wpf database tutorial

C # development Wpf/silverlight animation and games series Tutorials (Game Tutorial): (41) make exquisite mini map ① What will it take to endure the thoughts of the next few months? In addition to study or study. Feeling a turn, hehe. In this section I will explain how to make a nice mini map for Silverlight games. The mini map is divided into two kinds, one is the mini radar (navigation) map which is usu

cmdstr = "SELECT * from Camerainfo ORDER BY PID desc limit 100";Databasemysqlhander sql = new Databasemysqlhander (CONNECTSTR);DataTable dt = sql. Getdatatable (CMDSTR);if (dt = = null) return;Create a copy of a DataTableDataTable temptable = new DataTable ();temptable = dt. Clone ();//structure of cloned System.Data.DataTableIncludes all System.Data.DataTable architectures and constraints.if (temptable! = null dt. ROWS.COUNTGT;0){for (int i = 0; i {Temptable.importrow (dt. Rows[i]);}}To bind

the next UniformGrid is the simplified version of the grid, with the same size for each cell, and no need to define a row and column collection. Each cell always has the same size, and each cell can hold only one control, automatically creating rows and columns as defined by the number of elements within it, and usually maintaining the same number of rows. There are no row and column attached properties in UniformGrid, and there are no blank cells.UniformGrid layout controls are rarely used com

Orientation property is set to horizontalAs shown in the next 2 figure, figure 1 is the effect of the form width of a child, figure 2 is the effect of the width of the form after pulling largeFigure 1Figure 2Using XAML code implementations:1"Wpfdemo.mainwindow"2xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"3xmlns:x="Http://schemas.microsoft.com/winfx/2006/xaml"4title="wrappanel Panel"height="237"Width="525"windowstartuplocation="Centerscreen">5"Horizontal">6" -"> button 17" -

C # development Wpf/silverlight animation and game series Tutorials (Game Tutorial): (44) make the protagonist attribute panel and add a device A large number of menu panels are used in the game, and these panels tend to have tabs. If you use the TabControl in the Silverlight tool, you need to implement a custom style with a complex XAML rewrite template, which often gives developers headaches, after all,

C # development Wpf/silverlight animation and games series (Game Tutorial): (39) to Silverlight transplant ① First, the main improvements: 1) Silverlight3.0 on the right key implementation: //注册右键事件 HtmlPage.Document.AttachEvent("oncontextmenu",　Game_MouseRightButtonDown); //鼠标右键事件 private　void　Game_MouseRightButtonDown(object　sender,　HtmlEventArgs　e)　{ 　　　　　　　　e.PreventDefault();　//取消右键弹出菜单 ……逻辑部分 } Th

= This. Tb_name. Text; //Current status_ucitem.cb_type2. Text ="not"; //Approval Status _ucitem.loadcombobox (); //initialization information added to new Sp_1.Children.Add (_ucitem); Canvas.setleft (_ucitem,0); Sp_1.height= Math.max (Sp_1.Children.Count *Ten,930); } Private voidBtn_nosolve_click (Objectsender, RoutedEventArgs e) { } Private voidBtn_solve_click (Objectsender, RoutedEventArgs e) { } Private voidBtn_back_click (Objectsender

WPF histogram (Support for database dynamic update)In this article we describe how to wrap a histogram into a component, to open the properties of the component to the outside of the component's internal properties, and to dynamically update the data in a non-polling way.Non-polling update data feel the introduction of not enough detail please see this articleWPF non-polling update

First, draw a form, put in a ListView and then give each column a good name, and the bound data is the column name of the temporary tableCreate a temporary table to store the data and bind the ListView to the temporary table above the DataTable Public Partial classMainwindow:window { PublicMainWindow () {InitializeComponent (); //Call the creat function to generate a four-column tableDataTable DT1 =creat (); //Four the list has been generated, so we need to store the data in these four columns.

thinkphp Connection database and master-slave database setup tutorial, thinkphp master-Slave This paper describes in detail the thinkphp connection database and the master-slave database setup method, which is very practical in the thinkphp project development. The implemen

SQLite tutorial (10): Memory Database and temporary database, sqlite tutorial I. Memory Database: In SQLite, databases are usually stored in disk files. However, in some cases, we can keep the database in the memory. The most comm

PHP's YII framework uses database configuration and SQL Operations Examples tutorial, yii example Tutorial Database access (DAO)YII contains a data access layer (DAO) built on top of the PHP PDO. DAO provides a unified set of APIs for different databases. Where ActiveRecord provides interaction between the

)] is the selector that defines calling the database table in the attribute settings. Lines 30-36 in the same Code define the attributes of a database. Enter the following content in the Code: 1 @model DynamicCodeGenerate.myModel 2 @{ 3 foreach(var item in Model.DataBase.Tables){ 4 @:TableName:@item.Name 5 foreach(var itemcolumn in item.Columns) 6 { 7 @:Column:@itemcolumn.

Database optimization tutorial (I) preface definition of slow query, and introduction of database optimization tutorial Preface Recently, I helped the company optimize the database. Based on what I learned, I used the learning knowledge step by step in practice, and finall

Oracle Database Change and backup database step tutorial, oracle backup tutorialOracle Database Change 1. Stop the Application Middleware involved/lock the oracle user alter user GWM_BL_UAT account lock View select username, account_status from dba_users where username = 'gwm _ BL_UAT '; 2. use plsql tool-session kill

PHP connection and Operation MySQL database basic tutorial, MySQL basic tutorial Start from here What is my blog, background database? Yes, it is MySQL, the server side of the script is PHP, the entire framework uses WordPress. PHP and MySQL, like couples, are always working together. Now here, the collection of PHP,

Oracle full recovery database tutorial, oracle Database tutorial Oracle full recovery database tutorial Completely recover the data file rman target/list backup summary; check whether there is a backup. If there is no backup, p

Database optimization tutorial (I) preface definition of slow query, and introduction of database optimization tutorial Preface Recently, I helped the company optimize the database. Based on what I learned, I used the learning knowledge step by step in practice, and finall

Database optimization tutorial (3) Slow query of records and database optimization tutorial Query1. Slow query foundIn the previous section, we made data preparation for slow queries. This section allows us to find slow queries and record them to files. 3. Slow query of records Now we have the cost of making slow quer

Database optimization tutorial (3) Slow query of records and database optimization tutorial Query1. Slow query foundIn the previous section, we made data preparation for slow queries. This section allows us to find slow queries and record them to files. 3. Slow query of records Now we have the cost of making slow quer