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Input string was not in a correct format

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Leonid
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Leonid asked on 04 May 2012, 10:02 AM
We have a page with search form, which uses 2 RadDatePicker components.

<div class="calendar date">
    <table>
        <tr>
            <td>
                <asp:Label runat="server" AssociatedControlID="DateFrom"><%=GetTranslatedText("LANG_WEB_MOBS_LASTMINUTE_DEPARTURE_DATE_LARGE")%></asp:Label>
            </td>
        </tr>
        <tr>
            <td>
                <telerik:RadDatePicker ID="DateFrom" runat="server" Width="100px">
                    <ClientEvents OnDateSelected="OnDateFromSelected" />
                </telerik:RadDatePicker>
            </td>
        </tr>
        <tr>
            <td>
                <asp:Label ID="WeekDayCheckIn" runat="server">Dienstag</asp:Label>
            </td>
        </tr>
    </table>
</div>
<div class="calendar duration">
    <table>
        <tr>
            <td>
                <asp:Label runat="server" AssociatedControlID="Duration"><%=GetTranslatedText("LANG_WEB_MOBS_LASTMINUTE_DURATION")%></asp:Label>
            </td>
        </tr>
        <tr>
            <td>
                <asp:DropDownList runat="server" ID="Duration" onchange="SetReturnDate_CY('ctl00_ContentMainPlaceHolder_SearchForm_');GetDayOfWeek('ctl00_ContentMainPlaceHolder_SearchForm_');">
                                    <asp:ListItem Value="" Text="Bitte wählen"></asp:ListItem>
                                    <asp:ListItem Value="" disabled="disabled" Text="-------------"></asp:ListItem>
                                    <asp:ListItem Value=">=1 <=5" Text="1-5 Nächte"></asp:ListItem>
                                    <asp:ListItem style="font-weight: bold;" Value=">=6 <=8" Text="6-8 Nächte(1 Woche)"></asp:ListItem>
                                    <asp:ListItem Value=">=9 <=12" Text="9-12 Nächte"></asp:ListItem>
                                    <asp:ListItem style="font-weight: bold;" Value=">=13 <=15" Text="13-15 N. (2 Wochen)"></asp:ListItem>
                                    <asp:ListItem Value=">=16 <=19" Text="16-19 Nächte"></asp:ListItem>
                                    <asp:ListItem style="font-weight: bold;" Value=">=20 <=22" Text="20-22 N. (3 Wochen)"></asp:ListItem>
                                    <asp:ListItem Value="" disabled="disabled" Text="-------------"></asp:ListItem>
                                    <asp:ListItem Value=">=1 <=1" Text="1 Nacht"></asp:ListItem>
                                    <asp:ListItem Value=">=2 <=2" Text="2 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=3 <=3" Text="3 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=4 <=4" Text="4 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=5 <=5" Text="5 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=6 <=6" Text="6 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=7 <=7" Text="7 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=8 <=8" Text="8 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=9 <=9" Text="9 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=10 <=10" Text="10 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=11 <=11" Text="11 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=12 <=12" Text="12 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=13 <=13" Text="13 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=14 <=14" Text="14 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=15 <=15" Text="15 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=16 <=16" Text="16 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=17 <=17" Text="17 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=18 <=18" Text="18 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=19 <=19" Text="19 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=20 <=20" Text="20 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=21 <=21" Text="21 Nächte"></asp:ListItem>
                                    <asp:ListItem Value=">=22" Text=">21 Nächte"></asp:ListItem>
                                </asp:DropDownList>
            </td>
        </tr>
    </table>
</div>
<div class="calendar date">
    <table>
        <tr>
            <td>
                <asp:Label runat="server" AssociatedControlID="DateTo"><%=GetTranslatedText("LANG_WEB_MOBS_LASTMINUTE_RETURN_DATE_LARGE")%></asp:Label>
            </td>
        </tr>
        <tr>
            <td>
                <telerik:RadDatePicker ID="DateTo" runat="server" Width="100px">
                    <ClientEvents OnDateSelected="OnDateToSelected" />
                </telerik:RadDatePicker>
            </td>
        </tr>
        <tr>
            <td>
                <asp:Label runat="server" ID="WeekDayCheckOut">Dienstag</asp:Label>
            </td>
        </tr>
    </table>
</div>

and a piece of javascript code :

function SetReturnDate_CY(prefix)
{
    if (document.getElementById(prefix+'Duration')) {
            dt = $find(prefix+'DateFrom').get_selectedDate();
            min_duration = MinDuration_CY(prefix);
            max_duration = MaxDuration_CY(prefix);
            var one_day = 1000 * 60 * 60 * 24;
            if ($find(prefix+'DateTo').get_selectedDate()) {
                dt2 = $find(prefix+'DateTo').get_selectedDate();
                //Calculate difference btw the two dates, and convert to days
                var diff = Math.ceil((dt2.getTime() - dt.getTime()) / one_day);
            }
            else {
                dt2 = dt;
                diff = 0;
            }
            calendar=$find(prefix+"DateTo");
            if(calendar)
            {
                if (diff < min_duration) {
                    dt2.setTime(dt.getTime() + (max_duration+7) * one_day);
                    calendar.set_selectedDate(dt2);
                }
                var min_return_date=dt;
                min_return_date.setTime(dt.getTime()+one_day);
                calendar.set_minDate(min_return_date);
            }
    }
// SetReturnDate


Default values are set by C# code directly. In general it works fine, but the problem is, that we get errors from calendar components like this - 



User Agent:        Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)


Error Message:  Input string was not in a correct format.


Error Source:        mscorlib
Error TargetSite:    Void StringToNumber(System.String, System.Globalization.NumberStyles, NumberBuffer ByRef, System.Globalization.NumberFormatInfo, Boolean)
Error Stack Trace:      at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at Telerik.Web.UI.Calendar.Utils.Utility.ConvertToServerDateTimeCollection(DateTimeCollection dateTimeCollection, String inputString)
   at Telerik.Web.UI.RadCalendar.LoadPostData(String postDataKey, NameValueCollection postCollection)
   at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)


These errors come from unknown user and we have no clue, how to reproduce and how to fix it. We use the version RadControls for ASP.NET AJAX Q3 2011. Do you have any ideas, why this can happen?

Best regards,
Leonid

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BabaYa
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answered on 08 May 2012, 08:24 AM
Hi,

Try to upgrade to latest telerik. I use their calendars and they broke it mani times in previous version. Latest still have some problems but your issue can resolved.

Thanks
BabaYa
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Leonid
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