我正在“ Shiny”中有数据库的应用程序。我从下拉列表中选择名称,然后在数据库中查找该名称,然后抛出与该名称关联的值。
我的数据库称为数据。字符列表称为“位置”。
这就是我所说的发现值的方法:
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="8*" />
<ColumnDefinition Width="1*" />
</Grid.ColumnDefinitions>
<CustomEntry:customEntry x:Name="entEmail" Grid.Row="0" Grid.ColumnSpan="2" Placeholder="Email / Phone number" ReturnType="Next" Style="{StaticResource entFontStyleWhite}" />
<CustomEntry:customEntry x:Name="entPassword" Grid.Row="1" Grid.ColumnSpan="2" Placeholder="Password" IsPassword="True" ReturnType="Done" Style="{StaticResource entFontStyleWhite}" />
<Image x:Name="imgPassword" Source="eye_icon" Grid.Row="1" Grid.Column="1" HeightRequest="20" WidthRequest="20" HorizontalOptions="Start">
<Image.GestureRecognizers>
<TapGestureRecognizer Tapped="PasswordShow_Tapped" />
</Image.GestureRecognizers>
</Image>
</Grid>
private void PasswordShow_Tapped(object sender, EventArgs e)
{
entPassword.IsPassword = !entPassword.IsPassword;
if(entPassword.IsPassword)
{
//visibile eye
imgPassword.Source = "eye_icon";
}
else
{
//invisible eye
imgPassword.Source = "home_eye_inactive_hide.png";
}
}
如果城市是波哥大,这就是我的样子:input$places
我想抛出一个结果向量,但是我不能这样做:
Data$Bogotá