problem with expander's header value

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Hi,I have a wpf application and inside that i have expander,in xaml part i'm binding the value for header to database as shown like this:

<Expander Name="_expander" Header="{Binding positionlevel}" >

but my problem is in code behind when i want to get the value of header it doesnt give me the value and the expander.hasheader is false,I have to mention that in run time i can see the value of header but when i want to get the value in code behind it gives nothing, i've already found out that the problem is with binding because for example when i change the header into : Header = "Hello",I can get the value but with binding I cannot,could anyone guide me please with this problem?thanks so much

Posted 26-Sep-10 16:41pm

BaharDev

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PumbaPumba · Accepted Answer · 2010-09-27T06:24:00

Solution 1

Hi BaharDev,

You could use Dispatcher thread to get the header of the expander you are looking for. Like,

this.Loaded += (s, ee) =>
    {
        this.Dispatcher.BeginInvoke((Action)(() =>
            {
                MessageBox.Show(this._expander.Header.ToString());
            }));
    };

Posted 27-Sep-10 6:24am

PumbaPumba

v2

Comments

BaharDev 27-Sep-10 23:55pm

Thank you so much for your answer it works:)

PumbaPumba 28-Sep-10 7:40am

You are most welcome :)