Hello,

We have been using borderlayouts to seperate our pages for quite some time, however today we ecountered a resizing issue.

This occurs when a page, on which a borderlayout is used, is resized while it's not the active page.

We use a tabpanel, and each tab contains a borderlayout. In most cases, we only make use of west and center.

For example, on one page we have 4 different tabs. Resizing the page won't matter for the active tab. On all other (previously loaded) tabs, the west panel will have vanished, and only the center panel is visible.

Below is our customer details tab, one of the four tabs on which we encountered this problem.
<ext:FitLayout runat="server">
    <ext:Panel runat="server" Border="false" AutoScroll="true" Header="false">
        <Body>
        
            <ext:BorderLayout runat="server">

                <West Collapsible="false" Split="false">
                    <ext:Panel runat="server" Width="320" Border="false" Cls="content-panel-header" AutoHeight="true">
                        <Body>
                            <ext:Panel ID="PanelPersonal" runat="server" Frame="true" Title="Gegevens contact persoon" Width="310" Height="310">
                                <Body>  
                                    <ext:FitLayout runat="server">
                                        <ext:Panel ID="PersonalPanel" runat="server" Border="false" BodyStyle="padding:5px;">
                                            <Body>
                                                <ext:FitLayout runat="server">
                                                    <ext:FormPanel ID="PersonalFormPanel" Border="false" Url="/UserControl/Offer/SavePersonDetailsToSession/" runat="server" BodyStyle="background: none;">
                                                        <Body>
                                                            <ext:FormLayout ID="PDFormLayout" runat="server" LabelWidth="105">
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldFirstName" runat="server" Width="175" MaxLength="24" ReadOnly="false" AllowBlank="false" MsgTarget="Qtip" DataIndex="FirstName" meta:resourcekey="FirstName" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldLastName" runat="server" Width="175" MaxLength="24" ReadOnly="false" AllowBlank="false" MsgTarget="Qtip" DataIndex="LastName" meta:resourcekey="LastName" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldStreet" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" DataIndex="Street" meta:resourcekey="Street"/>
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldHouseNumber" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" DataIndex="HouseNumber" meta:resourcekey="HouseNumber" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldZipcode" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="24"  DataIndex="Zipcode" meta:resourcekey="Zipcode" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldCity" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" DataIndex="City" meta:resourcekey="City" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:ComboBox ID="PDComboBoxCountry" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" Mode="Default"
                                                                                  DataIndex="CountryId" ReadOnly="true" StoreID="CountryStore" DisplayField="Name" ValueField="Id" meta:resourcekey="Country">
                                                                    </ext:ComboBox>
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldPhoneNumber" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" DataIndex="PhoneNumber" meta:resourcekey="PhoneNumber" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldMobileNumber" runat="server" Width="175" AllowBlank="true" MsgTarget="Qtip" MaxLength="24" DataIndex="MobileNumber" meta:resourcekey="MobileNumber" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="PDTextFieldEmail" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" MaxLength="40" DataIndex="EmailAddress" meta:resourcekey="EmailAddress" />
                                                                </ext:Anchor>
                                                            </ext:FormLayout>
                                                        </Body>
                                                    </ext:FormPanel>
                                                </ext:FitLayout>
                                            </Body>
                                        </ext:Panel>    
                                    </ext:FitLayout>      
                                </Body>
                            </ext:Panel>
                        </Body>
                    </ext:Panel>
                </West>
                
                <Center>
                    <ext:Panel runat="server" Border="false" Cls="content-panel-header" AutoHeight="true">
                        <Body>
                            <ext:Panel ID="PanelCompany" runat="server" Frame="true" Title="Gegevens bedrijf" Width="310" Height="310">
                                <Body>
                                    <ext:FitLayout runat="server">    
                                        <ext:Panel ID="CompanyPanel" runat="server" Border="false" BodyStyle="padding:5px;" Width="365">
                                            <Body>
                                                <ext:FitLayout runat="server">
                                                    <ext:FormPanel ID="CompanyFormPanel" runat="server" Border="false" Url="/UserControl/Offer/SaveCompanyDetailsToSession/">
                                                        <Body>
                                                            <ext:FormLayout ID="CDFormLayout" runat="server" LabelWidth="105">
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldBusinessName" runat="server" AllowBlank="false" MsgTarget="Qtip" Width="175" MaxLength="24" DataIndex="Name" meta:resourcekey="Company" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldStreet" runat="server" AllowBlank="false" MsgTarget="Qtip" Width="175" MaxLength="24" DataIndex="Street" meta:resourcekey="Street" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldHouseNumber" runat="server" AllowBlank="false" MsgTarget="Qtip" Width="175" MaxLength="24" DataIndex="HouseNumber" meta:resourcekey="HouseNumber" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldZipcode" runat="server" AllowBlank="false" MsgTarget="Qtip" Width="175" MaxLength="24" DataIndex="Zipcode" meta:resourcekey="Zipcode" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldCity" runat="server" AllowBlank="false" MsgTarget="Qtip" Width="175" MaxLength="24" DataIndex="City" meta:resourcekey="City" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:ComboBox ID="CDComboBoxCountry" runat="server" Width="175" AllowBlank="false" MsgTarget="Qtip" Mode="Default" 
                                                                                  DataIndex="CountryId" ReadOnly="true" StoreID="CountryStore" DisplayField="Name" ValueField="Id" meta:resourcekey="Country">
                                                                    </ext:ComboBox>
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldPhoneNumber" runat="server" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" Width="175" DataIndex="PhoneNumber" meta:resourcekey="PhoneNumber" />
                                                                </ext:Anchor>
                                                                <ext:Anchor>
                                                                    <ext:TextField ID="CDTextFieldEmail" runat="server" AllowBlank="false" MsgTarget="Qtip" MaxLength="24" Width="175" DataIndex="EmailAddress" meta:resourcekey="EmailAddress" />
                                                                </ext:Anchor>
                                                            </ext:FormLayout>
                                                        </Body>
                                                    </ext:FormPanel>
                                                </ext:FitLayout>
                                            </Body>
                                        </ext:Panel>
                                    </ext:FitLayout> 
                                </Body>                                                            
                            </ext:Panel>
                        </Body>
                    </ext:Panel>
                </Center>    
            </ext:BorderLayout>
        
        </Body>
    </ext:Panel>
</ext:FitLayout>
Thanks in advance for your time,
Riset