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NestedView RadGrid not showing properly

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Ali Kitabi
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Rank 1
Ali Kitabi asked on 30 Sep 2009, 09:31 PM
Hi all,

I have a nestedview on a rad grid. I am trying to follow the examples provided but I cannot make it work properly. In the onItemCommand event I am binding a formview which is in the nestedview. When I expand the first row, I can see everything properly, however all rows after that show nothing. I have made sure that I am properly binding the formview and that the datasource has valid data.

Please review the code and help.

protected void RadGrid1_NeedDataSource(object source, GridNeedDataSourceEventArgs e)  
        {  
            try 
            {  
                RadGrid1.DataSource = myWorkorderController.getAllWorkorders("Closed");  
            }  
            catch (Exception ex)  
            {  
                throw ex;  
            }  
        }  
 
        protected void RadGrid1_ItemCommand(object source, GridCommandEventArgs e)  
        {  
            if (e.CommandName == RadGrid.ExpandCollapseCommandName)  
            {  
                if (!e.Item.Expanded)  
                {  
                    FormView oFormView = (FormView)RadGrid1.MasterTableView.Items[0].ChildItem.FindControl("FormView1");  
                    ACareFlangeWOHistoryByWOID_inType oWOHistInfo = new ACareFlangeWOHistoryByWOID_inType();  
                    oWOHistInfo.WOID = e.Item.OwnerTableView.Items[e.Item.ItemIndex]["WONUM"].Text;  
                    oFormView.DataSource = myWorkorderController.getAllWorkorderHistory(oWOHistInfo);  
                    oFormView.DataBind();  
                    ((GridDataItem)e.Item).ChildItem.FindControl("NestedViewPanel").Visible =  
                   !e.Item.Expanded;  
                }  
            }  
        }  
 
        protected void RadGrid1_PreRender(object sender, EventArgs e)  
        {  
            if (!Page.IsPostBack)  
            {  
                RadGrid1.MasterTableView.Items[0].Expanded = true;  
                RadGrid1.MasterTableView.Items[0].ChildItem.FindControl("NestedViewPanel").Visible = true;  
            }  
        }  
 
        protected void RadGrid1_ItemCreated(object sender, GridItemEventArgs e)  
        {  
            if (e.Item is GridNestedViewItem)  
            {  
                //e.Item.FindControl("InnerContainer").Visible = ((GridNestedViewItem)e.Item).Parent.Expanded;  
            }  
        } 


