I worked in radgrid itemdatabound for hiding cells, but how can i do it in radgridprerender event?

Hi Team,

Drag and Drop control is not working it is throwing error message because of e.DestDataItem is null in the RowDrop event. The radgrid is inside the user control and the user control is added dynamically to the page.

 Please provide the possible solution.

Thank You

Main Page :

-----------------

<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" BackColor="white" CssClass="radLoadingPanel" Transparency="25">
<h1>Proof Generation in Process...</h1>
</telerik:RadAjaxLoadingPanel>
<telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="RadAjaxLoadingPanel1">
<asp:Panel ID="pnlVariables" runat="server">
</asp:Panel>
<div class="clear">
</div>
<div class="clear">
<asp:Label ID="lblNoOptions" runat="server" CssClass="errorMessage" Visible="False"></asp:Label><br />
<asp:Label ID="lblErrorMessage" runat="server" CssClass="errorMessage" Visible="False"></asp:Label>
</div>
<asp:Panel ID="pnlButton" runat="server">
<label id="lblProcessTimeWarning" runat="server" style="display: block; margin-bottom: 10px;" visible="false">
</label>
<asp:Button ID="btnCreateProofs" runat="server" Text="Save" />
</asp:Panel>
</telerik:RadAjaxPanel>

Main Page code Behind

-------------------------------

  Dim tuc As Modules_Controls_BookBuilderControl = CType(LoadControl("~/Modules/Controls/BookBuilderControl.ascx"), Modules_Controls_BookBuilderControl)
tuc.ID = oRow("FriendlyName").ToString()
tuc.CartID = CType(oRow("CartID"), Long)
pnlVariables.Controls.Add(tuc)

Usercontrol.ascx

----------------------

<telerik:RadGrid ID="Parts" runat="server" ClientIDMode="AutoID" AllowPaging="True" AllowSorting="True" ClientSettings-AllowAutoScrollOnDragDrop="true"
AutoGenerateColumns="False" GridLines="None" ShowStatusBar="True" CssClass="Parts" ClientSettings-AllowDragToGroup="true" ClientSettings-AllowRowsDragDrop="true">
<ClientSettings AllowRowsDragDrop="True" AllowColumnsReorder="true" ReorderColumnsOnClient="true">
<Selecting AllowRowSelect="True" EnableDragToSelectRows="false"></Selecting>
<ClientEvents OnBatchEditOpening="batchEditOpening"></ClientEvents>
<Scrolling AllowScroll="true" UseStaticHeaders="true"></Scrolling>
</ClientSettings>
<MasterTableView Name="PartsTableView" ClientIDMode="AutoID" DataKeyNames="InventoryID" AllowSorting="True" NoDetailRecordsText="No Items" HierarchyLoadMode="ServerBind"
NoMasterRecordsText="No Items Added" CommandItemDisplay="Bottom" EditMode="Batch">
<CommandItemSettings ShowAddNewRecordButton="false" ShowCancelChangesButton="false" ShowRefreshButton="false"/>
<BatchEditingSettings EditType="Cell" />
<DetailTables>
<telerik:GridTableView Name="ComponentDetails" Caption="Component Details" DataKeyNames="InventoryID"
runat="server">
<ParentTableRelation>
<telerik:GridRelationFields DetailKeyField="ParentID" MasterKeyField="InventoryID" />
</ParentTableRelation>
<Columns>
<telerik:GridTemplateColumn UniqueName="ThumbNail">
<ItemTemplate>
<asp:Image ID="imgThumbNail" runat="server" ImageUrl='<%#Eval("Thumbnail")%>' />
</ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridBoundColumn DataField="ParentID" Display="false" UniqueName="ParentID" />
<telerik:GridBoundColumn DataField="InventoryID" Display="false" UniqueName="InventoryID" />
<telerik:GridBoundColumn DataField="FormNumber" HeaderText="Product Code" UniqueName="FormNumber" />
<telerik:GridBoundColumn DataField="Description" HeaderText="Title" ReadOnly="true"
UniqueName="Description" Display="True" />
</Columns>
</telerik:GridTableView>
</DetailTables>
<Columns>
<telerik:GridTemplateColumn UniqueName="ThumbNail">
<ItemTemplate>
<asp:Image ID="imgThumbNail" runat="server" ImageUrl='<%#Eval("ImageUrl")%>' />
</ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridBoundColumn DataField="InventoryID" UniqueName="FormNumber" Display="false" />
<telerik:GridBoundColumn DataField="Text" ItemStyle-Width="150px" HeaderText="Product Code" />
<telerik:GridBoundColumn DataField="Description" HeaderText="Title" Display="true" />
<telerik:GridBoundColumn DataField="Type" Display="false" />
<telerik:GridButtonColumn ButtonType="LinkButton"
CommandName="DeleteInventory" Text="Remove" UniqueName="Delete">
<ItemStyle HorizontalAlign="Center" CssClass="buttonContainer"></ItemStyle>
<HeaderStyle ></HeaderStyle>
</telerik:GridButtonColumn>
</Columns>
</MasterTableView>
</telerik:RadGrid>
<asp:XmlDataSource ID="XMLBookBuilderSource" runat="server" EnableCaching="false">
</asp:XmlDataSource>

