I am getting the following error message sometimes when my scheduler is trying to display.  I am feeding it a dataset with start and end dates that traverse anywhere from one day to many weeks.  All of the data looks good and no end dates are less than the start dates.  Are there any quick things I could check to fix this.

I have implemented a custom appointment comparing class and when I use this the scheduler does initially display all values, but once I click to access anything else I get the error below.

Please help when you can.

Error:
Unable to sort because the IComparer.Compare() method returns inconsistent results. Either a value does not compare equal to itself, or one value repeatedly compared to another value yields different results. IComparer: 'Telerik.Web.UI.AppointmentComparer'.

Type:
System.ArgumentException

Stack Trace:
at System.Collections.Generic.IntrospectiveSortUtilities.ThrowOrIgnoreBadComparer(Object comparer)
at System.Collections.Generic.ArraySortHelper`1.Sort(T[] keys, Int32 index, Int32 length, IComparer`1 comparer)
at System.Collections.Generic.List`1.Sort(Int32 index, Int32 count, IComparer`1 comparer)
at Telerik.Web.UI.Scheduler.Views.Month.Model.CreateDaySlot(DateTime dayStart, DateTime dayEnd, Int32 dayIndex, DateTime weekStart, IList`1 trimmedAppointments)
at Telerik.Web.UI.Scheduler.Views.Month.Model.DataBind(AppointmentCollection appointments)
at Telerik.Web.UI.RadScheduler.CreateContent()
at Telerik.Web.UI.RadScheduler.CreateChildControls(Boolean bindFromDataSource)
at System.Web.UI.Control.EnsureChildControls()
at System.Web.UI.Control.FindControl(String id, Int32 pathOffset)
at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

I have a ComboBox that I would like to change the Text value on the client side using JavaScript.  How can I go about setting the text of a CB by passing a custom parameter.  I would like this to be a universal function so I need to find the object calling the function, set the Substring value based on a passed parameter, and then set the text property of the CB to that.  For example, options are:  

1 | Item 1

2 | Item 2

3 | Item 3

On the event OnClientSelectedIndexChanged I would like to change the text to only the left character.  What I am looking for is something like this, but works:

Hello, 

I am currently using the checkbox template column to bind a boolean column which seems to be working fine except for one major problem. 

When I click the checkbox (changed state) I will have to click multiple times around and/or above the checkbox row location to trigger the edited flag.

I need the flag triggered in order to call my batch edit save button function. (Batch save wont trigger without having edit flag up)

Everything seems to be binding properly without issue but except for getting the flag to trigger. Again, only multiple clicks around the checkbox will finally trigger the flag (exact position isn't clear). 

 

Best, 

-R

 

ASP Code:

 

<telerik:GridTemplateColumn ColumnEditorID="CompletedBox" Reorderable="true" AllowSorting="true" HeaderText="Complete" >
                  <HeaderStyle Width="60px" />
                  <ItemStyle CssClass="float-right" />
                   <ItemTemplate> 
                    <asp:CheckBox ID="CheckBox3" runat="server" Checked='<%# Bind("CompletedAsBool") %>' /> 
                   </ItemTemplate>
                  <EditItemTemplate >
                    <asp:CheckBox ID="CheckBox2" runat="server" Checked='<%# Bind("CompletedAsBool") %>' />
                  </EditItemTemplate>
</telerik:GridTemplateColumn>

Hi,
On client side  button click event, I want to get control id that are place in Item template of List-view

Hi 
I have a RadTabStrip with 3 tabs which has a User Control on each tab. Each User Control has a Radgrid on it, I am trying to add filtering to some of the columns. The filters are showing but has no response when entering anything in them, they just don't do anything at all..
Please advise me on this, here is my markup:

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="RadGridsUserControlCS.ascx.cs" Inherits="RadGridsUserControlCS1" %>
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>