<telerik:RadGrid ID="RadGrid1" runat="server" OnNeedDataSource="RadGrid1_NeedDataSource"   
        OnItemCommand="RadGrid1_ItemCommand" AutoGenerateColumns="False" GridLines="None" Skin="Outlook" 
        AlternatingItemStyle-BackColor="#D9E6F2" ShowFooter="True" AllowFilteringByColumn="True" AllowPaging="True"   
        AllowSorting="True" OnPreRender="RadGrid1_PreRender">  
    <HeaderContextMenu EnableTheming="True" Skin="Outlook">  
        <CollapseAnimation Duration="200" Type="OutQuint" /> 
    </HeaderContextMenu> 
    <AlternatingItemStyle BackColor="#D9E6F2" /> 
    <MasterTableView Name="Workorders" PageSize="20" DataKeyNames="WONUM">  
        <RowIndicatorColumn> 
            <HeaderStyle Width="20px" /> 
        </RowIndicatorColumn> 
        <ExpandCollapseColumn> 
            <HeaderStyle Width="20px" /> 
        </ExpandCollapseColumn> 
        <Columns> 
            <telerik:GridBoundColumn DataField="CMWOID" Display="False" HeaderText="CMWOID"   
                UniqueName="CMWOID" ReadOnly="true">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="WONUM" HeaderText="WO #"   
                UniqueName="WONUM">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="EquipID" HeaderText="Equipment ID"   
                UniqueName="EquipID" ReadOnly="true" Display="false">  
            </telerik:GridBoundColumn> 
            <telerik:GridTemplateColumn HeaderText="Equip ID" DataField="EquipID" SortExpression="EquipID">  
                <ItemTemplate> 
                    <asp:Label runat="server" ID="lblEquipID" Text='<% #Eval("EquipID") + "&nbsp;" %>'>  
                    </asp:Label> 
                </ItemTemplate> 
                <EditItemTemplate> 
                    <telerik:RadComboBox ID="ddlEquipID" runat="server" DataTextField="equipids" 
                        DataValueField="equipids" Skin="Outlook">  
                    </telerik:RadComboBox> 
                </EditItemTemplate> 
            </telerik:GridTemplateColumn> 
            <telerik:GridBoundColumn DataField="EquipGroup"   
                HeaderText="Equip Group" UniqueName="EquipGroup">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="ProdUnit" HeaderText="Prod Unit"   
                UniqueName="ProdUnit">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="ProcessUnit" HeaderText="Process Unit"   
                UniqueName="ProcessUnit">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="EquipLocID" HeaderText="EquipLocID"   
                UniqueName="EquipLocID" ReadOnly="true" Display="false">  
            </telerik:GridBoundColumn> 
            <telerik:GridTemplateColumn HeaderText="Location" DataField="EquipLocID" SortExpression="EquipLocID">  
                <ItemTemplate> 
                    <asp:Label runat="server" ID="lblEquipLocID" Text='<% #Eval("EquipLocID") + "&nbsp;" %>'>  
                    </asp:Label> 
                </ItemTemplate> 
                <EditItemTemplate> 
                    <telerik:RadComboBox ID="ddlEquipLocID" runat="server" DataTextField="Description" 
                        DataValueField="LocationID" Skin="Outlook">  
                    </telerik:RadComboBox> 
                </EditItemTemplate> 
            </telerik:GridTemplateColumn> 
            <telerik:GridBoundColumn DataField="JobType" HeaderText="Job Type"   
                UniqueName="JobType" ReadOnly="true" Display="false">  
            </telerik:GridBoundColumn> 
            <telerik:GridTemplateColumn HeaderText="Job Type" DataField="JobType" SortExpression="JobType">  
                <ItemTemplate> 
                    <asp:Label runat="server" ID="lblJobTypeID" Text='<% #Eval("JobType") + "&nbsp;" %>'>  
                    </asp:Label> 
                </ItemTemplate> 
                <EditItemTemplate> 
                    <telerik:RadComboBox ID="ddlJobType" runat="server" DataTextField="Type" 
                        DataValueField="Type" Skin="Outlook">  
                    </telerik:RadComboBox> 
                </EditItemTemplate> 
            </telerik:GridTemplateColumn> 
            <telerik:GridBoundColumn DataField="Plant" HeaderText="Plant"   
                UniqueName="Plant">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="Priority" HeaderText="Priority"   
                UniqueName="Priority">  
            </telerik:GridBoundColumn> 
            <telerik:GridDateTimeColumn DataField="RequestDate" HeaderText="Request Date"   
                UniqueName="RequestDate">  
            </telerik:GridDateTimeColumn> 
            <telerik:GridBoundColumn DataField="AssignedTo" HeaderText="Assigned To"   
                UniqueName="AssignedTo" ReadOnly="true" Display="false">  
            </telerik:GridBoundColumn> 
            <telerik:GridTemplateColumn HeaderText="Assigned To" DataField="AssignedTo" SortExpression="AssignedTo">  
                <ItemTemplate> 
                    <asp:Label runat="server" ID="lblAssignedToID" Text='<% #Eval("AssignedTo") + "&nbsp;" %>'>  
                    </asp:Label> 
                </ItemTemplate> 
                <EditItemTemplate> 
                    <telerik:RadComboBox ID="ddlAssignedTo" runat="server" DataTextField="UserName" 
                        DataValueField="UserID" Skin="Outlook">  
                    </telerik:RadComboBox> 
                </EditItemTemplate> 
            </telerik:GridTemplateColumn> 
            <telerik:GridBoundColumn DataField="ProbDescription" HeaderText="Prob Desc"   
                UniqueName="ProbDescription">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="Service" HeaderText="Service"   
                UniqueName="Service">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="Reason" HeaderText="Reason"   
                UniqueName="Reason">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="SVCCode" HeaderText="SVCCode"   
                UniqueName="SVCCode">  
            </telerik:GridBoundColumn> 
            <telerik:GridBoundColumn DataField="ReasonCode" HeaderText="ReasonCode"   
                UniqueName="ReasonCode">  
            </telerik:GridBoundColumn> 
        </Columns> 
        <NestedViewTemplate> 
            <asp:Panel ID="NestedViewPanel" runat="server" CssClass="viewWrap" Visible="false">  
            <asp:FormView ID="FormView1" runat="server">  
                <ItemTemplate> 
                <div class="contactWrap">  
                    <fieldset style="padding: 10px;">  
                        <legend style="padding: 5px;"><b>Execution Date:&nbsp; &nbsp;<%#Eval("ExecDate") %></b>  
                        </legend> 
                        <table> 
                            <tbody> 
                                <tr> 
                                    <td> 
                                        <fieldset style="padding: 10px;">  
                                        <legend style="padding: 5px;"><b>Repair Maintenance</b> 
                                        </legend> 
                                        <table> 
                                            <tbody> 
                                                <tr> 
                                                    <td> Cause Description: </td> 
                                                    <td> 
                                                        <asp:Label ID="cityLabel" Text='<%#Bind("CauseDesc") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> Failure Reason: </td> 
                                                    <td> 
                                                        <asp:Label ID="Label2" Text='<%#Bind("FailReason") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Order Problem:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label3" Text='<%#Bind("OrderProblem") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Parts Replaced:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label4" Text='<%#Bind("PartsReplaced") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Replace Reason:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label5" Text='<%#Bind("ReplaceReason") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Recommendation:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label6" Text='<%#Bind("Recommendation") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Task Sequence:</td> 
                                                    <td style="width:230px">  
                                                        <asp:Label ID="Label7" Text='<%#Bind("TaskSeq") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Sec 2 Date:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label8" Text='<%#Bind("Sec2Date") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td>Sec 2 Name:</td> 
                                                    <td> 
                                                        <asp:Label ID="Label9" Text='<%#Bind("Sec2Name") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                            </tbody> 
                                        </table> 
                                    </td> 
                                    <td> 
                                        <fieldset style="padding: 10px;">  
                                        <legend style="padding: 5px;"><b>Preventive Maintenance</b> 
                                        </legend> 
                                        <table> 
                                            <tbody> 
                                                <tr> 
                                                    <td> Last Calibiration: </td> 
                                                    <td> 
                                                        <asp:Label ID="Label10" Text='<%#Bind("LastCalib") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> Torque Value Used: </td> 
                                                    <td> 
                                                        <asp:Label ID="Label11" Text='<%#Bind("TorquevalUsed") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label30" runat="server" Text='<% #Bind("Chk1Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label12" Text='<%#Bind("Chk1") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label13" runat="server" Text='<% #Bind("Chk2Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label19" Text='<%#Bind("Chk2") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label14" runat="server" Text='<% #Bind("Chk3Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label20" Text='<%#Bind("Chk3") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label15" runat="server" Text='<% #Bind("Chk4Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label21" Text='<%#Bind("Chk4") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label16" runat="server" Text='<% #Bind("Chk5Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label22" Text='<%#Bind("Chk5") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label17" runat="server" Text='<% #Bind("Chk6Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label23" Text='<%#Bind("Chk6") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label18" runat="server" Text='<% #Bind("Chk7Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label24" Text='<%#Bind("Chk7") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label25" runat="server" Text='<% #Bind("Chk8Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label26" Text='<%#Bind("Chk8") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label27" runat="server" Text='<% #Bind("OPT1Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label28" Text='<%#Bind("OPT1") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                                <tr> 
                                                    <td> 
                                                        <asp:Label ID="Label29" runat="server" Text='<% #Bind("OPT2Name")%>'></asp:Label> 
                                                    </td> 
                                                    <td> 
                                                        <asp:Label ID="Label31" Text='<%#Bind("OPT2") %>' runat="server"></asp:Label> 
                                                    </td> 
                                                </tr> 
                                            </tbody> 
                                        </table> 
                                    </td> 
                                </tr> 
                            </tbody> 
                        </table> 
                    </fieldset> 
                </div> 
                </ItemTemplate> 
            </asp:FormView> 
            </asp:Panel> 
        </NestedViewTemplate> 
    </MasterTableView> 
    <FilterMenu EnableTheming="True" Skin="Outlook">  
        <CollapseAnimation Duration="200" Type="OutQuint" /> 
    </FilterMenu> 
</telerik:RadGrid> 

