Hello
i can't set the fitlayout ext.net window at the user control.User Control code:
<ext:ColumnLayout ID="ColumnLayout3" runat="server" Split="true" FitHeight="true">
    <Columns>
        <ext:LayoutColumn ColumnWidth="0.25">
            <ext:Panel ID="Panel9" runat="server" Layout="FitLayout">
                <Items>
                    <ext:RowLayout ID="RowLayout2" runat="server" Split="true">
                        <Rows>
                            <ext:LayoutRow RowHeight="0.50">
                                <ext:Panel ID="Panel5" runat="server" Title="Departure Passanger">
                                    <Items>
                                        <ext:GridPanel ID="GridpanelDeparturePassanger" runat="server">
                                            <Store>
                                                <ext:Store ID="StoreDeparturePassanger" runat="server" OnRefreshData="OnRefreshDataDeparturePassange">
                                                    <Reader>
                                                        <ext:JsonReader>
                                                            <Fields>
                                                                <ext:RecordField Name="Passenger_Name" />
                                                                <ext:RecordField Name="Passenger_Surname" />
                                                                <ext:RecordField Name="PNR_Code" />
                                                                <ext:RecordField Name="Flight_Passenger_ID" />
                                                            </Fields>
                                                        </ext:JsonReader>
                                                    </Reader>
                                                </ext:Store>
                                            </Store>
                                            <ColumnModel>
                                                <Columns>
                                                    <ext:Column DataIndex="Passenger_Name" Header="Name" Width="130" MenuDisabled="true" />
                                                    <ext:Column DataIndex="Passenger_Surname" Header="Surname" Width="130" MenuDisabled="true" />
                                                    <ext:Column DataIndex="PNR_Code" Header="PNR Code" Width="170" MenuDisabled="true" />
                                                </Columns>
                                            </ColumnModel>
                                            <SelectionModel>
                                                <ext:CheckboxSelectionModel ID="CheckboxSelectionModel3" runat="server" />
                                            </SelectionModel>
                                        </ext:GridPanel>
                                    </Items>
                                </ext:Panel>
                            </ext:LayoutRow>
                            <ext:LayoutRow RowHeight="0.50">
                                <ext:Panel ID="Panel6" runat="server" Title="Arrival Passanger" Layout="FitLayout">
                                    <Items>
                                        <ext:GridPanel ID="GridpanelArrivalPassanger" runat="server">
                                            <Store>
                                                <ext:Store ID="StoreArrivalPassanger" runat="server" OnRefreshData="OnRefreshDataArrivalPassanger">
                                                    <Reader>
                                                        <ext:JsonReader>
                                                            <Fields>
                                                                <ext:RecordField Name="Passenger_Name" />
                                                                <ext:RecordField Name="Passenger_Surname" />
                                                                <ext:RecordField Name="PNR_Code" />
                                                                <ext:RecordField Name="Flight_Passenger_ID" />
                                                            </Fields>
                                                        </ext:JsonReader>
                                                    </Reader>
                                                </ext:Store>
                                            </Store>
                                            <ColumnModel>
                                                <Columns>
                                                    <ext:Column DataIndex="Passenger_Name" Header="Name" Width="130" MenuDisabled="true" />
                                                    <ext:Column DataIndex="Passenger_Surname" Header="Surname" Width="130" MenuDisabled="true" />
                                                    <ext:Column DataIndex="PNR_Code" Header="PNR Code" Width="170" MenuDisabled="true" />
                                                </Columns>
                                            </ColumnModel>
                                            <SelectionModel>
                                                <ext:CheckboxSelectionModel ID="CheckboxSelectionModel1" runat="server" />
                                            </SelectionModel>
                                        </ext:GridPanel>
                                    </Items>
                                </ext:Panel>
                            </ext:LayoutRow>
                        </Rows>
                    </ext:RowLayout>
                </Items>
            </ext:Panel>
        </ext:LayoutColumn>
        <ext:LayoutColumn ColumnWidth="0.75">
            <ext:Panel ID="Panel10" runat="server">
                <Items>
                    <ext:RowLayout ID="RowLayout3" runat="server" Split="true">
                        <Rows>
                            <ext:LayoutRow>
                                <ext:Panel ID="Panel2" runat="server" Title="Special Request" Layout="FitLayout">
                                    <Items>
                                        <ext:FormPanel ID="FormPanel1" runat="server" MonitorPoll="500" MonitorValid="true"
