learn xml coding

I. Background of XML generation XML, like HTML, comes from standard generalized Markup Language, the standard universal Markup Language, or SGML. SGML existed long before the web was invented. SGML, as its name puts it, is a common language that describes documents with tags, including a series of document type definitions (DTD), where the meaning of markup is defined in the DTD, so SGML's syntax can be e

Learn how to extract database data into XMLCode:News. mdb database structure: News (ID, title, content, time) String fileurl = system. Web. httpcontext. Current. server. mappath ("app_data") + "\" + "news. mdb ";Oledbconnection con = new oledbconnection ("provider = Microsoft. Jet. oledb.4.0; Data Source =" + fileurl );Oledbdataadapter ODA = new oledbdataadapter ("select * from news", con );Dataset DS = new dataset ();ODA. Fill (DS, "news "); Datatabl

variables, use one of the following filter functions: Filter_var ()-Filters a single variable by a specified filter Filter_var_array ()-Filters multiple variables by the same or different filters Filter_input-Gets a Input variable and filter it Filter_input_array-get multiple input variables and filter them by the same or different filters.There are two types of filters:Validating Filter: Used to validate user input Strict formatting rules (e.g. URL or e-mail authentication) Re

layout rotates accordingly, but the part of the component is mechanically stretched and re-adjusted itself and its own subcomponents. How to adjust the layout of the horizontal mode effectively according to your needs? To achieve this, you can try the following steps: To create the Res/layout-land directory, copy the layout files from the Res/layout directory to the Res/layout-land directory; By changing the layout file under the Res/layout-land directory, the goal of self-modifyin