Please help.

2 Answers, 1 is accepted

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Princy
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Rank 2
answered on 01 Oct 2009, 06:44 AM
Hello Ali Kitabi,

The reason for this is that in your code you are accessing only the first rows Nested formview. You can rewrite your code as shown below and check if it helps:
c#:
protected void RadGrid1_ItemCommand(object source, GridCommandEventArgs e)   
   {   
     if(e.CommandName == RadGrid.ExpandCollapseCommandName)     
        {     
          if(!e.Item.Expanded)     
             {     
               FormView oFormView = (FormView)(e.Item as GridDataItem).ChildItem.FindControl("FormView1"); // Replace   
               ACareFlangeWOHistoryByWOID_inType oWOHistInfo = new ACareFlangeWOHistoryByWOID_inType();     
               oWOHistInfo.WOID = e.Item.OwnerTableView.Items[e.Item.ItemIndex]["WONUM"].Text;     
               oFormView.DataSourceID = myWorkorderController.getAllWorkorderHistory(oWOHistInfo);     
               oFormView.DataBind();     
               ((GridDataItem)e.Item).ChildItem.FindControl("NestedViewPanel").Visible =  !e.Item.Expanded;     
                }     
            }    
     }  

Thanks
Princy.
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Ali Kitabi
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Rank 1
answered on 01 Oct 2009, 03:40 PM
Hats off. Too good.
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Ali Kitabi
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Princy
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Ali Kitabi
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