                                            Padding="5" Height="250" ButtonAlign="Right" Layout="Column">
                                            <Items>
                                                <ext:Panel ID="Panel7" runat="server" Border="false" Header="false" ColumnWidth=".5"
                                                    Layout="Form" LabelAlign="Top">
                                                    <Defaults>
                                                        <ext:Parameter Name="AllowBlank" Value="false" Mode="Raw" />
                                                        <ext:Parameter Name="MsgTarget" Value="side" />
                                                    </Defaults>
                                                    <Items>
                                                        <ext:Hidden ID="HDPassenger_Special_Request_ID" runat="server" />
                                                        <ext:ComboBox ID="CbbSpecialGroup" runat="server" DisplayField="Special_Request_Group_Name"
                                                            ValueField="Special_Request_Group_ID">
                                                            <Store>
                                                                <ext:Store ID="StoreSpecialGroup" runat="server">
                                                                    <Reader>
                                                                        <ext:JsonReader>
                                                                            <Fields>
                                                                                <ext:RecordField Name="Special_Request_Code" />
                                                                                <ext:RecordField Name="Special_Request_Group_Name" />
                                                                                <ext:RecordField Name="Special_Request_Group_ID" />
                                                                            </Fields>
                                                                        </ext:JsonReader>
                                                                    </Reader>
                                                                </ext:Store>
                                                            </Store>
                                                            <Template ID="Template1" runat="server">
                                                                <Html>
                                                                    <tpl for=".">
						                                                <div class="list-item">
							                                                 <h3>{Special_Request_Code}</h3>
							                                                  {Special_Request_Group_Name}
						                                                </div>
					                                                </tpl>
                                                                </Html>
                                                            </Template>
                                                            <DirectEvents>
                                                                <Select OnEvent="CbbSpecialGroup_Select">
                                                                </Select>
                                                            </DirectEvents>
                                                        </ext:ComboBox>
                                                        <ext:ComboBox ID="CbbSpecial" runat="server" DisplayField="Special_Request_Name"
                                                            ValueField="Special_Request_ID">
                                                            <Store>
                                                                <ext:Store ID="StoreSpecial" runat="server">
                                                                    <Reader>
                                                                        <ext:JsonReader>
                                                                            <Fields>
                                                                                <ext:RecordField Name="Special_Request_ID" />
                                                                                <ext:RecordField Name="Special_Request_Name" />
                                                                            </Fields>
                                                                        </ext:JsonReader>
                                                                    </Reader>
                                                                </ext:Store>
                                                            </Store>
                                                        </ext:ComboBox>
                                                    </Items>
                                                </ext:Panel>
                                                <ext:Panel ID="Panel8" runat="server" Border="false" Layout="Form" ColumnWidth=".5"
                                                    LabelAlign="Top">
                                                    <Defaults>
                                                        <ext:Parameter Name="AllowBlank" Value="false" Mode="Raw" />
                                                        <ext:Parameter Name="MsgTarget" Value="side" />
                                                    </Defaults>
                                                    <Items>
                                                        <ext:NumberField ID="txtSpecialRequestUnit" runat="server" FieldLabel="Unit" />
                                                        <ext:ComboBox ID="CbbSpecialRequestUnitType" runat="server" FieldLabel="Unit Type" />
                                                        <ext:TextArea ID="txtSpecialRequestText" runat="server" Height="60" />
                                                    </Items>
                                                </ext:Panel>
                                            </Items>
                                            <Buttons>
