Hello

 In my webgrid, when i set the Multiple Data Key Fields, can not  cause the updatecell event  to fire

<igtbl:UltraWebGrid ID="UltraWebGrid1" runat="server" Height="200px"
            Width="325px" DataKeyField="CurrencyCode,ChangeDate"
            onupdatecell="UltraWebGrid1_UpdateCell">
            <bands>
                <igtbl:UltraGridBand 
                    DataKeyField="CurrencyCode,ChangeDate" >
                    <Columns>
                        <igtbl:UltraGridColumn AllowUpdate="No" BaseColumnName="CurrencyCode"
                            IsBound="True" >
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn AllowUpdate="No" BaseColumnName="ChangeDate"
                            IsBound="True"  DataType="System.DateTime">
                            <Footer>
                                <RowLayoutColumnInfo OriginX="1" />
                            </Footer>
                            <Header>
                                <RowLayoutColumnInfo OriginX="1" />
                            </Header>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Rate" IsBound="True"
                            DataType="System.Decimal">
                            <Footer>
                                <RowLayoutColumnInfo OriginX="2" />
                            </Footer>
                            <Header>
                                <RowLayoutColumnInfo OriginX="2" />
                            </Header>
                        </igtbl:UltraGridColumn>
                        <igtbl:UltraGridColumn BaseColumnName="Memo" IsBound="True" >
                            <Footer>
                                <RowLayoutColumnInfo OriginX="3" />
                            </Footer>
                            <Header>
                                <RowLayoutColumnInfo OriginX="3" />
                            </Header>
                        </igtbl:UltraGridColumn>
                    </Columns>
                    <addnewrow view="NotSet" visible="NotSet">
                    </addnewrow>
                </igtbl:UltraGridBand>
            </bands>
            <displaylayout allowcolsizingdefault="Free" allowcolumnmovingdefault="OnServer"
                allowdeletedefault="Yes" allowsortingdefault="OnClient"
                allowupdatedefault="Yes" bordercollapsedefault="Separate"
                headerclickactiondefault="SortMulti" name="UltraWebGrid1"
                rowheightdefault="20px" rowselectorsdefault="No"
                selecttyperowdefault="Extended" stationarymargins="Header"
                stationarymarginsoutlookgroupby="True" tablelayout="Fixed" version="4.00"
                viewtype="OutlookGroupBy"  CellClickActionDefault = "Edit" >
                <framestyle backcolor="Window" bordercolor="InactiveCaption"
                    borderstyle="Solid" borderwidth="1px" font-names="Microsoft S***rif"
                    font-size="8.25pt" height="200px" width="325px">
                </framestyle>
                <pager minimumpagesfordisplay="2">
                    <PagerStyle BackColor="LightGray" BorderStyle="Solid" BorderWidth="1px">
                    <borderdetails colorleft="White" colortop="White" widthleft="1px"
                        widthtop="1px" />
                    </PagerStyle>
                </pager>
                <editcellstyledefault borderstyle="None" borderwidth="0px">
                </editcellstyledefault>
                <footerstyledefault backcolor="LightGray" borderstyle="Solid" borderwidth="1px">
                    <borderdetails colorleft="White" colortop="White" widthleft="1px"
                        widthtop="1px" />
                </footerstyledefault>
                <headerstyledefault backcolor="LightGray" borderstyle="Solid"
                    horizontalalign="Left">
                    <borderdetails colorleft="White" colortop="White" widthleft="1px"
                        widthtop="1px" />
                </headerstyledefault>
                <rowstyledefault backcolor="Window" bordercolor="Silver" borderstyle="Solid"
                    borderwidth="1px" font-names="Microsoft S***rif" font-size="8.25pt">
                    <padding left="3px" />
                    <borderdetails colorleft="Window" colortop="Window" />
                </rowstyledefault>
                <groupbyrowstyledefault backcolor="Control" bordercolor="Window">
                </groupbyrowstyledefault>
                <groupbybox>
                    <boxstyle backcolor="ActiveBorder" bordercolor="Window">
                    </boxstyle>
                </groupbybox>
                <addnewbox hidden="False">
                    <boxstyle backcolor="Window" bordercolor="InactiveCaption" borderstyle="Solid"
                        borderwidth="1px">
                        <borderdetails colorleft="White" colortop="White" widthleft="1px"
                            widthtop="1px" />
                    </boxstyle>
                </addnewbox>
                <activationobject bordercolor="" borderwidth="">
                </activationobject>
                <filteroptionsdefault>
                    <filterdropdownstyle backcolor="White" bordercolor="Silver" borderstyle="Solid"
                        borderwidth="1px" customrules="overflow:auto;"
                        font-names="Verdana,Arial,Helvetica,s***rif" font-size="11px" height="300px"
                        width="200px">
                        <padding left="2px" />
                    </filterdropdownstyle>
                    <filterhighlightrowstyle backcolor="#151C55" forecolor="White">
                    </filterhighlightrowstyle>
                    <filteroperanddropdownstyle backcolor="White" bordercolor="Silver"
                        borderstyle="Solid" borderwidth="1px" customrules="overflow:auto;"
                        font-names="Verdana,Arial,Helvetica,s***rif" font-size="11px">
                        <padding left="2px" />
                    </filteroperanddropdownstyle>
                </filteroptionsdefault>
            </displaylayout>
        </igtbl:UltraWebGrid>

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private DataSet _Data;
private SqlCommand SelectCommand1;
private SqlConnection con;
private SqlDataAdapter da;

protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["ExpenseLineConnectionString3"].ConnectionString);
            _Data = new DataSet();
            da = new SqlDataAdapter();
            SelectCommand1 = new SqlCommand();
            this.SelectCommand1.Connection = con;
            this.SelectCommand1.CommandText = "SELECT CurrencyCode,ChangeDate,Rate,Memo FROM TCurrencyRate";
            this.da.SelectCommand = this.SelectCommand1;
            this.da.Fill(this._Data);

            UltraWebGrid1.DataSource = _Data.Tables[0].DefaultView;
            this.UltraWebGrid1.DataBind();
        }
    }
    protected void UltraWebGrid1_UpdateCell(object sender, Infragistics.WebUI.UltraWebGrid.CellEventArgs e)
    {
        string aa = ((object[])e.Cell.Row.DataKey)[0].ToString() + ((object[])e.Cell.Row.DataKey)[1].ToString();

    }