating a set of controls that are common across all the web pages and attaching them to all the web pages.

A centralized way to change the above-created set of controls will effectively change all the web pages.

Dynamically changing the common UI elements on the master page from content pages based on user preferences.

The extension of MasterPage is ‘.master’.

MasterPage cannot be

directly accessed from the client because it just acts as a template for the other Content Pages.

So In a MasterPage, we can have content either inside ContentPlaceHolder or outside it.

Only content inside the Content Placeholder

can be customized on the Content Page.

We can have multiple masters in one web application. A Master Page can have another Master Page as Master to it.

As well as if you wont to learn more visit our website:-

By Sharma

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