 UserControl Code Behind

--------------------------------------

Protected Sub Parts_RowDrop(sender As Object, e As GridDragDropEventArgs) Handles Parts.RowDrop
Try
Dim element As XElement
Dim root As New XElement("BookBuilder")
element = XMLDoc.Root.Elements("Node")(e.DraggedItems(0).ItemIndex)
XMLDoc.Root.Elements("Node")(e.DraggedItems(0).ItemIndex).Remove()
If (XMLDoc.Root.Elements("Node").Count = e.DestDataItem.ItemIndex) Then
XMLDoc.Root.Elements("Node")(e.DestDataItem.ItemIndex - 1).AddBeforeSelf(element)
Else
XMLDoc.Root.Elements("Node")(e.DestDataItem.ItemIndex).AddBeforeSelf(element)
End If
Session("XMLDoc") = XMLDoc
Parts.Rebind()
Catch ex As Exception
WriteLog4Net("Unable to Drag and Drop:: ", ex)
End Try
End Sub

Hello, 

I i have a Rad​ListBox with checkboxes named "myCkList".
Im my case, i check some boxes and i observe CheckedItems in server side after clicking button. I'm suprised because myCkList.CheckedItems.Count = 0 ...

 In fact, it's because i added property Enabled=false to myCkList in ​aspx page (of course i enable it client side before clicking checkboxes) !

Is it a normal behavior in asp.net ?

I can work with Enabled=true and set_enabled(false) from pageLoad..., no problem.

I am trying to use rad menu for the top navigation in sharepoint custom master page. I noticed that it shows the home tab and every thing under that as a dropdown (2nd level) menu. Is there a way to display it from the second level, so that i see the second levels as the top level.

 Is there is a solution for this issue through Telerik Controls or not ?

How could i get the search context menu to render on the right hand side of the search box, verses the left side as it does by default.?

 Thanks

This component shows a lot of potential use for our company. Before I would begin any planning, it would be helpful to understand what is already on your docket for development. Are any or these items planned?

- Validation of fields, even very basic such as text only or numeric only?

- Cell data binding to provide lookup fields for specific cells?

- Cell tooltips?

- Splitter functionality?

- Scripting functionality where code could respond to values input in cells?

Any insight would be appreciated.

Hello Telerik Team,

          I have one big problem not display GridTemplateColumn Item Template Item If No Record found in detail table view.

I take Checkbox in GridTemplateColumn ItemTemplate at Detailtableview. See the below code.

   <DetailTables>​

          <telerik:GridTableView runat="server" cssClass="​class1" DataKeyNames="​test" Name="​testchild" ShowFooter="true" AllowSorting="true"             EnableLinqExpressions="false" AllowCustomPaging="false" AllowFilteringByColumn="False" AllowMultiRowSelection="false" AutoGenerateColumns="false" >
                                <NoRecordsTemplate>
                                      <div> no child record display</div>
                                    </NoRecordsTemplate>
                                <ParentTableRelation>
                                    <telerik:GridRelationFields DetailKeyField="​test" MasterKeyField="​test" />
                                </ParentTableRelation>
                                <Columns>​

                          <telerik:GridTemplateColumn UniqueName="Checkout" Visible="true" HeaderStyle-Width="25px">
                                        <HeaderTemplate>
                                            Checkout<br />
                                            <asp:CheckBox ID="chkCheckOutAll" runat="server" AutoPostBack="false" />
                                        </HeaderTemplate>
                                        <ItemTemplate>
                                            <asp:CheckBox ID="chkCheckOut" runat="server" TypeId="1" AutoPostBack="false" />
                                        </ItemTemplate>
                                        <FooterTemplate>
                                            Count: <asp:Label runat="server" ID="lblcount"></asp:Label>
                                        </FooterTemplate>
                                    </telerik:GridTemplateColumn>

                     </telerik:GridTableView>
            </DetailTables>

In the above code If No record found  at detailtableview then checkbox in Item Template GridTemplateColumn not display it. see the attached screenshot of childList.png. I do too much RND related to NoRecordTemplate display Item values. But I dont get any proper solution related to template column.

So I request to can you tell me the such type above possibility are available in telerik radgrid control ?. If yes then please give me proper solution about that because its urgent for me to do like that.

 Hope I get my solution from your Team,

Thanks & Regards

 Kishan Prajapati

I have a radmenu that that runs horizontally at the top of a web page with a handful of menu items. The default behavior is that the radmenu spans 100% of the page and the menu items appear to render very nicely (as expected). 

When i add a default radgrid to the page everything continues to look fine.

When i add either of the following 2 properties to the RadGrid (see below) the radmenu now becomes really small. The menu no longer spans 100% of the pages and when expanded the menu items all render very small for some reason.

AllowFilteringByColumn="true"

EnableHeaderContextMenu="true"

I'm using the glow skin for the radmenu, but i have tried several skins and they all act the same.