Silverlight动态创建Gird

用DataGrid有时候无法定制非常个性化的界面，Grid就相当于html中的table了。
按道理可以定制任何想要的界面。如图

大气象  void GeneralGrid()
{
    Grid grid = new Grid();
    //定义两行
    grid.RowDefinitions.Insert(0, new RowDefinition() { Height = new GridLength(20) });
    grid.RowDefinitions.Insert(1, new RowDefinition() { Height = new GridLength(20) });
    //定义两列
    grid.ColumnDefinitions.Insert(0, new ColumnDefinition() { Width = new GridLength(50) });
    grid.ColumnDefinitions.Insert(1, new ColumnDefinition() { Width = new GridLength(100) });

    TextBox txt = new TextBox();
    txt.SetValue(Grid.RowProperty, 0);//定义所在行
    txt.SetValue(Grid.ColumnProperty, 0);//定义所在列

    Button btn = new Button();
    btn.Content = "大气象";
    btn.SetValue(Grid.RowProperty, 1);
    btn.SetValue(Grid.ColumnProperty, 1);

    //添加Grid里面的动态控件
    grid.Children.Add(txt);
    grid.Children.Add(btn);

    //设置Grid的外边距
    grid.Margin = new Thickness(10, 20, 30, 40);//左上右下，顺时针

    spDataList.Children.Add(grid);//将Grid添加到StackPanel中
}

 

参考一：silverlight动态创建控件及控件事件动态指定(c#)
在写silverlight程序的某些时候难免要动态创建控件或修改控件事件，以下为示例代码： Code
 1 
 2 public partial class EventDemo : UserControl 
 3     { 
 4         private int newButtonPosition = 100; 
 5   
 6         public EventDemo() 
 7         { 
 8             InitializeComponent(); 
 9             //Anthor按钮单击事件 
10             Another.Click += new RoutedEventHandler(Another_Click); 
11         } 
12   
13         //Anthor按钮单击后，执行方法 
14         void Another_Click(object sender, RoutedEventArgs e) 
15         { 
16             //创建一个Button 
17             Button b = new Button(); 
18             //显示内容 
19             b.Content = "I live!"; 
20             //为新创建的控件新建Thickness对象，用来设置Button控件的位置 
21             //原文中使用了Canvas.LeftProperty和Canvas.TopProperty 
22             Thickness tn = new Thickness(10,this.newButtonPosition,0,0); 
23             b.SetValue(Canvas.StyleProperty, tn); 
24             //到顶部的距离递增 
25             this.newButtonPosition += 30; 
26             b.Width = 100; 
27             b.Height = 20; 
28             //给这个新建的按钮的Click事件添加一个处理方法 
29             b.Click += new RoutedEventHandler(b_Click); 
30             //添加到父控件，并显示 
31             myCanvas.Children.Add(b); 
32         } 
33   
34         //点击添加的控件触发 
35         void b_Click(object sender, RoutedEventArgs e) 
36         { 
37             Button btn = sender as Button; 
38             btn.Content = "Don't do that!"; 
39             btn.IsEnabled = false; 
40         } 
41     }
42 
43 参考二：

<UserControl x:Class="Sample.dragrect"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

    Width="780" Height="400">

    <StackPanel Background="Green" 

                Orientation="Horizontal">

        <Canvas x:Name="LayoutRoot"

                Background="GreenYellow"

                Width="650" Height="400"

                MouseMove="Canvas_MouseMove"

                MouseLeftButtonDown="Canvas_MouseLeftButtonDown" 

                MouseLeftButtonUp="Canvas_MouseLeftButtonUp"/>

        <StackPanel Background="Gold" Margin="10">

            <TextBlock Text="选择颜色："/>

            <Button x:Name="btnRed" 

                    Width="100" Height="50" 

                    FontSize="20" Content="Red" Margin="5" 

                    Click="btnRed_Click"/>

            <Button x:Name="btnBlue" 

                    Width="100" Height="50"

                    FontSize="20" Content="Blue" Margin="5" 

                    Click="btnBlue_Click"/>

            <Button x:Name="btnGreen" 

                    Width="100" Height="50"

                    FontSize="20" Content="Green" Margin="5"

                    Click="btnGreen_Click"/>

            <Button x:Name="btnClear" 

                    Width="100" Height="50"

                    FontSize="20" Content="Clear" Margin="5" 

                    Background="Red"

                    Click="btnClear_Click"/>

        </StackPanel>

    </StackPanel>

</UserControl>

C#代码:

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;

namespace Sample

{

    public partial class dragrect : UserControl

    {

        public dragrect()

        {

            InitializeComponent();

        }

        bool mouseMoveing = false;

        Point mousePoint;

        Color rectColor = Colors.Red;

        private void Canvas_MouseMove(object sender, MouseEventArgs e)

        {

            //如果鼠标没有拖动矩形则返回

            if (!mouseMoveing)

                return;

            //获取鼠标当前坐标

            Point curPos = e.GetPosition(null);

            //取得最小坐标值

            double posX = mousePoint.X;

            double posY = mousePoint.Y;

            //计算矩形的宽和高

            double rectWidth = Math.Abs(curPos.X - mousePoint.X);

            double rectHeight = Math.Abs(curPos.Y - mousePoint.Y);

            //创建一个矩形元素

            Rectangle rect = new Rectangle();

            //声明矩形的宽和高

            rect.Width = rectWidth;

            rect.Height = rectHeight;

            //填充颜色

            rect.Fill = new SolidColorBrush(rectColor);

            //声明矩形在Canvas中创建的位置

            Canvas.SetLeft(rect, posX);

            Canvas.SetTop(rect, posY);

            //添加矩形到Canvas中

            LayoutRoot.Children.Add(rect);

        }

        private void Canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)

        {

            //获取当前的鼠标位置

            mousePoint = e.GetPosition(null);

            //开始创建矩形

            mouseMoveing = true;

        }

        private void Canvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)

        {

            //矩形创建完成

            mouseMoveing = false;

        }

        private void btnRed_Click(object sender, RoutedEventArgs e)

        {

            //声明矩形颜色为Red

            rectColor = Colors.Red;

        }

        private void btnBlue_Click(object sender, RoutedEventArgs e)

        {

            //声明矩形颜色为Blue

            rectColor = Colors.Blue;

        }

        private void btnGreen_Click(object sender, RoutedEventArgs e)

        {

            //声明矩形颜色为Green

            rectColor = Colors.Green;

        }

        private void btnClear_Click(object sender, RoutedEventArgs e)

        {

            //清除所有Canvas内的矩形元素

            LayoutRoot.Children.Clear();

        }

    }

}

参考三：

Code below can add item that contain a button and a textbox which are lay in a grid to combobox.

ComboBoxItem item = new ComboBoxItem();
            Grid grid = new Grid();
            grid.ColumnDefinitions.Insert(0, new ColumnDefinition() { Width = new GridLength(50) });
            grid.ColumnDefinitions.Insert(1, new ColumnDefinition() { Width = new GridLength(100) });

            Button MyButton = new Button();
            MyButton.SetValue(Grid.ColumnProperty, 0);
            MyButton.DataContext = "11";
            MyButton.Click+=new RoutedEventHandler(MyButton_Click);
            TextBox textbox = new TextBox();
            textbox.Name = "text";
            textbox.SetValue(Grid.ColumnProperty, 1);

            grid.Children.Add(MyButton);
            grid.Children.Add(textbox);

            item.Content = grid;

            Combobox1.Items.Add(item);

 

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