Radgrid multi-level grouping don't show data after AjaxManager Request

[tiago]

Hi there, 

 

I'm having a problem with my radrid multi-level grouping.

When a Ajax request occours my grid loses all data.

 

I show my source code.

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage/IAMS.Master" AutoEventWireup="true" CodeBehind="ForeCastManager.aspx.cs" Inherits="LCG.Web.IAMS.AWA.Pages.ForeCastManager" %>

<%@ Register Src="~/Controls/Common/CustomNotification.ascx" TagPrefix="common" TagName="notification" %>
<asp:Content ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    <telerik:RadAjaxManager ID="ForecastAjaxManager" runat="server">
        <AjaxSettings>

            <telerik:AjaxSetting AjaxControlID="ForecastClientesRadGrid">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="TabForecastList" />
                    <telerik:AjaxUpdatedControl ControlID="ForecastPagesViews" LoadingPanelID="TaskLoadingPanel" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="ForecastPagesViews">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="TabForecastList" />
                    <telerik:AjaxUpdatedControl ControlID="ForecastPagesViews" LoadingPanelID="TaskLoadingPanel" />

                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="TabForecastList">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="TabForecastList" />
                    <telerik:AjaxUpdatedControl ControlID="ForecastPagesViews" LoadingPanelID="TaskLoadingPanel" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="ForecastAjaxManager">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="ForecastPagesViews" LoadingPanelID="TaskLoadingPanel" />
                    <telerik:AjaxUpdatedControl ControlID="TabForecastList" />
                    <telerik:AjaxUpdatedControl ControlID="ForecastClientesRadGrid" />
                </UpdatedControls>
            </telerik:AjaxSetting>
        </AjaxSettings>
    </telerik:RadAjaxManager>
    <telerik:RadAjaxLoadingPanel runat="server" ID="TaskLoadingPanel">
    </telerik:RadAjaxLoadingPanel>
</asp:Content>
<asp:Content ContentPlaceHolderID="ContentPlaceHolder2" runat="server">
    <telerik:RadMenu runat="server" ID="MainMenu" RenderMode="Auto" EnableRoundedCorners="True" Width="100%"
        OnClientItemClicking="onMainMenuItemClicking" meta:resourcekey="RadMenu4Resource1" Style="z-index: 1">
        <Items>
            <telerik:RadMenuItem runat="server" Text="Create New" NavigateUrl="#CreateDocumentManagerAccount" meta:resourcekey="CreateDocumentManagerAccount">
            </telerik:RadMenuItem>
            <!-- when i click in "Create New" button a AjaxManager_request occours and i lost my grid information -->

