朝花夕拾--winphone 第二天
// string mystring = string.Format("Make:{0} Model:{1}","BMW","745li"); Make:BMW Model:745li
//string mystring = string.Format("{0:C}",123.45); $123.45 C 是Currency的首字母, 以货币形式输出 ;
//string mystring = string.Format("{0:N}", 1234567890); 1,234,567,890,00 默认为小数点后两位,以小数点和逗号形式输出 ;
// string mystring = string.Format("{0:D}", 1234567890); 123456789 D是decimal首字母 ,以十进制形式输入;
//string mystring = string.Format("{0:P}", .127); 12.7% P为Percent的首字母,注意127前面的小数点,代表0.127,即输出为12.7%
日期的显示格式:
1. //string myDate = string.Format("{0:D}",System.DateTime.Now); 2012-3-10
//string myDate = string.Format("{0:d}",System.DateTime.Now); 2012年3月10日
//string myDate = string.Format("{0:f}",System.DateTime.Now); 2012年3月10日 16:25(f 固定点输出)
//string myDate = string.Format("{0:g}",System.DateTime.Now); 2012-3-10 16:25(g 常规输出)
//string myDate = string.Format("{0:t}",System.DateTime.Now); 16:25 (t 只输出时间)
myTextBlock.Text = myDate;
2, DateTime myvalue=new DateTime();
// myTextBlock.Text = myvalue.ToString();
// myTextBlock.Text = myvalue.ToShortTimeString();
// myTextBlock.Text = myvalue.AddDays(3).ToShortDateString();
3.用c#代码添加新按钮
Button mynewbutton = new Button();
mynewbutton.Name="button2";
mynewbutton.Content="Click Me";
mynewbutton.Height=100;
mynewbutton .Width=200;
mynewbutton.Margin=new Thickness(100.0,100.0,100.0,100.0);
mynewbutton.HorizontalAlignment=HorizontalAlignment.Stretch;
mynewbutton .VerticalAlignment=VerticalAlignment.Stretch;
ContentGrid.Children.Add(mynewbutton);//需在xaml中<Grid name="ContentPanel">改动为name="ContentGrid"

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