Silverlight TextBox只能输入金额

概述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;us

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.Text.RegularExpressions;namespace SilverlightApplication24{    public partial class MainPage : UserControl    {        /// <summary>        /// 正金额如:0,0.1,0.12,111,111.1,111.12        /// </summary>        private string pattern = "^(0|[1-9][0-9]*)(.[0-9]{1,2})?$";        public MainPage()        {            InitializeComponent();            TestTextBox.LostFocus += new RoutedEventHandler(TestTextBox_LostFocus);        }        /// <summary>        /// 当TextBox失去焦点时触发        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        voID TestTextBox_LostFocus(object sender,RoutedEventArgs e)        {            Match m = Regex.Match(TestTextBox.Text,pattern);            if (!m.Success)            {                TestTextBox.Text = string.Empty;                MessageBox.Show("金额输入错误！");            }        }    }}

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