C# 单击“下一步”后wpf向导工具包验证
我正在使用wpf扩展工具包中的向导控件,但现在我面临一个问题。我的看法是:C# 单击“下一步”后wpf向导工具包验证,c#,wpf,mvvm,mvvm-light,wizard,C#,Wpf,Mvvm,Mvvm Light,Wizard,我正在使用wpf扩展工具包中的向导控件,但现在我面临一个问题。我的看法是: <xctk:Wizard Width="300" Height="300" HelpButtonVisibility="Collapsed" FinishButtonVisibility="Visible" Name="wizard" Next="wizard_Next"> <i:Interaction.Triggers> <i:EventTrigger EventName="Nex
<xctk:Wizard Width="300" Height="300" HelpButtonVisibility="Collapsed" FinishButtonVisibility="Visible" Name="wizard" Next="wizard_Next">
<i:Interaction.Triggers>
<i:EventTrigger EventName="Next">
<mvvm:EventToCommand Command="{Binding NextCommand}" PassEventArgsToCommand="True"/>
</i:EventTrigger>
</i:Interaction.Triggers>
<xctk:WizardPage x:Name="Step1Page" PageType="Blank" CanSelectNextPage="{Binding CanGoNext}" FinishButtonVisibility="Collapsed">
<Grid Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TextBlock Grid.Row="0" FontSize="14" Foreground="Red" Text="Log in to Vodafone One Net"/>
<StackPanel Grid.Row="1" Margin="0,15,0,0">
<TextBlock Text="Step 1" FontWeight="SemiBold"/>
<TextBlock Text="Please enter your mobile number"/>
</StackPanel>
<xctk:WatermarkTextBox Grid.Row="2" Name="mobileNumber" PreviewKeyDown="OnPreviewKeyDown" AcceptsReturn="False" AcceptsTab="False" Watermark="Enter mobile number" Text="{Binding MobileNumber}" Margin="0,10,0,0">
<i:Interaction.Triggers>
<i:EventTrigger EventName="TextChanged">
<i:InvokeCommandAction Command="{Binding MobileNumberTextChangedCommand}" CommandParameter="{Binding ElementName=mobileNumber, Path=Text}"/>
</i:EventTrigger>
</i:Interaction.Triggers>
<i:Interaction.Behaviors>
<v:AllowableCharactersTextBoxBehavior RegularExpression="^\d+$" MaxLength="50" />
</i:Interaction.Behaviors>
</xctk:WatermarkTextBox>
</Grid>
</xctk:WizardPage>
用户总是转到步骤2。有人知道我该怎么做吗
谢谢。
关于,找到了解决方案。这太容易了
RelayCommand CanExecute方法实现了我想要的功能。这么容易,这么多时间去那里 你能详细解释一下吗?如果将事件“next”的InteractionTrigger添加到向导中,next按钮是否使用CanExecute?是。定义RelayCommand第二个参数(CanExecute)时,可以使用一个方法来执行所有验证并返回true或false。
public async Task Next(CancelRoutedEventArgs e)
{
var resp = await this._requestService.PostRequestPin(this.MobileNumber);
if (resp.StatusCode == ERROR)
{
e.Cancel = true;
e.Handled = true;
}
}