WPF Project with two pages

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In my WPF applcation,

I have MainWindow.xaml
and 2 pages like LoginPage.xaml and Export.xaml

I called these two pages in mainwindow using below code.

XML

<Frame Source="LoginPage.xaml" NavigationUIVisibility="Hidden" />
<Frame Source="Export.xaml" NavigationUIVisibility="Hidden" Visibility="Hidden" />

in my loginpage we have a login screen, when user hits the login button Export page will open.

I am having a doubt like is this correct way of doing.

Posted 21-Jan-13 0:25am

D-Kishore

Updated 21-Jan-13 1:29am

Kenneth Haugland

v2

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Grasshopper.iics · Answer 1 · 2013-01-21T01:26:00

I am not sure if I have understood your question well, but if you want to navigate between windows will that not be event based? I mean first login should appear. After user fills the credential and click 'Login', authentication method should work. After authentication new form should appear?

If this is your workflow, why not use code instead of xml?

Like from Login buton event handler

C#

if( Authnticate(txtUname.Text,pbPassword.Password)
{
 Window2 objWindow2=new Window2();
objWindow2.Show();
//or objWindow2.ShowDialog();
}

Wpf windows can be opened and closed almost the similar way of windows form.

Grasshopper.iics · Answer 2 · 2013-01-21T16:56:00

In the Main window I used only one frame:

<window x:class="WpfApplication1CP.MainWindow" xmlns:x="#unknown">
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <grid>
        <frame source="LoginPage.xaml" navigationuivisibility="Hidden" />
     
    </grid>
</window>

I added two simple pages: LoginPage.xaml and Export.xaml

Here is Loginpage.xaml

<page x:class="WpfApplication1CP.LoginPage" xmlns:x="#unknown">
      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" 
      mc:Ignorable="d" 
      d:DesignHeight="300" d:DesignWidth="300"
	Title="LoginPage">;

    <grid>
        <label content="Login" horizontalalignment="Left" margin="130,155,0,0" verticalalignment="Top/><br mode=" hold=" />        <Button Content=" button=" HorizontalAlignment=" left=" Margin=" top=" Width=" 75=" Click=" button_click_1="/>
</grid>

Now in the button click event:

C#

private void Button_Click_1(object sender, RoutedEventArgs e)
        {

            var wnd = Window.GetWindow(this);
            Grid g = (Grid)wnd.Content;
            Frame f=(Frame)g.Children[0];

            f.Source = new Uri("Export.xaml", UriKind.RelativeOrAbsolute);
        }

We obtain the parent window of Login page which is MainWindow. We obtain the appropriate child which is the placeholder of the frames ( i.e Frame). Update the Frame source.

Hope this helps.

WPF Project with two pages

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