Error occured...
the radgrid1 control only has one of these fields. but, this is a multiple TAB/PAGE system, each page calls the SQL statement with a different where clause but same fields.
Radgrid2 has the same column..... but different search criteria.
the error occurs setting up the Editable field for entering quantity, using the Radgrid1_PreRender event. it seems to me that the FindControl function is not distinguishing the different grids from eachother when looking for the control.
<telerik:RadGrid ID="RadGrid1" runat="server" AllowFilteringByColumn="True" AllowMultiRowSelection="True"
AllowPaging="True" AllowSorting="True" DataSourceID="sqltypeTires" GridLines="Vertical"
ShowFooter="True" ShowStatusBar="True" Skin="Gray" Width="900px" AllowCustomPaging="True" PageSize="20" AllowMultiRowEdit="True" OnPreRender="RadGrid1_PreRender">
<HeaderContextMenu EnableTheming="True" Skin="Grey">
<CollapseAnimation Duration="200" Type="OutQuint" />
</HeaderContextMenu>
<MasterTableView AutoGenerateColumns="False" DataSourceID="sqltypeTires" AllowCustomPaging="False" PageSize="100">
<RowIndicatorColumn>
<HeaderStyle Width="20px" />
</RowIndicatorColumn>
<ExpandCollapseColumn>
<HeaderStyle Width="20px" />
</ExpandCollapseColumn>
<Columns>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Part Number"
FilterControlWidth="40px" HeaderText="Part Number" SortExpression="Part Number"
UniqueName="Part Number" ReadOnly="True">
<HeaderStyle HorizontalAlign="Justify" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Width="80px" Wrap="True" />
<ItemStyle HorizontalAlign="Justify" Width="80px" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Size" FilterControlWidth="40px"
HeaderText="Size" SortExpression="Size" UniqueName="Size" ReadOnly="True">
<ItemStyle HorizontalAlign="Justify" Width="50px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="100px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Description"
FilterControlWidth="60px" HeaderText="Description" SortExpression="Description"
UniqueName="Description" ReadOnly="True">
<ItemStyle HorizontalAlign="Justify" Width="100px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="100px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Manufacturer"
FilterControlWidth="60px" HeaderText="Manufacturer" ReadOnly="True" SortExpression="Manufacturer"
UniqueName="Manufacturer">
<ItemStyle HorizontalAlign="Justify" Width="100px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="100px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Load Index"
FilterControlWidth="20px" HeaderText="LI" ReadOnly="True" SortExpression="Load Index"
UniqueName="Load Index">
<ItemStyle HorizontalAlign="Justify" Width="25px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="50px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn CurrentFilterFunction="StartsWith" DataField="Speed Rating"
FilterControlWidth="20px" HeaderText="SR" SortExpression="Speed Rating" UniqueName="Speed Rating" ReadOnly="True">
<ItemStyle HorizontalAlign="Justify" Width="25px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="50px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn AllowFiltering="False" DataField="Price $" HeaderText="Price $"
SortExpression="Price $" UniqueName="Price $" ReadOnly="True">
<ItemStyle HorizontalAlign="Justify" Width="50px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="50px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn AllowFiltering="False" DataField="FET $" HeaderText="FET $"
ReadOnly="True" Reorderable="False" ShowSortIcon="False" SortExpression="FET $"
UniqueName="FET $">
<ItemStyle HorizontalAlign="Justify" Width="50px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="50px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridBoundColumn AllowFiltering="False" DataField="Available" HeaderText="Available"
SortExpression="Available" UniqueName="Available" ReadOnly="True">
<ItemStyle HorizontalAlign="Justify" Width="50px" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Width="50px" Wrap="True" />
</telerik:GridBoundColumn>
<telerik:GridNumericColumn AllowFiltering="False" AllowSorting="False" DataField="qtyordered"
DataType="System.Int32" HeaderText="Qty Ordered" MaxLength="10" NumericType="Number"
UniqueName="QtyOrdered">
<ItemStyle Width="50px" />
<HeaderStyle Width="80px" />
</telerik:GridNumericColumn>
</Columns>
<PagerStyle Mode="NextPrevAndNumeric" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<GroupHeaderItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False"
Font-Strikeout="False" Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<HeaderStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
<FooterStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Justify" Wrap="True" />
</MasterTableView>
<SelectedItemStyle BackColor="LightGray" />
<ClientSettings AllowKeyboardNavigation="True">
<Selecting AllowRowSelect="True" />
<Scrolling AllowScroll="True" UseStaticHeaders="True" ScrollHeight="400px" />
</ClientSettings>
<FilterMenu EnableTheming="True" Skin="Vista">
<CollapseAnimation Duration="200" Type="OutQuint" />
</FilterMenu>
</telerik:RadGrid>