silverlight怎么实现控件绑定数据库中数据
silverlight如何实现<controls:TreeViewItem>控件绑定数据库中数据
silverlight如何实现<controls:TreeViewItem>控件绑定数据库中数据?急求代码 最好是现成的demo 数据库最好是sql
------解决方案--------------------
其实网络上已经有了很多楼主需求的实例,Silverlight绑定Treeview分为两部分,
1. 客户端部分,treeview绑定
2. 数据库交互部分,负责SQL数据读取;
第一部分,你可以参考一下几篇教程,其中有 源代码下载:
http://www.silverlightchina.net/html/tips/2010/0510/1110.html
http://www.silverlightchina.net/html/tips/2010/0101/515.html
http://www.silverlightchina.net/html/tips/2010/0101/514.html
http://www.silverlightchina.net/html/tips/2010/0101/513.html
http://www.silverlightchina.net/html/tips/2009/1211/391.html
http://www.silverlightchina.net/html/developer/2009/1212/393.html
第二部分,你可以参考下面的教程,WCF与SQL的通讯,其中也有源代码查看:
图文详解Silverlight访问MSSQL数据库
http://silverlightchina.net/html/tips/2009/1229/503.html
http://silverlightchina.net/html/zhuantixilie/getstart/2009/1210/387.html
------解决方案--------------------
silverlight如何实现<controls:TreeViewItem>控件绑定数据库中数据?急求代码 最好是现成的demo 数据库最好是sql
------解决方案--------------------
其实网络上已经有了很多楼主需求的实例,Silverlight绑定Treeview分为两部分,
1. 客户端部分,treeview绑定
2. 数据库交互部分,负责SQL数据读取;
第一部分,你可以参考一下几篇教程,其中有 源代码下载:
http://www.silverlightchina.net/html/tips/2010/0510/1110.html
http://www.silverlightchina.net/html/tips/2010/0101/515.html
http://www.silverlightchina.net/html/tips/2010/0101/514.html
http://www.silverlightchina.net/html/tips/2010/0101/513.html
http://www.silverlightchina.net/html/tips/2009/1211/391.html
http://www.silverlightchina.net/html/developer/2009/1212/393.html
第二部分,你可以参考下面的教程,WCF与SQL的通讯,其中也有源代码查看:
图文详解Silverlight访问MSSQL数据库
http://silverlightchina.net/html/tips/2009/1229/503.html
http://silverlightchina.net/html/zhuantixilie/getstart/2009/1210/387.html
------解决方案--------------------
- C# code
using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Windows.Navigation; using System.ServiceModel.DomainServices.Client; using ABISCustom.Web; namespace ABISAdmin { public partial class temp : Page { DomainServiceCustom customContext = new DomainServiceCustom(); public t_sys_Group modelGroupCw = new t_sys_Group(); public List<t_sys_Group> listGroup = new List<t_sys_Group>(); public List<t_sys_Menu> listMenu = new List<t_sys_Menu>(); //public List<v_GroupMenuList> listVGM = new List<v_GroupMenuList>(); public temp() { InitializeComponent(); showTree(); } // 当用户导航到此页面时执行。 protected override void OnNavigatedTo(NavigationEventArgs e) { } void showTree() { //清除树的所有节点 tvMenu.Items.Clear(); listMenu.Clear(); tvMenu.DataContext = null; var query = (from menu in customContext.GetT_sys_MenuQuery() select menu); LoadOperation<t_sys_Menu> contact = customContext.Load(query); contact.Completed += new EventHandler(contact_Completed); } void contact_Completed(object sender, EventArgs e) { LoadOperation<t_sys_Menu> contact = (LoadOperation<t_sys_Menu>)sender; listMenu = (from menu in contact.Entities select menu).AsQueryable().ToList(); AddTreeNode("ZZZZ", null); //指定选择项开始========================================= TreeViewItem tr = new TreeViewItem(); tr = tvMenu.Items[0] as TreeViewItem; tr.IsSelected = true; //指定选择项结束========================================= } private void AddTreeNode(string parentID, TreeViewItem treeViewItemTemp) { List<t_sys_Menu> result = (from menuInfo in listMenu where menuInfo.PMenuCode == parentID select menuInfo).ToList<t_sys_Menu>(); if (result.Count > 0) { foreach (t_sys_Menu menuinfo in result) { TreeViewItem objTreeNode = new TreeViewItem(); objTreeNode.Header = menuinfo.MenuName; objTreeNode.DataContext = menuinfo; objTreeNode.IsExpanded = true; if (treeViewItemTemp == null) { tvMenu.Items.Add(objTreeNode); } else { treeViewItemTemp.Items.Add(objTreeNode); } AddTreeNode(menuinfo.MenuCode, objTreeNode); } } } } }