i have wpf app which have a mainwindow.xaml and a pages/page1.xaml .Page display on window using frame .window contain a textbox and when i try to give value to this textbox from page1 on button click then nothing happen in textbox . so what should i do?
i am using that code on button click-
Mainwindow.xaml
<Window x:Class="pp.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:v="clr-namespace:pp.Pages"
Title="MainWindow" MinHeight="350" MinWidth="525"
Background="Transparent">
<Grid>
<TextBox Width="100" Height="40" Name="textbox1"/>
<Frame NavigationUIVisibility="Hidden" Name="Mainframe" Source="pages/page1.xaml" Margin="40"></Frame>
</Grid>
</Window>
Page1.xaml
<Page x:Class="pp.FileView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:v="clr-namespace:pp.Pages"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="300"
Title="FileView">
<Grid >
<Button Width="100" Height="40" Name="Btn" Click="Btn_click"/>
</Grid>
</page>
Page1.xaml.cs
private void Btn_Click(object sender, RoutedEventArgs e)
{
MainWindow mw=new MainWindow();
mw.textbox1.Text="hello";
}