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.Net Web development 2
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2008-03-28 22:39unserstanding between both is --we will talk in port http port 80 (443 for https) Request is a text GET /default.html HTTP/1.1 Host: www.janaganamana.net Above GET can be any of the following OPTIONS/GET/HEAD/post/put/delete/TRACE/CONNECT/DEBUG btw.DAV-distributed authoring and versioning in a superset of http with extra features like file manipulations add delete ... this is typical response HTTP/1.1 200 OK Server: Microsoft-IIS/6.0 Content-Type: text/html Content-Length: 38 <html><body>Hello, world.</body><html> 200 is - i am OK you are OK SERVER can be something else too Content types can be text image audio video Most ly these codes are 1xx I got it wait... to process. 2xx I am OK you are OK Success 3xx More action needed 4xx I am ok you are not OK Client Error 5xx I am not OK you are OK Server Error btw.. one important note -- When you access a page we get lot of text but not all images. images are asked later again when client see tags like <img>. telnet (change port from 23 to 80) can simulate your browser. Believe me Notepad too can do that :) try to open http://www.hotmail.com from notepad. btw ...GET or POST may decide your IsPostBack
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2008-03-28 22:39YOUR single webpage in asp.net may contain an aspx page and an aspx.cs page If you dont seperate them mostly you are doing inline coding. Otherwise codebehind. Your codebehind may be using other codebehind--helper classes. Fornow--Yourpage is a class. Read about ..Active mode ftp and passive mode ftp
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2008-03-28 22:39Folowing folders tell some coding standards - don't get confused. App_Browsers identify browsers and determine their capabilities. App_Code helper classes App_Data Contains application data files .mdf /.xml App_GlobalResources .resx and .resources files App_LocalResources localised resources App_Themes .skin and .css files App_WebReferences will have Web reference files .wsdl, .xsd, .disco, and .discomap files) Bin Contains compiled assemblies
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2008-03-28 22:39all your webapplications follow UUNO(until and unless not overridden) in web.config Your webpages in one app will follow web.config UUNO in sub folder web.config file %WINDIR%\Microsoft.NET\Framework\version\Config\machine.config web based app for webadministration is provided for security application configuration Provider configuration btw... TRACE is one setting in web.config <trace enabled="false" // enable? requestLimit="10" // requests to cache pageOutput="false" //directly on page traceMode="SortByTime" // localOnly="true" // only on server machines's apps mostRecent="true" // />
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2008-03-28 22:40Inside TRACE Request Details Trace Information Control Tree Session State Application State Request Cookies Collection Headers Collection Form Collection QueryString Collection Server Variables Fundamentals of HTML webpages -- lot of html tags like ......... Fundamentals of asp.net is Control Plus HTML (where control also renders to a html) Derived from control are Webcontrol HTML control Template Control -- > page Specialized controls It is all in a moment of giving response - all objects take birth and die. btw -- viewstate is a control that renders to a hidden form tag -- (webserver knows how to read it on postback) Life of a control 1 LoadControlState Loads the ControlState of the control 2 LoadViewState 3 LoadPostData 4 Load (OnLoad) control is stable at this time. it is reconstructed. 5 RaisePostDataChangedEvent Is defined on the interface 6 RaisePostbackEvent Handles the client-side event that caused the Postback 7 PreRender (OnPreRender) Allows last-minute changes to the control. 8 SaveControlState Saves the current control state to ViewState. 9 SaveViewState Saves the current data state of the control to ViewState. 10 Render Generates the client-side HTML 11 Dispose Accepts cleanup code.. 12 UnLoad
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2008-03-28 22:42htmlcontrol - Image - Link InputControl Button TExt hidden HTMLContainer Genericcontrol Web server controls offer more functionality and a more consistent programming model than HTML server controls. Web server controls may also render as many HTML tags and may also include client-side JavaScript code. This means that it is possible to create very elaborate Web server controls, such as a calendar control or a data grid control. GridView control is a naming container. The naming container for a given child control is a control above it (parent or higher) in the hierarchy that implements the INamingContainer interface. A server control implements this interface to create a unique namespace for populating the UniqueID property values of its child server controls. The UniqueID property contains the fully qualified name of the control. The difference between this property and the ID property is that the UniqueID property is generated automatically by the NamingContainer and contains the NamingContainer information. use FindControl for finding controls within naming container Control c = FindControl("lblMessage"); AccessDataSource SqlDataSource XmlDataSource ObjectDataSource SitemapDataSource HeaderTemplate FooterTemplate ItemTemplate AlternatingItemTemplate SelectedItemTemplate SeparatorTemplate EditItemTemplate <%# Eval("Vin") %>
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