                                                <ext:Button ID="ButtonSave" runat="server" Text="Save">
                                                    <DirectEvents>
                                                        <Click OnEvent="ButtonSave_Click">
                                                            <ExtraParams>
                                                                <ext:Parameter Name="Values" Value="Ext.encode(#{GridpanelDeparturePassanger}.getRowsValues({selectedOnly:true}))"
                                                                    Mode="Raw" />
                                                                <ext:Parameter Name="Values2" Value="Ext.encode(#{GridpanelArrivalPassanger}.getRowsValues({selectedOnly:true}))"
                                                                    Mode="Raw" />
                                                            </ExtraParams>
                                                        </Click>
                                                    </DirectEvents>
                                                </ext:Button>
                                                <ext:Button ID="Button2" runat="server" Text="Clear">
                                                    <Listeners>
                                                        <Click Handler="#{FormPanel1}.reset();#{HDPassenger_Special_Request_ID}.setValue('0');" />
                                                    </Listeners>
                                                </ext:Button>
                                            </Buttons>
                                        </ext:FormPanel>
                                    </Items>
                                </ext:Panel>
                            </ext:LayoutRow>
                            <ext:LayoutRow RowHeight="0.75">
                                <ext:Panel ID="Panel4" runat="server" Title="Added Special Request" Layout="FitLayout">
                                    <Items>
                                        <ext:GridPanel ID="GridpanelScepialRequest" runat="server">
                                            <Store>
                                                <ext:Store ID="StoreScepialRequest" runat="server">
                                                    <Reader>
                                                        <ext:JsonReader>
                                                            <Fields>
                                                                <ext:RecordField Name="Passenger_Special_Request_ID" />
                                                                <ext:RecordField Name="Special_Request_ID" />
                                                                <ext:RecordField Name="Special_Request_Group_ID" />
                                                                <ext:RecordField Name="Special_Request_Text" />
                                                                <ext:RecordField Name="Special_Request_Unit" />
                                                                <ext:RecordField Name="Special_Request_Unit_Type" />
                                                                <ext:RecordField Name="Special_Request_Group_Name" />
                                                                <ext:RecordField Name="Special_Request_Name" />
                                                            </Fields>
                                                        </ext:JsonReader>
                                                    </Reader>
                                                </ext:Store>
                                            </Store>
                                            <ColumnModel>
                                                <Columns>
                                                    <ext:Column DataIndex="Special_Request_Group_Name" Header="Special Request Category Name"
                                                        Width="130" MenuDisabled="true" />
                                                    <ext:Column DataIndex="Special_Request_Name" Header="Special Request Name" Width="130"
                                                        MenuDisabled="true" />
                                                    <ext:Column DataIndex="Special_Request_Unit" Header="Unit" Width="60" MenuDisabled="true" />
                                                    <ext:Column DataIndex="Special_Request_Unit_Type" Header="Unit Type" Width="60" MenuDisabled="true" />
                                                </Columns>
                                            </ColumnModel>
                                            <SelectionModel>
                                                <ext:RowSelectionModel ID="CheckboxSelectionModel2" runat="server" SingleSelect="true" />
                                            </SelectionModel>
                                        </ext:GridPanel>
                                    </Items>
                                </ext:Panel>
                            </ext:LayoutRow>
                        </Rows>
                    </ext:RowLayout>
                </Items>
            </ext:Panel>
        </ext:LayoutColumn>
    </Columns>
</ext:ColumnLayout>
window Code:


<ext:Window ID="Window1" runat="server" Maximizable="true" Height="550" Icon="Application"
    Title="Title" Width="650" AutoScroll="true" Modal="true" Layout="FitLayout">
    <Items>
        <ext:Panel ID="Panel4" runat="server" >
            <Content>
                <uc1:ReservationSpecialRequest ID="ReservationSpecialRequest1" runat="server"  />
            </Content>
            <TopBar>
                <ext:Toolbar ID="Toolbar112" runat="server">
                    <Items>
                        <ext:Button ID="ButtonComplate" runat="server" Text="Complate" Icon="Accept">
                            <DirectEvents>
                                <Click OnEvent="ButtonComplate_Click">
                                </Click>
                            </DirectEvents>
                        </ext:Button>
                    </Items>
                </ext:Toolbar>
            </TopBar>
        </ext:Panel>
    </Items>
</ext:Window>
Thanks