<div>

    <asp:Label ID="lblEmpID" runat="server"></asp:Label>

    <br />
    <br />

    <asp:Label ID="Label1" runat="server" Text="Project:"></asp:Label>

    <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource4" DataTextField="projno" DataValueField="dbcsuffix">
    </asp:DropDownList>

    <asp:SqlDataSource ID="SqlDataSource4" runat="server" ConnectionString="<%$ ConnectionStrings:DMCONFIGConnectionString %>" SelectCommand="SELECT projno, dbcsuffix FROM fProject"></asp:SqlDataSource>

    <br />

    <telerik:RadAjaxManagerProxy ID="RadAjaxManagerProxy1" runat="server">
        <AjaxSettings>
            <telerik:AjaxSetting AjaxControlID="gridFilesDisplay" >
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="gridFilesDisplay" LoadingPanelID="RadAjaxLoadingPanel1" />                
                </UpdatedControls>          
            </telerik:AjaxSetting>      
        </AjaxSettings>
    </telerik:RadAjaxManagerProxy>

    <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" Skin="Vista" ></telerik:RadAjaxLoadingPanel>

    <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">

        <script type="text/javascript">

            function onRequestStart(sender, args)
            {
                if (args.get_eventTarget().indexOf("ExportToExcelButton") >= 0 || args.get_eventTarget().indexOf("ExportToPdfButton") >= 0)
                {
                    args.set_enableAjax(false);
                }
            }

        </script>    

         <script type="text/javascript">

             function openDocumentComments(position, Documentno)
             {
                 var oWnd = radopen("DocumentComments.aspx?position=" + position, + "&Documentno=" + Documentno, "DocumentComments");
                 oWnd.center();
             }

             function RefreshPageForGrid()
             {
                 window.location.href = "RadGridsUserControlCS.aspx";
             }

         </script> 

        <script  type="text/javascript">

                    Sys.Application.add_load(AppLoad);

                    function AppLoad() {
                        Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequest);
                        Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(BeginRequest);
                    }

                    function BeginRequest(sender, args) {
                        // Clear the error if it's visible from a previous request.
                        if ($get('Error').style.visibility == "visible")
                            CloseError();
                    }

                    function EndRequest(sender, args) {
                        // Check to see if there's an error on this request.
                        if (args.get_error() != undefined) {
                            // If there is, show the custom error.
                            $get('Error').style.visibility = "visible";

                            // Let the framework know that the error is handled, 
                            //  so it doesn't throw the JavaScript alert.
                            args.set_errorHandled(true);
                        }
                    }

                    function CloseError() {
                        // Hide the error div.
                        $get('Error').style.visibility = "hidden";
                    }
        </script>

    </telerik:RadCodeBlock>

    <telerik:RadWindowManager ID="RadWindowManager1" runat="server" Skin="Vista">

        <Windows>

            <telerik:RadWindow Skin="Vista" ID="DocumentComments" runat="server" Title="Document Comments"
                Height="400px" Width="300px" Left="150px" ReloadOnShow="true" Modal="true" 
                OpenerElementID="btnProjReject" NavigateUrl="~/DocumentComments.aspx"/>

        </Windows>

    </telerik:RadWindowManager>

    <br />

</div>

<div>
    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <ContentTemplate>
            

            <telerik:RadGrid ID="gridFilesDisplay" 
                Skin="WebBlue" 
                runat="server" 
                AutoGenerateColumns="False" 
                OnNeedDataSource="gridFilesDisplay_NeedDataSource" 
                OnItemCommand="gridFilesDisplay_ItemCommand" 
                OnPreRender="gridFilesDisplay_PreRender" 
                OnLoad="gridFilesDisplay_Load"
                OnItemDataBound="gridFilesDisplay_ItemDataBound" 
                AllowFilteringByColumn="True">

                    <ClientSettings EnablePostBackOnRowClick="true">
                        <Selecting AllowRowSelect="True" />
                    </ClientSettings>

                    <MasterTableView DataKeyNames="position" CommandItemDisplay="Top">

                        <DetailTables>

                            <telerik:GridTableView DataKeyNames="position,category" DataSourceID="SqlDataSource2" Width="100%" runat="server" Name="Categories">

