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RadDatePicker Q3 2009 - set_minDate() throws error

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

Chelsea Leonhart asked on 13 Jan 2010, 04:06 AM

Hi Telerik,

I'm using ASP.NET AJAX RadControls Q3 2009 and I got problem with RadDatePicker.

Here is the code

    
            <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %> 
        
            <%@ 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>Test Page</title> 
        
            </head> 
        
            <body> 
        
                <form id="form1" runat="server"> 
        
                    <telerik:RadScriptBlock ID="RadCodeBlock" runat="server"> 
        
                        <script type="text/javascript"> 
        
                            function OnDateSelected(sender, e) 
        
                            { 
        
                                if(!sender.isEmpty()) 
        
                                { 
        
                                    var startDate = sender.get_selectedDate(); 
        
                                    var rdpRequestedEndDate = $find("<%= rdpRequestedEndDate.ClientID %>"); 
        
                                    rdpRequestedEndDate.set_selectedDate(startDate); 
        
                                    rdpRequestedEndDate.set_minDate(startDate); 
        
                                } 
        
                            } 
        
                        </script> 
        
                    </telerik:RadScriptBlock>     
        
                    <telerik:RadScriptManager ID="ScriptManager" runat="server" /> 
        
                    <table> 
        
                        <tr> 
        
                            <td class="tdLabel" style="text-align: right;"> 
        
                                <asp:Label ID="lblRequestedStartDateLabel" Text="Requested Start Date:" runat="server" 
        
                                    meta:resourcekey="lblRequestedStartDate"></asp:Label> 
        
                            </td> 
        
                            <td style="text-align: left; "> 
        
                                <telerik:RadDatePicker ID="rdpRequestedStartDate"  
        
                                        DateInput-DisplayDateFormat="dd-MMM-yyyy" runat="server" MinDate="<%#DateTime.Now %>"> 
        
                                    <Calendar ID="Calendar1" runat="server"> 
        
                                    </Calendar> 
        
                                    <ClientEvents OnDateSelected="OnDateSelected" /> 
        
                                </telerik:RadDatePicker> 
        
                            </td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td class="tdLabel" style="text-align: right; "> 
        
                                <asp:Label ID="lblRequestedEndDateLabel" Text="Requested End Date:" runat="server" 
        
                                   meta:resourcekey="lblRequestedEndDateLabel"></asp:Label> 
        
                            </td> 
        
                            <td style="text-align: left; "> 
        
                                <telerik:RadDatePicker ID="rdpRequestedEndDate" runat="server" MinDate="<%#DateTime.Now %>" 
        
                                    DateInput-DisplayDateFormat="dd-MMM-yyyy"> 
        
                                    <Calendar ID="Calendar2" runat="server" Skin="WebBlue"> 
        
                                    </Calendar> 
        
                                </telerik:RadDatePicker> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                </form> 
        
            </body> 
        
            </html>

I have two RadDatePicker. The only event is changing the RequestedEndDate on RequestedStartDate_Selected.
If I change the RequestedEndDate first, then change the RequestedStartDate; it will throw an error "Object required" (I use the IE Developer tool to debug the error on IE browser). The Javascript line which makes error seems to be "rdpRequestedEndDate.set_minDate(startDate); ".

Please help me to solve this issue.
Thanks a lot.

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RadDatePicker Q3 2009 - set_minDate() throws error

2 Answers, 1 is accepted