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How to use telerik RadScheduler

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Scheduler
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dreamland
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dreamland asked on 20 Mar 2010, 02:25 AM
Hi, i am andrew

i new programmer donet and telerik. i want make scheduler in web [asp.net] so i try use telerik scheduler.
i have database access2003 with table name appointment
id        auto number
start   date time
end    date time
sbj     memo
 and i drag rad scheduler and i connect  with my data source access mdb. i try with manual telerik but when i save my data it error

Server Error in '/WebSite1' Application.

You tried to assign the Null value to a variable that is not a Variant data type.

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.Data.OleDb.OleDbException: You tried to assign the Null value to a variable that is not a Variant data type.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[OleDbException (0x80004005): You tried to assign the Null value to a variable that is not a Variant data type.]
   Telerik.Web.UI.Scheduling.DataSourceViewSchedulerProvider.OnDataSourceOperationComplete(Int32 count, Exception e) +39
   System.Web.UI.DataSourceView.Insert(IDictionary values, DataSourceViewOperationCallback callback) +77
   Telerik.Web.UI.Scheduling.DataSourceViewSchedulerProvider.Insert(RadScheduler owner, Appointment appointmentToInsert) +178
   Telerik.Web.UI.Scheduling.AppointmentController.InsertAppointmentThroughProvider(Appointment appointment) +75
   Telerik.Web.UI.Scheduling.AppointmentController.InsertAppointment(Appointment appointment) +37
   Telerik.Web.UI.RadScheduler.ProcessPostBackCommand(SchedulerPostBackEvent postBack) +469
   Telerik.Web.UI.RadScheduler.RaisePostBackEvent(String eventArgument) +108
   Telerik.Web.UI.RadScheduler.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +39
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565

it say null value how  to get value and how to use with database mdb ?
please help me how to use scheduler, may i have get example with code  because i new in dotnet developer.

thank you

Andrew


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Peter
Telerik team
answered on 23 Mar 2010, 11:11 AM
Hi Andrew,

Luckily, we have a kb article which might help you-

Using RadScheduler with AccessDataSource 

Let me know how it goes.

Greetings,
Peter
the Telerik team

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