win8开发数据绑定之后台创建绑定_用windows函数绑定后台-优快云博客

本文链接：https://blog.youkuaiyun.com/u011626294/article/details/14228671

本文详细解释了数据绑定的基本概念，通过一个简单的实例展示了如何在界面上实现数据的双向更新，涉及布局设置、源目标定义及绑定配置。

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一个基本数据绑定通常包括4个部分，绑定目标、绑定目标属性、源目标、源目标属性下面的例子就是一个简单的单向数据绑定。

首先进行简单的布局，界面如下

源代码如下

<Grid Name="layout" Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
        <TextBlock HorizontalAlignment="Left" Margin="300,242,0,0" TextWrapping="Wrap" Text="员工信息表" VerticalAlignment="Top" Height="36" Width="214" FontFamily="Global User Interface" FontSize="30"/>
        <TextBlock HorizontalAlignment="Left" Margin="243,307,0,0" TextWrapping="Wrap" Text="姓名：" VerticalAlignment="Top" FontSize="20"/>
        <TextBlock HorizontalAlignment="Left" Margin="243,349,0,0" TextWrapping="Wrap" Text="工号：" VerticalAlignment="Top" FontSize="20"/>
        <TextBlock HorizontalAlignment="Left" Margin="243,387,0,0" TextWrapping="Wrap" Text="职务：" VerticalAlignment="Top" FontSize="20"/>
        <TextBlock HorizontalAlignment="Left" Margin="243,419,0,0" TextWrapping="Wrap" Text="薪资：" VerticalAlignment="Top" FontSize="20"/>
        <TextBox Name="txtName" HorizontalAlignment="Left" Margin="308,301,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="195"/>
        <TextBox Name="txtNumber" HorizontalAlignment="Left" Margin="308,338,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="195"/>
        <TextBox Name="txtPost" HorizontalAlignment="Left" Margin="308,375,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="195"/>
        <TextBox Name="txtSalary" HorizontalAlignment="Left" Margin="308,412,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="195"/>

接下来我们要准备源目标，新建一个员工类

public class Employee
    {
        public string Name{get;set;}
        public int Number{get;set;}
        public string Post{get;set;}
        public double Salary{get;set;}
        public Employee(string name,int number,string post,double salary)
        {
            Name=name;
            Number=number;
            Post=post;
            Salary=salary;
        }
    }

在主构造函数中做初始化

 public MainPage()
        {
            this.InitializeComponent();
            Employee employee = new Employee("飞机", 222, "3232", 5000.43);
            layout.DataContext = employee;

            Binding bindingName = new Binding();
            bindingName.Mode = BindingMode.OneWay;
            bindingName.Path = new PropertyPath("Name");
            txtName.SetBinding(TextBox.TextProperty, bindingName);

            Binding bindingNumber = new Binding();
            bindingNumber.Mode = BindingMode.OneWay;
            bindingNumber.Path = new PropertyPath("Number");
            txtNumber.SetBinding(TextBox.TextProperty, bindingNumber);

            Binding bindingPost = new Binding();
            bindingPost.Mode = BindingMode.OneWay;
            bindingPost.Path = new PropertyPath("Post");
            txtPost.SetBinding(TextBox.TextProperty, bindingPost);

            Binding bindingSalary = new Binding();
            bindingSalary.Mode = BindingMode.OneWay;
            bindingSalary.Path = new PropertyPath("Salary");
            txtSalary.SetBinding(TextBox.TextProperty, bindingSalary);
        }