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admintehran

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Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 26, 2013 07:04 AM|LINK

hi there,

I am currently get this unhandled exception in first time of a page load (onetime for application start) and after reloading the same page, I dont get this exception and everythings is OK . I'm not use datetime conversion in my login.aspx page. this problem while cause when i use telerik control. it's attractive this exception in every page that use Telerik Rad Script Manager and stop rendering page.

i will gratefull everyone that help me for solve this problem.

Server Error in '/' Application.

The string was not recognized as a valid DateTime. There is an unknown word starting at index 20.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: The string was not recognized as a valid DateTime. There is an unknown word starting at index 20.

Source Error:

Line 231:                            <div class="login" id="loginPanel" runat="server">
Line 232:                                <%--<div id="login_trans"></div>--%>

Line 233: <telerik:RadScriptManager ID="RadScriptManager1" runat="server">

Line 234:                                </telerik:RadScriptManager>
Line 235:                                <telerik:RadAjaxManager ID="radajaxmanager1" runat="server">

Source File: d:\HSE_NIGC_TFS\HSE_NIGC\DAP.Web.HSE\DAP.Web.HSE.WebUI\Login.aspx Line: 233

Stack Trace:

[FormatException: The string was not recognized as a valid DateTime. There is an unknown word starting at index 20.]
   System.DateTimeParse.Parse(String s, DateTimeFormatInfo dtfi, DateTimeStyles styles) +3211050
   System.DateTime.Parse(String s, IFormatProvider provider) +28
   System.Windows.Forms.TypeLibraryTimeStampAttribute..ctor(String timestamp) +38
   System.Reflection.CustomAttribute._CreateCaObject(RuntimeModule pModule, IRuntimeMethodInfo pCtor, Byte** ppBlob, Byte* pEndBlob, Int32* pcNamedArgs) +0
   System.Reflection.CustomAttribute.CreateCaObject(RuntimeModule module, IRuntimeMethodInfo ctor, IntPtr& blob, IntPtr blobEnd, Int32& namedArgs) +46
   System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeModule decoratedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFilterType, Boolean mustBeInheritable, IList derivedAttributes, Boolean isDecoratedTargetSecurityTransparent) +529
   System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeAssembly assembly, RuntimeType caType) +103
   System.Reflection.RuntimeAssembly.GetCustomAttributes(Boolean inherit) +33
   System.Web.UI.AssemblyCache.GetAjaxFrameworkAssemblyAttribute(Assembly assembly) +76
   System.Web.UI.ScriptManager.get_DefaultAjaxFrameworkAssembly() +388
   System.Web.UI.ScriptManager..ctor() +26
   Telerik.Web.UI.RadScriptManager..ctor() +68
   ASP.login_aspx.__BuildControlRadScriptManager1() in d:\HSE_NIGC_TFS\HSE_NIGC\DAP.Web.HSE\DAP.Web.HSE.WebUI\Login.aspx:233
   ASP.login_aspx.__BuildControlloginPanel() in d:\HSE_NIGC_TFS\HSE_NIGC\DAP.Web.HSE\DAP.Web.HSE.WebUI\Login.aspx:231
   ASP.login_aspx.__BuildControlform1() in d:\HSE_NIGC_TFS\HSE_NIGC\DAP.Web.HSE\DAP.Web.HSE.WebUI\Login.aspx:61
   ASP.login_aspx.__BuildControlTree(login_aspx __ctrl) in d:\HSE_NIGC_TFS\HSE_NIGC\DAP.Web.HSE\DAP.Web.HSE.WebUI\Login.aspx:1
   ASP.login_aspx.FrameworkInitialize() in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\c7868279\54f6c8a3\App_Web_login.aspx.cdcab7d2.pxdsdold.0.cs:0
   System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +54
   System.Web.UI.Page.ProcessRequest() +78
   System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
   System.Web.UI.Page.ProcessRequest(HttpContext context) +49
   ASP.login_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\c7868279\54f6c8a3\App_Web_login.aspx.cdcab7d2.pxdsdold.0.cs:0
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +100
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1

Edited by admintehran on Jan 26, 2013 07:08 AM
Edited by admintehran on Jan 26, 2013 07:08 AM
Edited by admintehran on Jan 26, 2013 07:08 AM

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oned_gk

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31511 Points

6431 Posts

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 26, 2013 11:24 AM|LINK

make sure the datetome format dd/MM/yyyy or MM/dd/yyyy

Programming to simplify, dont look for hard way

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admintehran

0 Points

6 Posts

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 26, 2013 01:59 PM|LINK

oned_gk

make sure the datetome format dd/MM/yyyy or MM/dd/yyyy

the format of my development machine is M/d/yyyy. I test the two mentioned format and again face with this exception at application start up.

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oned_gk

All-Star

31511 Points

6431 Posts

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 26, 2013 02:09 PM|LINK

try use vs scriptmanager instead

Programming to simplify, dont look for hard way

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Pengzhen Son...

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8208 Points

845 Posts

Microsoft

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 28, 2013 05:58 AM|LINK

Hi,

You can try specify the "en-US" culture in the globalization section in the Web.Config file:

<globalization requestEncoding="utf-8" responseEncoding="utf-8" culture="en-US" />

For detailed information you can refer here

http://www.telerik.com/community/forums/aspnet-ajax/calendar/radscheduler-bug-string-was-not-recognized-as-a-valid-datetime.aspx

Hope it can help you.

Please mark the replies as answers if they help or unmark if not.
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Reply

admintehran

0 Points

6 Posts

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 30, 2013 05:01 AM|LINK

Pengzhen Song - MSFT

Hi,

You can try specify the "en-US" culture in the globalization section in the Web.Config file:
<globalization requestEncoding="utf-8" responseEncoding="utf-8" culture="en-US" />
For detailed information you can refer here

http://www.telerik.com/community/forums/aspnet-ajax/calendar/radscheduler-bug-string-was-not-recognized-as-a-valid-datetime.aspx

Hope it can help you.

I try this solution but it dos'nt work. I confusing by this problem and I don't know why this exceptions cause?

Reply

admintehran

0 Points

6 Posts

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Jan 30, 2013 05:03 AM|LINK

oned_gk

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

01-26-2013 03:09 PM
<div id="reference-post-content" class="reply-comment">try use vs scriptmanager instead</div>

i try using by scriptmanager this solution not worked.

Unhandled Error 'The string was not recognized as a valid DateTime.'? RSS

6 replies

admintehran

Unhandled Error 'The string was not recognized as a valid DateTime.'?

Server Error in '/' Application.

The string was not recognized as a valid DateTime. There is an unknown word starting at index 20.

oned_gk

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

admintehran

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

oned_gk

oned_gk

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Pengzhen Son...

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

admintehran

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

Pengzhen Song - MSFT

admintehran

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

oned_gk

Re: Unhandled Error 'The string was not recognized as a valid DateTime.'?

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