This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 38%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMF%3C/text%3E%3C/svg%3E)
Hello,
How can I get the focus to move to the text field xy after an event?
How can I achieve that after an event the focus is automatically set on button A or button B?
In case of success, move on or in case of error MessageBox and stay in the text field.
Regards Markus
Hi Markus.
please, use Internet!
In WPF, what are the differences between the x:Name and Name attributes?
Input --- Check IsOK
Set Trigger to "Check IsOK" like this:
<DataTrigger Binding="{Binding CheckIsOk}" Value="True">
Hi Markus,
for each UIElement con can set FocusManager.FocusedElement and Trigger to set focus to next UIElement like this:
<DataTrigger Binding="{Binding ElementName=firstTextBox, Path=Text.Length}" Value="1">
<Setter Property="FocusManager.FocusedElement" Value="{Binding ElementName=secondTextBox}"/>
</DataTrigger>
Hello Peter,
I enter something in the text box. I check that, if the value entered is good, the focus should automatically go to the next text box.
Example .. Text length is less than 20 digits, then a message box should appear.
"Error"
The 1D code is too small
Background.
I use a handheld scanner, which usually has a carriage return line feed. This allows the operator to scan multiple 1D barcodes without setting a key or focusing.
For me the values 3 or 5 are unclear.
How do you mean? If the entered value is 3 go to the next field?
Hi Markus,
values 3 or 5 are the length of inserted text to set focus to next textbox. You can use UpdateSourceTrigger=PropertyChanged and check bound value to set another property for trigger.
ok, but
if I need to validate the scanned code, how would you solve that? Not only length....
input --> validate --> OK -- Set focus to the next textbox
--> Wrong -- Message
I must scan a code like this MAT-LABEL_2014-06-01.pdf
<TextBox Grid.Row="0" Grid.Column="1"
Text="{Binding Path=ScannedMagazin, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
HorizontalAlignment="Left" Height="33" Margin="54,236,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="621" FontSize="20" >
<TextBox.InputBindings>
<KeyBinding Command="{Binding Cmd}" CommandParameter="PressEnterScannedMagazine" Key="Enter" />
</TextBox.InputBindings>
</TextBox>
<DataTrigger Binding="{Binding ElementName=firstTextBox, Path=Text.Length}" Value="1">
<Setter Property="FocusManager.FocusedElement" Value="{Binding ElementName=secondTextBox}"/>
</DataTrigger>
Sorry it is not clear.
firstTextBox is the name of the textbox?
Value="1"
Two possibilities.
If the content of the textbox is good, select the button X.
If the content of the text box is good, select the text box Y. Can you make a whole sample please?
Hi Markus,
I don't know your technology. Which event determines "good" and "bad". Try this example (I cannot post code, only pictures).
Hi Markus,
write the code to check and set property. Check value of property in trigger.
Hi,
what is different between Name and x:Name?
<TextBox Grid.Row="0" Grid.Column="0" x:Name="txtNewOrder"
Text="{Binding Path=NewOrderScan, Mode=TwoWay,
I need like a function for validate, not only the length.
Works with length 6, but I need not the length.
Input --- Check IsOK?, if OK goes to next textbox or set the focus for button XY.