Hi I am using a grid with 2 custom column . In one custom column the values are 'S' and 'G' .If i select 'G' the other custom column gets disabled and when i select 'S' the other custom column gets enabled but with respect to row if i have selected 'G' and custom column disables next row when i select as 'S' the custom column gets enabled but when i click on previous column which was disabled gets enabled so please help me for getting the row control of the grid

Code is
eo:CallbackPanel runat="server" ID="CallbackPanel1" Triggers="{ControlID:gvJournaldetails;Parameter:}">
<eo:Grid ID="gvJournaldetails" AllowNewItem="True" FullRowMode="False" Height="255px"
IsCallbackByMe="False" Width="990px" runat="server" ItemHeight="21" ClientSideOnItemCommand="OnItemDelete"
ColumnHeaderAscImage="00050303" ColumnHeaderDescImage="00050304" Font-Bold="False"
Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False"
BorderStyle="None" AllowPaging="True" PageSize="50" Font-Names="Arial" Font-Size="8pt"
ColumnHeaderDividerImage="00050302" GridLineColor="White" GridLines="Both" ScrollBars="Vertical">
<FooterStyle CssText="padding-bottom:4px;padding-left:4px;padding-right:4px;padding-top:4px;" />
<ColumnHeaderStyle CssClass="tdblue " />
<ItemStyles>
<eo:GridItemStyleSet>
<AlternatingItemStyle CssText="background-color: #FFFFFF" />
<ItemStyle CssText="background-color: #E0EEE0" />
<ItemHoverStyle CssText="background-color: #D8E8CE" />
<%-- <EditSelectedStyle CssText="background-color: #C0D9AF" />
<SelectedStyle CssText="background-color: #C0D9AF" />--%>
<CellStyle CssText="padding-top:2px;padding-left:1px;" />
</eo:GridItemStyleSet>
</ItemStyles>
<Columns>
<eo:RowNumberColumn Width="40" HeaderText="No">
</eo:RowNumberColumn>
<eo:CustomColumn HeaderText="GL/SL" DataField="GLSL" Width="100" ClientSideBeginEdit="OnBeginEditJou"
ClientSideEndEdit="OnEndEditJou">
<EditorTemplate>
<select id="ddlGVSL" style="width: 100px">
<%-- <option>--Select--</option>--%>
<option>G</option>
<option>S</option>
</select>
</EditorTemplate>
</eo:CustomColumn>
<eo:CustomColumn HeaderText="GL Code" DataField="GLCode" Width="100" Name="GLCode"
ClientSideBeginEdit="on_begin_edit_Jou" ClientSideEndEdit="on_end_edit_Jou" AllowResize="false">
<EditorTemplate>
<select id="ddlJV" style="width: 100px" onchange="on_GLCode_change()">
<option>-Please Select-</option>
<asp:Repeater runat="server" ID="JV">
<ItemTemplate>
<option value='<%#DataBinder.Eval(Container.DataItem, "GLcode")%>'>
<%#DataBinder.Eval(Container.DataItem, "GLCODE")%></option>
</ItemTemplate>
</asp:Repeater>
</select>
</EditorTemplate>
</eo:CustomColumn>
<eo:CustomColumn HeaderText="Co


Javascript is


function OnBeginEditJou(cell)
{
gv_curItemIndex =cell.getItemIndex();
var v = cell.getValue();

//Set the drop downbox's selectedIndex based on the
//current value
var dropDownBox = document.getElementById("ddlGVSL");
for (var i = 0; i < dropDownBox.options.length; i++)
{
if (dropDownBox.options[i].text == v)
{
dropDownBox.selectedIndex = i;
return;
}
dropDownBox.selectedIndex = 0;
}
}


function OnEndEditJou(cell)
{


var dropDownBox = document.getElementById("ddlGVSL");
var selectedIndex = dropDownBox.selectedIndex;
var index = grid.cell.getItemIndex();

var selectedItem = TRANSACTIONS_MAIN_bodycontent_bodysubcontent_gvJournaldetails.getItem(index);
var ddb = document.getElementById("ddlJV");
if (selectedIndex==0)
{
ddb.disabled = true;
}

else
{
ddb.disabled = false;
}
if (selectedIndex >= 0) return dropDownBox.options[selectedIndex].text;
return null;


}