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RadGrid EnablePostBackOnRowClick only works 1st time inside radajaxmanager

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Grid

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

Expedita asked on 01 Dec 2008, 11:45 PM

Hello, i've been having some problems with a radgrid EnablePostBackOnRowClick event, when this grid is in a web user control.
The reference to radajaxmanager is in the page that contains this webuser control.

It seems that the event only works one time, after the grid is filled, then it makes the ajax call and stops making the row selection.
And if the page changes... well it's does not work either.

Another problem.. but not critical, is that the loading panel is not showing when in an ajax call.

this is an example i've made:

here goes the code:
Main page testform.aspx:

    
            <%@ Page Language="vb" AutoEventWireup="false" codefile="testform.aspx.vb" Inherits="testform" %> 
        
            <%@ Register src="radgrid.ascx" tagname="radgrid" tagprefix="uc1" %> 
        
            <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
        
            <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
        
            <html xmlns="http://www.w3.org/1999/xhtml" > 
        
            <head runat="server"> 
        
                <title>Untitled Page</title> 
        
            </head> 
        
            <body> 
        
                <form id="form1" runat="server"> 
        
                <asp:ScriptManager runat="server" ID="scritpManager"></asp:ScriptManager> 
        
                <telerik:RadAjaxLoadingPanel   ID="LoadingPanel" runat="server" 
        
                        Style="width: 320px; padding-top: 125px;" Height="75px" Width="75px" > 
        
                        <img alt="Loading..." src='<%= RadAjaxLoadingPanel.GetWebResourceUrl(Page, "Telerik.Web.UI.Skins.Default.Ajax.loading7.gif") %>' style="border:0;" /> 
        
                </telerik:RadAjaxLoadingPanel> 
        
               <telerik:RadAjaxManager ID="mainAjaxManager" runat="server"  DefaultLoadingPanelID="LoadingPanel"> 
        
                    <AjaxSettings  > 
        
                        <telerik:AjaxSetting AjaxControlID="btn"> 
        
                            <UpdatedControls> 
        
                                <telerik:AjaxUpdatedControl ControlID="radgrid1"   LoadingPanelID ="LoadingPanel"/> 
        
                            </UpdatedControls> 
        
                        </telerik:AjaxSetting> 
        
                        <telerik:AjaxSetting AjaxControlID="radgrid1"> 
        
                           <UpdatedControls> 
        
                                <telerik:AjaxUpdatedControl ControlID="radgrid1"   LoadingPanelID ="LoadingPanel"/> 
        
                            </UpdatedControls> 
        
                        </telerik:AjaxSetting> 
        
                </AjaxSettings> 
        
            </telerik:RadAjaxManager> 
        
             <asp:button ID="btn" runat="server" Text="clickMe to show/PopulateGrid" value="0" OnClick="doClick"/> 
        
            <br/> 
        
                <uc1:radgrid ID="radgrid1" runat="server" /> 

            </form>

            </body> 
        
            </html>

testform.aspx.vb

    
            Partial Public Class testform 
        
                Inherits System.Web.UI.Page 
        
                Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
        
                End Sub 
        
                Public Sub doCLick(ByVal sender As Object, ByVal e As System.EventArgs) 
        
                    radgrid1.populateGrid("BTN Click") 
        
                End Sub 
        
            End Class

radgrid.ascx

    
            <%@ Control Language="vb" AutoEventWireup="false" codefile="radgrid.ascx.vb" Inherits="radgrid_test" %> 
        
            <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
        
            <script language="javascript" type="text/javascript"> 
        
            function doSomething(){ 
        
                alert("Row_click"); 
        
            } 
        
            </script> 
        
            Grid begins here   
        
            <telerik:RadGrid id="list"    AutoGenerateColumns="False" AllowPaging="True" 
        
                PageSize="12" GridLines="None" Skin="Default"  runat="server" BorderStyle="None" > 
        
            <MasterTableView   PageSize="12" AllowSorting="false"  AllowPaging="true" GridLines="None" DataKeyNames="id"  > 
        
            <PagerStyle  AlwaysVisible="True" Mode="NextPrevAndNumeric" PagerTextFormat="{2} to {3} of {5} records | {4}"></PagerStyle> 
        
                    <AlternatingItemStyle BackColor="LightGray"/> 
        
                           <Columns > 
        
                               <telerik:GridBoundColumn DataField="ref" HeaderText="ref" 
        
