How to set cursor focus on wpf usercontrol's textbox.

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Hi,
I am very desperately needed solution to below problem.If you know please let me know.

I have WPF web browser project.On Page1.xaml I have wpf usercontrol usrcntl1. This usrcntl1 is having three textboxes txtBox1,txtBox2,txtBox3.

As per business logic once user entered values in user control's textboxes (on Page1.xaml), i will validate txtBox1,txtBox2,txtBox3 values. if any wrong value entered i will want to set focus on txtBox1.

I am not able to set the focus on usercontrol's textbox. if you have any solution please let me know.
update patquotdet set qdindtslno=1 where qdpnarefno='800016692'
and qdpnaslno=3
thanks
Bkhan.

Posted 31-Dec-11 7:21am

K Barakathulla Khan

Updated 13-Jan-14 8:05am

v2

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-12-31T11:30:00

There is no such thing as "cursor focus". All focus activity is about the keyboard focus, nothing else.

WPF has a dedicated system pertaining to focus you should learn: http://msdn.microsoft.com/en-us/library/aa969768.aspx[^].

Nevertheless, in many case, the simplest thing works: call Control.Focus, in particular, TextBox.Focus. See:
http://msdn.microsoft.com/en-us/library/system.windows.controls.control.aspx[^],
http://msdn.microsoft.com/en-us/library/system.windows.uielement.focus.aspx[^].

—SA