hi,

i'am testing DataTable as Store for GridPanel


I added some code to sample GriPanel->System.Data-->DataTable from
GridPanel-DataSource Update ->SqlDataSource

                        <Buttons>
                            <ext:Button ID="btnSave" runat="server"  Text="Save" Icon="Disk">
                                <Listeners>
                                    <Click Handler="#{GridPanel1}.save();" />
                                </Listeners>
                            </ext:Button>
                            <ext:Button ID="btnDelete" runat="server"  Text="Delete selected records" Icon="Delete">
                                <Listeners>
                                    <Click Handler="#{GridPanel1}.deleteSelected();" />
                                </Listeners>
                            </ext:Button>
                            <ext:Button ID="btnInsert" runat="server"  Text="Insert" Icon="Add">
                                <Listeners>
                                    <Click Handler="#{GridPanel1}.insertRecord(0, {});#{GridPanel1}.getView().focusRow(0);#{GridPanel1}.startEditing(0, 0);" />
                                </Listeners>
                            </ext:Button>
                            <ext:Button ID="btnRefresh" runat="server"  Text="Refresh" Icon="ArrowRefresh">
                                <Listeners>
                                    <Click Handler="#{GridPanel1}.reload();" />
                                </Listeners>
                            </ext:Button>
                            <ext:Button ID="btnEmulError" runat="server"  Text="Refresh with Emulated error" Icon="Exclamation">
                                <Listeners>
                                    <Click Handler="#{GridPanel1}.reload({params:{EmulateError: 1}});" />
                                </Listeners>
                            </ext:Button>                           
                        </Buttons>
insert and delete buttoms works fine: records are inserted or delete from GridPanel,
but save buttom seems to do nothing : records are not deleted - inserted in the datatable.
what's wrong in my code?
how <Click Handler="#{GridPanel1}.save();" /> is connected with my DataTable? who it works?