                                <DetailTables>
                                    <telerik:GridTableView runat="server" DataKeyNames="position,category" DataSourceID="SqlDataSource3" Name="Documents" Width="100%">

                                        <ParentTableRelation>
                                            <telerik:GridRelationFields DetailKeyField="category" MasterKeyField="category" />
                                        </ParentTableRelation>

                                        <Columns>

                                            <telerik:GridTemplateColumn DataType="System.Char"  UniqueName="DocumentComments" DataField="DocumentComments" AllowFiltering="false" FilterControlAltText="test"><%--HeaderText="Appr/Reject"--%>

                                               <ItemTemplate>

                                                   <a href="#"  style="text-decoration:none; color: red" onclick="openDocumentComments('<%# DataBinder.Eval(Container.DataItem, "position") %>, <%# DataBinder.Eval(Container.DataItem, "Documentno") %>'); return false;">Reviewed</a> 
                                               
                                               </ItemTemplate>
                           
                                                <EditItemTemplate>

                                                    <%--<asp:Button runat="server" ID="btnDocApprove" Text="Approve" Width="60px" OnClick="btnDocApprove_Click" />--%>

                                                    <%--<a href="#" onclick="openDocRadWindow('<%# DataBinder.Eval(Container.DataItem, "WBSEmpDocId") %>', '<%# DataBinder.Eval(Container.DataItem, "LineNbr") %>'); return false;" style="color: red">Reject</a>--%>

                                                </EditItemTemplate>

                                                <HeaderStyle Width="12%" Font-Bold="True" />
                                                <ItemStyle Font-Bold="true" HorizontalAlign="Center"/>

                                            </telerik:GridTemplateColumn>


                                            <telerik:GridBoundColumn DataField="position" HeaderText="Position" UniqueName="position" Visible="false" AllowFiltering="false">
                                                
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="category" HeaderText="Category" UniqueName="category" Visible="false" AllowFiltering="false">
                                                
                                                <HeaderStyle Font-Bold="true" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="Documentno" HeaderText="Document No" UniqueName="Documentno" AllowFiltering="true">
                                                
                                                <HeaderStyle Font-Bold="true" Width="10%" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="Rev_Now" HeaderText="Rev Now" UniqueName="Rev_Now" AllowFiltering="false">
                                                
                                                <HeaderStyle Font-Bold="true" Width="10%" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="STS_Now" HeaderText="STS Now" UniqueName="STS_Now" AllowFiltering="false">
                                                
                                                <HeaderStyle Font-Bold="true" Width="10%" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="MDR_Title" HeaderText="MDR Title" UniqueName="MDR_Title" AllowFiltering="true" FilterControlWidth="100px" >
                                                
                                                <HeaderStyle Font-Bold="true" Width="35%" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridBoundColumn DataField="storename" HeaderText="storename" UniqueName="storename" Visible="false" AllowFiltering="false">
                                                
                                                <HeaderStyle Font-Bold="true" />
                                            </telerik:GridBoundColumn>

                                            <telerik:GridTemplateColumn HeaderText="Download Document" AllowFiltering="false">

                                                <ItemTemplate>
                                                    <asp:LinkButton ID="LinkButton1" runat="server" CommandArgument='<%# Eval("storename") %>' CommandName="DownloadMyFile" Text="Download"></asp:LinkButton>
                                                    <%--<telerik:RadButton RenderMode="Lightweight" ID="DownloadMyFile" OnClientClicked="DownloadMyFile" CommandName="DownloadMyFile" Text="Download" AutoPostBack="false" runat="server" Width="90px">
                                                    </telerik:RadButton>--%>
                                                    <%--Text='<%# Eval("storename") %>'--%>
                                                </ItemTemplate>

                                                <HeaderStyle Font-Bold="true" />
                                            </telerik:GridTemplateColumn>