            <telerik:RadMenuItem runat="server" Text="Delete" NavigateUrl="#DeleteDocumentManagerAccount" meta:resourcekey="DeleteDocumentManagerAccount">
            </telerik:RadMenuItem>
        </Items>
    </telerik:RadMenu>
    <telerik:RadTabStrip ID="TabForecastList" runat="server"
        MultiPageID="ForecastPagesViews"
        Orientation="HorizontalTop"
        OnClientLoad="OnClientLoad"
        SelectedIndex="0">
    </telerik:RadTabStrip>
    <telerik:RadMultiPage ID="ForecastPagesViews" runat="server" OnPageViewCreated="ForecastPagesViews_PageViewCreated" Orientation="HorizontalTop" SelectedIndex="0" PerTabScrolling="true" RenderMode="Classic" ReorderTabsOnSelect="true">
        <telerik:RadPageView ID="DocumentClientsPageView" runat="server" Height="600px">
                <telerik:RadGrid
                    runat="server" ID="ForecastClientesRadGrid"
                    AutoGenerateColumns="False"
                    Height="600px"
                    BorderWidth="0px"
                    AllowSorting="True"
                    Style="outline: none"
                    EnableLinqExpressions="False"
                    OnItemCommand="ForecastClientesRadGrid_ItemCommand"
                    ShowGroupPanel="True"
                    FilterMenu-Enabled="true"
                    OnDetailTableDataBind="ForecastClientesRadGrid_DetailTableDataBind"
                    OnNeedDataSource="ForecastClientesRadGrid_NeedDataSource"
                    AllowPaging="True"
                    FilterType="Combined"
                    AllowFilteringByColumn="True"
                    AllowMultiRowEdit="True"
                    AllowAutomaticUpdates="True">
                    <ClientSettings
                        Scrolling-AllowScroll="True"
                        Scrolling-UseStaticHeaders="true"
                        Selecting-AllowRowSelect="true"
                        AllowGroupExpandCollapse="True"
                        AllowDragToGroup="true"
                        EnableRowHoverStyle="true">
                        <Selecting AllowRowSelect="True" />
                        <Scrolling AllowScroll="True" UseStaticHeaders="True" />
                        <ClientEvents OnRowDblClick="OnRowDblClick" />
                    </ClientSettings>
                    <PagerStyle Mode="NumericPages" PageSizeControlType="None"></PagerStyle>
                    <MasterTableView TableLayout="Fixed" PageSize="16" Width="100%" ClientDataKeyNames="ID" DataKeyNames="Id">
                        <DetailTables>
                            <telerik:GridTableView DataKeyNames="Id" Name="Forecast" Width="100%" AllowFilteringByColumn="false">
                                <Columns>
                                    <telerik:GridButtonColumn
                                        CommandName="RowClick"
                                        ImageUrl="../Images/edit.png" ButtonType="ImageButton"
                                        ItemStyle-HorizontalAlign="Center" ItemStyle-Width="30px" HeaderStyle-Width="30px"
                                        UniqueName="imageSingleClick">
                                    </telerik:GridButtonColumn>
                                    <telerik:GridBoundColumn DataField="Id" DataType="System.Int32" HeaderText="Id" SortExpression="Id" UniqueName="Id" Display="false">
                                        <ColumnValidationSettings>
                                            <ModelErrorMessage Text="" />
                                        </ColumnValidationSettings>
                                    </telerik:GridBoundColumn>
                                    <telerik:GridBoundColumn DataField="Description" HeaderText="Description" SortExpression="Description" AllowFiltering="false" UniqueName="Description">
                                        <ColumnValidationSettings>
                                            <ModelErrorMessage Text="" />
                                        </ColumnValidationSettings>
                                    </telerik:GridBoundColumn>
                                </Columns>
                            </telerik:GridTableView>
                        </DetailTables>
                        <Columns>
                            <telerik:GridBoundColumn DataField="Id" DataType="System.Int32" FilterControlAltText="Filter Id column" HeaderText="Id" SortExpression="Id" UniqueName="Id" Display="false">
                                <ColumnValidationSettings>
                                    <ModelErrorMessage Text="" />
                                </ColumnValidationSettings>
                            </telerik:GridBoundColumn>
                            <telerik:GridBoundColumn DataField="Name" FilterControlAltText="Filter NIF column" HeaderText="Name" SortExpression="Name" UniqueName="Name" HeaderButtonType="TextButton">
                                <ColumnValidationSettings>
                                    <ModelErrorMessage Text="" />
                                </ColumnValidationSettings>
                            </telerik:GridBoundColumn>
                        </Columns>
                        <PagerStyle PageSizeControlType="None" />
                    </MasterTableView>
                    <FilterMenu CssClass="RadFilterMenu_CheckList">
                    </FilterMenu>
                </telerik:RadGrid>
        </telerik:RadPageView>
    </telerik:RadMultiPage>

    <telerik:RadScriptBlock runat="server">
        <script type="text/javascript" src="../Scripts/pages/forecastManagerAccount.js"></script>
        <script type="text/javascript" src="../Scripts/lib/tabLib.js"></script>
        <script type="text/javascript">
            //<![CDATA[
            $(document).ready(function () {
                window.forecastManager = new Object();
                window.forecastManager.ajaxManager = $find("<%= ForecastAjaxManager.ClientID %>");
            });


            function OnRowDblClick(sender, args) {
                var index = args._itemIndexHierarchical;
                __doPostBack("<%= ForecastClientesRadGrid.UniqueID %>", "<%= this.CustomDoubleClickCommand %>" + ":" + index);
            }

            function onMainMenuItemClicking(sender, args) {
                mainMenuItemClicking(sender, args);
            }

            //]]>
        </script>
    </telerik:RadScriptBlock>
    <common:notification runat="server" ID="NotificationDialog" />
</asp:Content>

 

And respective code-behind

using LCG.Business.Entities.Contacts;
using LCG.Client.Contracts.Service;
using LCG.Client.Proxies.Proxies;
using LCG.Web.IAMS.AWA.Code;
using LCG.Web.IAMS.AWA.Controls.Documents;
using LCG.Web.IAMS.AWA.Controls.Forecast;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;

namespace LCG.Web.IAMS.AWA.Pages
{
    public partial class ForeCastManager : System.Web.UI.Page
    {
        ServiceFactory factory = new ServiceFactory();
        private SessionClientCredentials _credentials;
        private SessionClientCredentials credentials
        {
            get
            {
                if (_credentials == null)
                    _credentials = SessionCredentials.GetCurrentUser();

                return _credentials;
            }
        }
        public static string PageUrl = System.Web.VirtualPathUtility.ToAbsolute("~/Pages/ForeCastManager.aspx");
        private static string _moduleName = "Forecast";
        public string CustomDoubleClickCommand
        {
            get
            {
                return "CustomRowDoubleClick";
            }
        }
        public int TabIndex
        {
            get
            {
                return (int?)Session["tabIndex"] ?? TabForecastList.Tabs.Count;
            }
            set
            {
                Session["tabIndex"] = value;
            }
        }

