我有一个弹出窗口,它有一个标签面板,下面的“保存”按钮。其中一个选项卡包含GridPanel和“添加新行”按钮。最初,Gridpanel没有行。当GridPanel的高度达到某些像素值时,如何显示垂直滚动条,或某些像素值。排行的行? 代码如下所示:

<ext:Window ID="Window1" runat="server" Height="600px" Width="400px" Title="Popup Window">
        <Items>
            <ext:TabPanel ID="tabMain" runat="server" Width="400px" Height="300px">
                <Items>
                    <ext:Panel ID="pnlItem" runat="server" Title="Item">
                        <Items>
                            <ext:Container runat="server">
                                <Content>
                                    <div>
                                        ...
                                        ...
                                    </div>
                                </Content>
                            </ext:Container>
                        </Items>
                    </ext:Panel>
                    <ext:Panel ID="pnlQuantities" runat="server" Title="Quantities">
                        <Items>
                            <ext:Container runat="server">
                                <Content>
                                    <div>
                                        Grid Below:
                                    </div>
                                    <div>
                                        <ext:GridPanel ID="gridQuantities" runat="server" Width="400px" Height="200px" Header="false">
                                            <Store>
                                            ..........
                                            ..........
                                            </Store>
                                        </ext:GridPanel>
                                        <ext:Button ID="btnAddRow" runat="server" Text="Add New Row" Icon="Add">
                                            <Listeners>
                                                <Click Fn="addNewRow" />
                                            </Listeners>
                                        </ext:Button>
                                    </div>
                                </Content>
                            </ext:Container>
                        </Items>
                    </ext:Panel>
                </Items>
            </ext:TabPanel>            
            <ext:Container runat="server">
                <Items>
                    <ext:Button ID="btnSave" runat="server" Text="Save" Icon="Disk"></ext:Button>
                </Items>
            </ext:Container>
        </Items>
    </ext:Window>
.

如何这样做请帮助。

有帮助吗?

解决方案

感谢 lorenz meyer 。我只需要添加 autoScroll:true 到我的gridpanel。此外,我将 maxheight 到200设置,因此在网格达到200px高度时,垂直滚动条出现。

<ext:GridPanel ID="gridQuantities" runat="server" Width="400px" MaxHeight="200" Header="false" AutoScroll="true">
                                            <Store>
                                            ..........
                                            ..........
                                            </Store>
                                        </ext:GridPanel>
.

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