"Asp. Net 2.0 secrets" Reading Notes (8)

* SqlDataSource: indicates that the data is from an SQL relational database, such as ms SQL Server, Oracle, or DB2;

* Performancecontrol: The base class above and accessdatasoucrce indicate table data;

* HierarchicalDataSourceControl: it is a base class of XMLDataSource and sitemapdatasource, indicating tree-level data;

* Parameter: any static Parameter

* ControlParameter: controls or page attribute values, CookieParameter, FormParameter, ProfileParameter, QueryStringParameter, and SessionParameter. This means that it is enough to look at the text;

* DataSource: IEnumeralbe can use this interface as the data source, and IlistSource or IdataSource can be used as the data source;

* Data Binding expression: It is a special expression that calculates the result until it is run. It can be used between <% # And %>, it calculates the result only when the DataBinding event of the control;

* Eval: the Page is protected by DataBinder. Eval ();

* Eval (): when calculating an expression, reflection is used to search for Attributes Based on the name. In this case, some new energy loss occurs. As a compromise, the type can be forcibly converted to the corresponding type to improve performance;

<%#((system.Data.DataRowView)Container.DataItem)["Title"]%>

* ITemplate: the reason why the template supports one-way binding;

* IbindableTemplate: the reason why two-way binding is supported;

* Bind (): Use of Bidirectional binding;

* SQL Server 2005 Express: This version limits many functions, but it is a completely identical database engine. Its database size cannot exceed 4 GB, and the maximum memory usage is 1 GB. It supports CLR, therefore, you can use C # To create a stored procedure;

* | DataDirectory |: The App_Data folder;

* Data Source: the database connection string can be replaced by the Server;

* Initial Catalog: it can be replaced by Database;

* AttachDbFilename: attaches the database to the local data server, which facilitates development by teammates;

* Absolute positioning: learning to use absolute positioning can omit many pages;