        #region Page events
        protected void Page_Init(object sender, EventArgs e)
        {

            if (!Page.IsPostBack)
            {
                TabForecastList.Tabs.Add(new RadTab() { Text = _moduleName });
                TabIndex = 1;
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            ForecastAjaxManager.AjaxRequest += ForecastAjaxManager_AjaxRequest;
            var tabTemplate = new TabTemplate();
            foreach (RadTab tab in TabForecastList.Tabs)
            {
                if (!tab.Text.Equals(_moduleName, StringComparison.InvariantCultureIgnoreCase))
                {
                    tabTemplate.InstantiateIn(tab, _moduleName);
                }
            }

            if (!IsPostBack)
            {
                //TODO:Alterar isto para resources
                Page.Title = "IAMS - Forecast";
                RadSkinManager skinManager = new RadSkinManager();
                if (HttpContext.Current.Session["cultureId"] != null)
                {
                    string cultureId = (string)HttpContext.Current.Session["cultureId"];
                    Thread.CurrentThread.CurrentUICulture = new CultureInfo(cultureId);
                    Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(cultureId);
                }
            }
        }
        private void AddTab(string title, string id)
        {
            var tabTemplate = new TabTemplate();
            RadTab tab = new RadTab() { Text = title };
            tab.PostBack = false;

            tabTemplate.InstantiateIn(tab, _moduleName);
            TabForecastList.Tabs.Insert(TabForecastList.Tabs.Count, tab);
            TabForecastList.DataBind();
            TabForecastList.SelectedIndex = tab.Index;
        }
        private void AddPageView(bool isNew, string pvId)
        {
            try
            {
                RadPageView pageView = new RadPageView();

                if (isNew)
                {
                    pageView.ID = "NewForecast" + pvId;
                    //TabIndex++;
                }
                else
                {
                    pageView.ID = pvId;
                }

                pageView.CssClass = "pageView";
                ForecastPagesViews.PageViews.Add(pageView);
                ForecastPagesViews.SelectedIndex = pageView.Index;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        private void ForecastAjaxManager_AjaxRequest(object sender, AjaxRequestEventArgs e)
        {
            string argument = e.Argument.ToLower();
            string[] strCommand = argument.Split('|');

            if (strCommand != null)
            {
                switch (strCommand[0])
                {
                    case "createdocumentmanageraccount":
                        TabIndex++;
                        AddTab("NewForecast", TabIndex.ToString());
                        AddPageView(true, TabIndex.ToString());
                        break;

                    case "savedocument":
                        ForecastInfo forecastInfo = FindFileTreeInfoControl(ForecastPagesViews.SelectedPageView.ID);
                        if (forecastInfo == null)
                        {
                            forecastInfo = FindFileTreeInfoControl(string.Format("NewForecast{0}", TabIndex));
                        }
                        forecastInfo.Save();

                        break;
                    default:
                        break;
                }
            }
        }
        private ForecastInfo FindFileTreeInfoControl(string id)
        {
            Control foundControl = ForecastPagesViews.SelectedPageView.FindControl(id);
            if (foundControl == null || foundControl.Controls == null || foundControl.Controls.Count == 0)
            {
                NotificationDialog.Show("Error", "An error occured getting the document.", TypeOfNotifications.Warning);
            }

            return (ForecastInfo)foundControl.Controls[0];
        }

        #endregion
        protected void ForecastPagesViews_PageViewCreated(object sender, Telerik.Web.UI.RadMultiPageEventArgs e)
        {
            if (e.PageView.ID.Contains("NewForecast"))
            {
                e.PageView.Controls.Add(LoadDocumentInfo(0));
            }
            else
            {
                e.PageView.Controls.Add(LoadDocumentInfo(int.Parse(e.PageView.ID)));
            }
        }

        private Control LoadDocumentInfo(int forecastId)
        {
            ForecastInfo forecastInfo = (ForecastInfo)Page.LoadControl("~/Controls/Forecast/ForecastInfo.ascx");
            var proxyCompany = factory.CreateClient<IContactService>(credentials, false);

            forecastInfo.SaveForecast += ForecastInfo_SaveForecast;

            if (forecastId == 0)
            {
                forecastInfo.Forecast = new Forecast();
                forecastInfo.ID = string.Format("ForecastInfonewForecast{0}", TabIndex);
            }
            else
            {
                Forecast forecast = new Forecast();
                forecast.Id = forecastId;
                forecast = proxyCompany.GetForecastById(forecast);
                #region EDIT
                proxyCompany.OpenChannel();
                forecastInfo.Forecast = forecast;
                //TODO: alterar isto
                forecastInfo.Companies = proxyCompany.GetCompanies(credentials.Account, credentials.User, 100, "").ToList();
                forecastInfo.Description = forecast.Description;
                forecastInfo.LoadForeCast();
                proxyCompany.CloseChannel();
                #endregion