                                        </Columns>

                                    </telerik:GridTableView>
                                </DetailTables>

                                <ParentTableRelation>

                                    <telerik:GridRelationFields DetailKeyField="position" MasterKeyField="position"></telerik:GridRelationFields>

                                </ParentTableRelation>

                                <Columns>

                                    <telerik:GridBoundColumn HeaderText="Position" DataField="position" UniqueName="position" Visible="false" AllowFiltering="false">
                                        
                                    </telerik:GridBoundColumn>

                                    <telerik:GridBoundColumn HeaderText="Category" DataField="category" UniqueName="category" AllowFiltering="false">
     
                                        <HeaderStyle Width="10%" Font-Bold="true" />

                                    </telerik:GridBoundColumn>

                                    <telerik:GridBoundColumn HeaderText="Category Description" DataField="categorydesc" UniqueName="categorydesc" AllowFiltering="false">

                                        <HeaderStyle Width="90%" Font-Bold="true" />

                                    </telerik:GridBoundColumn>

                                </Columns>

                            </telerik:GridTableView>

                        </DetailTables>

                        <Columns>

                            <telerik:GridBoundColumn HeaderText="Position" DataField="position" UniqueName="position" Visible="false" AllowFiltering="false">
                                
                            </telerik:GridBoundColumn>

                            <telerik:GridBoundColumn HeaderText="First Name" DataField="firstname" UniqueName="firstname" AllowFiltering="false">

                                <HeaderStyle Width="20%" Font-Bold="true" />

                            </telerik:GridBoundColumn>

                            <telerik:GridBoundColumn HeaderText="Last Name" DataField="lastname" UniqueName="lastname" AllowFiltering="false">

                                <HeaderStyle Width="80%" Font-Bold="true" />

                            </telerik:GridBoundColumn>

                        </Columns>
                    </MasterTableView>

            </telerik:RadGrid>

            <asp:Button ID="btnApprove" runat="server" Text="Approve" Visible="false" OnClick="btnApprove_Click" />

        </ContentTemplate>
    </asp:UpdatePanel>
</div>

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DocViewConnectionString %>"
    DeleteCommand=""
    InsertCommand=""
    SelectCommand="xLevel1Names" SelectCommandType="StoredProcedure"
    UpdateCommand="" UpdateCommandType="Text" >
       
    <SelectParameters>

        <asp:SessionParameter Name="User" SessionField="User" Type="String" />
      <%--  <asp:SessionParameter Name="User" SessionField="User" Type="String" />--%>

    </SelectParameters>

</asp:SqlDataSource>

<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:DocViewConnectionString %>"
    DeleteCommand=""
    InsertCommand=""
    SelectCommand="xLevel2Categories" SelectCommandType="StoredProcedure"
    UpdateCommand="" UpdateCommandType="Text" >
       
    <SelectParameters>

        <asp:SessionParameter Name="User" SessionField="User" Type="String" />

    </SelectParameters>

</asp:SqlDataSource>

<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:DocViewConnectionString %>"
    DeleteCommand=""
    InsertCommand=""
    SelectCommand="xLevel3Docs" SelectCommandType="StoredProcedure"
    UpdateCommand="" UpdateCommandType="Text" >
       
    <SelectParameters>

        <asp:SessionParameter Name="User" SessionField="User" Type="String" />

        <asp:Parameter Name="category" Type="String" />

    </SelectParameters>

</asp:SqlDataSource>

<br />

<asp:Label ID="lblMessage" runat="server"></asp:Label>

Hello,

 

I just came across an issue trying to enable/disable the Treeview control

It is declared this way : 

 

Next of it, there's a checkbox that allows to enable/disable it

 

Here's the JS doing that : 

 

It's working as in : When checkbox is checked, I can click the checkboxes in the TreeView, expand/collapse its node but it still has a "disabled" style (greyed)

How do I get it to remove the grey layer on the control?

