SilverLight.3-Validation:一、银光验证。ValidatesOnExpression和NotifyOnValidationError-白红宇

ylbtech-SilverLight-DataBindings_BindingADataObjects_Validation:一、银光验证。ValidatesOnExpression和NotifyOnValidationError

1.B, ValidatesOnExpression

1.C, NotifyOnValidationError

1.A,数据源

View Code

1.B, ValidatesOnExpression

2.1/3,[无]

2.2/3,

2.3/3,

View Code

2B, Person.cs

int _age;   //范围/// /// 年龄/// 
public int Age{    get { return _age; }    set    {        if (value < 0) throw new ArgumentException("不能小于0");        _age = value;    }}

1.C, NotifyOnValidationError

2.1/3,[无]

2.2/3,

2.3/3,

using System.Windows.Controls;using SL3ValidationYlbtechApp.Access;namespace SL3ValidationYlbtechApp.DataBinding.BindingADataObjects.Validation{    public partial class NotifyOnValidationError : UserControl    {        public NotifyOnValidationError()        {            InitializeComponent();            gridDetailPerson.DataContext = Person.GetModel();        }        private void gridDetailPerson_BindingValidationError(object sender, ValidationErrorEventArgs e)        {            //显示错误            txtBlkTip.Text = e.Error.Exception.Message;            txtBlkTip.Text += "\n存储值：" + ((Person)gridDetailPerson.DataContext).Age;            //建议用户再试一次            txtAge.Focus();        }    }}

1.D,

本文转自ylbtech博客园博客，原文链接：http://www.cnblogs.com/ylbtech/p/3441135.html

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