            }

            return forecastInfo;
        }

        private void ForecastInfo_SaveForecast(Forecast forecast, EventArgs e)
        {
            var proxy = factory.CreateClient<IContactService>(credentials, false);
            try
            {
                proxy.OpenChannel();

                Forecast newForecast = proxy.GetForecastById(forecast);

                if (newForecast == null)
                {
                    newForecast = new Forecast();
                }
                newForecast.Description = forecast.Description;
                newForecast.CompanyId = forecast.CompanyId;
                newForecast.Id = forecast.Id;
                newForecast.Records = forecast.Records;
                if (forecast.Id != 0)
                {
                    proxy.UpdateForecast(forecast);
                }
                else
                {
                    proxy.CreateForecast(forecast);
                }
                TabForecastList.SelectedTab.Text = newForecast.Description;
                Label lbl = (Label)TabForecastList.SelectedTab.FindControl("lblTabTitle");
                lbl.Text = newForecast.Description;
                ForecastClientesRadGrid.DataBind();
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                proxy.CloseChannel();
            }
        }

        protected void ForecastClientesRadGrid_ItemCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
        {
            if (e.CommandName == "RowClick")
            {

                GridEditableItem editedItem = e.Item as GridEditableItem;
                Hashtable newValues = new Hashtable();
                e.Item.OwnerTableView.ExtractValuesFromItem(newValues, editedItem);
                int entityId = newValues["Id"] != null ? Convert.ToInt32(newValues["Id"]) : 0;
                string title = newValues["Description"].ToString().Length > 20 ? string.Format("{0}...", newValues["Description"].ToString().Substring(0, 20)) : newValues["Description"].ToString();
                string eventArgument = string.Format("{0}:{1}:{2}", e.CommandName, entityId, title);
                OpenTab(eventArgument);

            }
        }

        protected void ForecastClientesRadGrid_DetailTableDataBind(object sender, Telerik.Web.UI.GridDetailTableDataBindEventArgs e)
        {
            GridDataItem dataItem = (GridDataItem)e.DetailTableView.ParentItem;
            var proxyForecast = factory.CreateClient<IContactService>(credentials);
            switch (e.DetailTableView.Name)
            {
                //1º
                case "Forecast":
                    {
                        string CompanyId = dataItem.GetDataKeyValue("Id").ToString();
                        e.DetailTableView.DataSource = proxyForecast.GetForeCastsByCompany(CompanyId).ToList();
                        break;
                    }
            }
        }

        protected void ForecastClientesRadGrid_NeedDataSource(object sender, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
        {
            if (!e.IsFromDetailTable)
            {
                var proxy = factory.CreateClient<IContactService>(credentials);
                List<Company> lstCompanies = new List<Company>();
                lstCompanies.AddRange(proxy.GetAllCompanies(credentials.Account, credentials.User).ToList());
                ForecastClientesRadGrid.DataSource = lstCompanies;
            }
        }

        private void OpenTab(string eventArgument)
        {
            string[] command = eventArgument.Split(':');
            string taskId = string.Empty;
            string title = string.Empty;

            switch (command[0])
            {
                case "CustomRowDoubleClick":
                    GridDataItem dataItem = (GridDataItem)ForecastClientesRadGrid.SelectedItems[0];
                    if (command.Length == 6 || (command.Length == 3 && dataItem["AbbreviatedName"].Text.Contains("DM#")))
                    {
                        taskId = dataItem["Id"].Text;
                        title = dataItem["Description"].Text;
                        title = (title.Length > 20 ? title.Substring(0, 20) + "..." : title);
                    }
                    break;
                case "RowClick":

                    taskId = command[1];
                    title = command[2];
                    break;

                default:
                    break;
            }

            if (!string.IsNullOrEmpty(taskId))
            {
                if (TabForecastList.FindTabByText(title) == null)
                {
                    AddTab(title, taskId);
                    AddPageView(false, taskId);
                }
                else
                {
                    TabForecastList.FindTabByText(title).Selected = true;
                    ForecastPagesViews.PageViews[TabForecastList.FindTabByText(title).Index].Selected = true;
                }
            }

        }
    }
}

 

Someone can help me?

 

Best regards,