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EditItemTemplate and Delete problem!

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This is a migrated thread and some comments may be shown as answers.

ali asked on 16 Feb 2009, 11:19 AM

Hi

When I click to Delete button, open delete confirm window and I click to OK button after return Object reference not set... message to me. I remove

<telerik:GridTemplateColumn HeaderText="Additional Charges" DataField="FeesAdditionalID" Display="false" UniqueName="FeesAdditionalID" >

this column it s now OK. How can I fix it?

    
             <telerik:RadGrid ID="RadGrid1" Skin="Web20"  GridLines="None" runat="server" 
        
                            AllowAutomaticDeletes="True" AllowAutomaticInserts="True" Width="100%" 
        
                            AllowAutomaticUpdates="True" AllowPaging="True" AutoGenerateColumns="False" DataSourceID="SessionDataSource1" AllowFilteringByColumn="True" AllowSorting="True">  
        
                            <PagerStyle Mode="NextPrevAndNumeric" /> 
        
                            <MasterTableView   Width="100%" CommandItemDisplay="Top" DataKeyNames="ID" 
        
                                DataSourceID="SessionDataSource1" HorizontalAlign="NotSet">  
        
                                <Columns> 
        
             <telerik:GridButtonColumn ButtonType="ImageButton" CommandName="Delete" ConfirmText="Delete this item?"  ConfirmDialogType="RadWindow"  Text="Delete" UniqueName="column1">  
        
                                        </telerik:GridButtonColumn> 
        
                                        <telerik:GridEditCommandColumn ButtonType="ImageButton">  
        
                                        </telerik:GridEditCommandColumn> 
        
             <telerik:GridBoundColumn DataField="ID" DataType="System.Int32" EmptyDataText="&amp;nbsp;" HeaderText="ID" ReadOnly="True" SortExpression="ID" UniqueName="ID">  
        
                                        </telerik:GridBoundColumn> 
        
              <telerik:GridTemplateColumn HeaderText="Additional Charges" DataField="FeesAdditionalID" Display="false" UniqueName="FeesAdditionalID" > 
        
                                            <EditItemTemplate> 
        
                                                 <asp:DropDownList ID="ddlTOC" runat="server" SelectedValue='<%# Bind("FeesAdditionalID") %>' DataTextField="ChargeName" DataValueField="FeesAdditionalID" DataSourceID="sqlFeesAdditional" AppendDataBoundItems="True">  
        
                                                    <asp:ListItem Selected="True" Text="Select" Value=""></asp:ListItem> 
        
                                                </asp:DropDownList> 
        
                                            </EditItemTemplate> 
        
                                        </telerik:GridTemplateColumn> ....  
        
             <asp:SqlDataSource ID="SessionDataSource1"....<DeleteParameters> 
        
                                <asp:Parameter Name="ID" Type="Int32" /> 
        
                            </DeleteParameters>...

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