Thank you 

Telerik version : 2017.1.118

Within a step of my radwizard I need a button that is supposed to dynamically add some fields to my form as needed. No matter what I do, the button click event won't fire. What am I missing? I've added a simple demo to demonstrate:

Hi, I have a page that contains a RadComboBox that let's the user select a group name and a RadGrid that displays the members of the selected group.  I have added a setting to the RadAjaxManager to make the combo box update the grid.  That part seems to be working as the loading panel is shown over the grid each time I pick a different value from the combo box.  The problem is that the data in the grid doesn't change, unless I click the refresh button on the grid.

 

I set a breakpoint in my NeedDataSource event handler and I can see that the AJAX request occurs, but the handler is not invoked.  Is this the expected behavior?  If so, what is the correct way to achieve my desired outcome?

 

<telerik:RadAjaxManager ID="RadAjaxManager" runat="server">
   <AjaxSettings>
     <telerik:AjaxSetting AjaxControlID="RadComboBoxCustomGroups2">
       <UpdatedControls>
         <telerik:AjaxUpdatedControl ControlID="RadGridGroupMembers" LoadingPanelID="RadAjaxLoadingPanel" />
       </UpdatedControls>
     </telerik:AjaxSetting>
  </AjaxSettings>
</telerik:RadAjaxManager>

 

<asp:Panel ID="CustomizeCustomGroupPanel" runat="server" GroupingText="Customize Custom Group" Width="635px">
  <div>
    <div class="InlineTable">
      <telerik:RadComboBox ID="RadComboBoxCustomGroups2" runat="server"
                           DataSourceID="SqlDataSourceCustomGroups" DataTextField="Group_Name"
                           DataValueField="Group_Id" CssClass="radcombobox" AutoPostBack="True" />
    </div>
  </div>
  <br />
  <div>
    <div>
      <telerik:RadGrid ID="RadGridGroupMembers" runat="server" CssClass="RadGrid_site" ClientSettings-Selecting-AllowRowSelect="true"
                       AutoGenerateColumns="false" AllowAutomaticInserts="True" AllowAutomaticUpdates="True" AllowAutomaticDeletes="True" OnNeedDataSource="RadGridGroupMembers_NeedDataSource"
                       OnUpdateCommand="RadGridGroupMembers_UpdateCommand" OnInsertCommand="RadGridGroupMembers_InsertCommand">
        <MasterTableView CommandItemDisplay="Top" EditMode="InPlace" DataKeyNames="Branch_Id">
          <Columns>
            <telerik:GridEditCommandColumn />
            <telerik:GridBoundColumn DataField="Branch_Id" HeaderText="Branch ID" UniqueName="Branch_Id" ReadOnly="true" Display="false">
            </telerik:GridBoundColumn>
            <telerik:GridTemplateColumn HeaderText="Branch Name" UniqueName="Branch_Name">
              <EditItemTemplate>
                <asp:DropDownList runat="server" DataValueField="Branch_Name" DataSourceId="SqlDataSourceCustomGroupBranchesSource">
                </asp:DropDownList>
              </EditItemTemplate>
              <ItemTemplate>
                <asp:Label runat="server" ReadOnly="true" Text='<%# Eval("Branch_Name") %>'>
                </asp:Label>
              </ItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridDateTimeColumn DataField="Expiration" HeaderText="Expiration" UniqueName="Expiration" ReadOnly="false">
            </telerik:GridDateTimeColumn>
          </Columns>
        </MasterTableView>
      </telerik:RadGrid>
    </div>
  </div>
</asp:Panel>

I have a grid with a ClientSelectedItem column and an item template column with a list in it. When the page loads the ClientSelectedItem is disabled. I want to enable it client side when a value is selected in the dropdown, or change it back to disabled if they change the selection in the dropdown back to nothing. Here's the column section of the grid.

 

Thanks

Rodney

Hello,

I know there is an example how to show and hide the loading panel over one single page-element at the documentation. But I wonder if it is possible to show and hide the loading panel over multiple elements of the page, e.g. over a toolbar at the top and a grid at the bottom of the page.

Thanks in advance.

Kind regards

Felix