                                UniqueName="ref" Visible="true" > 
        
                            </telerik:GridBoundColumn> 
        
                            <telerik:GridBoundColumn DataField="desc" HeaderText="desc" 
        
                                UniqueName="desc" Visible="true"> 
        
                            </telerik:GridBoundColumn> 
        
                            <telerik:GridBoundColumn DataField="id" Visible="true" UniqueName="id" HeaderText="ID"></telerik:GridBoundColumn> 
        
                        </Columns> 
        
                          </MasterTableView> 
        
                          <ClientSettings EnablePostBackOnRowClick="true"  > 
        
                           <Selecting AllowRowSelect="True"  ></Selecting> 
        
                           <ClientEvents OnRowClick="doSomething"/> 
        
                           <ClientEvents/> 
        
                           </ClientSettings>     
        
                </telerik:RadGrid> 
        
            Grid Ends here   
        
            <br /> 
        
            Trace Events: 
        
            <asp:TextBox runat="server" ID="debug" TextMode="MultiLine" Rows="10" Columns="60" EnableViewState="false" ></asp:TextBox>

radgrid.ascx.vb

    
            Imports System.Data 
        
            Partial Public Class radgrid_test 
        
                Inherits System.Web.UI.UserControl 
        
                Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
        
                    If Not Page.IsPostBack And Not Page.IsAsync And Not Page.IsCallback Then 
        
                        debug.Text = "" 
        
                    End If 
        
                End Sub 
        
                Public Sub populateGrid(ByVal lvDebugString As String) 
        
                    debug.Text &= Chr(10) & lvDebugString 
        
                    Dim lvDataView As New DataView() 
        
                    Dim lvDataTable As New DataTable() 
        
                    Dim lvDataRow As DataRowView 
        
                    lvDataTable.TableName = "testing" 
        
                    lvDataTable.Columns.Add("ref") 
        
                    lvDataTable.Columns.Add("desc") 
        
                    lvDataTable.Columns.Add("id") 
        
                    lvDataView.Table = lvDataTable 
        
                    For lvI = 1 To 40 
        
                        lvDataRow = lvDataView.AddNew() 
        
                        lvDataRow.Item("ref") = "test ref" 
        
                        lvDataRow.Item("desc") = "test desc" 
        
                        lvDataRow.Item("id") = lvI 
        
                    Next 
        
                    list.VirtualItemCount = 40 
        
                    list.DataSource = lvDataView 
        
                    list.DataBind() 
        
                End Sub 
        
                Private Sub list_ItemCommand(ByVal source As Object, ByVal e As Telerik.Web.UI.GridCommandEventArgs) Handles list.ItemCommand 
        
                    If (e.CommandName = "RowClick" AndAlso TypeOf e.Item Is Telerik.Web.UI.GridDataItem) Then 
        
                        e.Item.Selected = True 
        
                        debug.Text &= Chr(10) & "ItemCommand=" & e.Item.OwnerTableView.DataKeyValues(e.Item.ItemIndex)("id") 
        
                        list.ClientSettings.EnablePostBackOnRowClick = True 
        
                    End If 
        
                End Sub 
        
                Private Sub list_PageIndexChanged(ByVal source As Object, ByVal e As Telerik.Web.UI.GridPageChangedEventArgs) Handles list.PageIndexChanged 
        
                    list.CurrentPageIndex = e.NewPageIndex 
        
                    populateGrid("PageIndexChanged") 
        
                End Sub 
        
            End Class

current RadControls for Asp.Net Ajax Version: 2007.3 1425

Thanks

1 Answer, 1 is accepted

answered on 02 Dec 2008, 02:11 PM

Problem solved... :)

I have inserted a ajaxmanagerproxy on the webuser control

    
            <telerik:RadAjaxManagerProxy runat="server" ID="AjaxManagerProxy" > 
        
            <AjaxSettings> 
        
            <telerik:AjaxSetting AjaxControlID="list" > 
        
            <UpdatedControls> 
        
            <telerik:AjaxUpdatedControl  ControlID="list"/> 
        
            </UpdatedControls> 
        
            </telerik:AjaxSetting> 
        
            </AjaxSettings> 
        
            </telerik:RadAjaxManagerProxy>

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RadGrid EnablePostBackOnRowClick only works 1st time inside radajaxmanager

current RadControls for Asp.Net Ajax Version: 2007.3 1425

1 Answer, 1 is accepted