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Scripts in PDF courseware not working correctly...?

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Documentation and Tutorials
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R2
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R2 asked on 09 Jan 2009, 04:04 PM

Hi,

I posted several threads in various Telerik AJAX forums and have not had replies to all.  I will try posting here since I'm using the courseware and encountering problems doing the lessons.  Hopefully, I'm in the right place now :)

  1. Unable to see the Tool tips in the column header of the RadGrid
    PDF pg 459

        Protected Sub RadGrid1_ItemCreated(ByVal sender As Object, ByVal e As GridItemEventArgs)     
            'Check for GridHeaderItem if you wish tooltips only for the header cells        
            If TypeOf e.Item Is GridHeaderItem Then     
                Dim headerItem As GridHeaderItem = TryCast(e.Item, GridHeaderItem)     
                headerItem("CreditRating").ToolTip = "CreditRating"    
                headerItem("PreferredVendorStatus").ToolTip = "PreferredVendorStatus"    
                headerItem("ActiveFlag").ToolTip = "ActiveFlag"    
            End If     
        End Sub  
     
  2. Unable to drag and drop rows within a RadGrid
    PDF pg. 475

        Protected Sub RadGrid1_RowDrop(ByVal sender As Object, ByVal e As Telerik.Web.UI.GridDragDropEventArgs)     
            Dim item As GridDataItem = TryCast(e.DraggedItems(0), GridDataItem)     
            RadAjaxManager1.Alert("Dropped VendorID: " + item.GetDataKeyValue("VendorID"))     
        End Sub 
  3. Unable to delete records in a RadGrid
    PDF pg. 472

    [T-SQL]     
    DELETE FROM Purchasing.[Vendor] WHERE [VendorID] = @VendorID  

    Javascript error:

    Line: 7  
    Char: 62099  
    Error: Sys.WebForms.PageReuestManagerServerErrorException: The transaction ended in the trigger.  The batch has been aborted.  Vendors cannot be deleted.  They can only be marked as not active  
     
  4. Item insert code not working
    PDF pg. 477

        Protected Sub RadGrid1_ItemInserted(ByVal source As Object, ByVal e As GridInsertedEventArgs)     
            If e.Exception <> Nothing Then     
                e.ExceptionHandled = True    
                e.KeepInInsertMode = True    
        
                DisplayMessage("Product cannot be inserted. Reason: " + e.Exception.Message)     
            Else     
                DisplayMessage("Product inserted")     
            End If     
        End Sub  

 

The compilation error I get using the code in #4 is:
Compiler Error Message: BC30452: Operator '<>' is not defined for types 'System.Exception' and 'System.Exception'.

Also, within the code, there are squiggly lines under "DisplayMessage".  The caption is "Name 'DisplayMessage' is not declared".  I understand how to declare a variable, but what should I declare it as?


Thanks very much for all help,
r2

4 Answers, 1 is accepted

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Ivo
Telerik team
answered on 19 Jan 2009, 03:49 PM
Hello,

We have already replied in the other threads, but just to mention here that we will be addressing your reports in the next update of the courseware.

Thank you for the feedback.

Kind regards,
Ivo
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.
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Kevin
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Rank 2
answered on 04 Mar 2009, 07:47 PM
When is the next release of the courseware?  The scripts for my ASP.NET Membership Database Configuration did not work properly - and when I get to page 178 to test the "admin / @password" login, I get:

 

Server Error in '/ActiveSkillUI' Application.

Cannot open database "ActiveSkill" requested by the login. The login failed.
Login failed for user 'CAMPBELL-Z4ELGN\ASPNET'.

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.SqlClient.SqlException: Cannot open database "ActiveSkill" requested by the login. The login failed.
Login failed for user 'CAMPBELL-Z4ELGN\ASPNET'.

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: 

[SqlException (0x80131904): Cannot open database "ActiveSkill" requested by the login. The login failed.
Login failed for user 'CAMPBELL-Z4ELGN\ASPNET'.]
   System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +4846887
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +194
   System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2392
   System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +35
   System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +144
   System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +342
   System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +221
   System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +189
   System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +185
   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +31
   System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +433
   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +499
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +65
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
   System.Data.SqlClient.SqlConnection.Open() +122
   System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +87
   System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +221
   System.Web.Security.SqlMembershipProvider.GetPasswordWithFormat(String username, Boolean updateLastLoginActivityDate, Int32& status, String& password, Int32& passwordFormat, String& passwordSalt, Int32& failedPasswordAttemptCount, Int32& failedPasswordAnswerAttemptCount, Boolean& isApproved, DateTime& lastLoginDate, DateTime& lastActivityDate) +815
   System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved, String& salt, Int32& passwordFormat) +105
   System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved) +42
   System.Web.Security.SqlMembershipProvider.ValidateUser(String username, String password) +78
   System.Web.UI.WebControls.Login.AuthenticateUsingMembershipProvider(AuthenticateEventArgs e) +60
   System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e) +119
   System.Web.UI.WebControls.Login.AttemptLogin() +115
   System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +101
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37
   System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +118
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +166
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
 
0
Kevin
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Rank 2
answered on 09 Mar 2009, 06:20 PM
Why is this now set to closed?
0
Atanas Korchev
Telerik team
answered on 20 Mar 2009, 08:20 AM
Hello Kevin,

This is a generic error which occurs when your connection string is configured to use windows authentication but the ASPNET user is not a valid SQL login. Please check this forum post for additional info. Additionally you can check this KB article from microsoft and this blog post.

Regards,
Albert
the Telerik team


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R2
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Ivo
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Kevin
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Atanas Korchev
Telerik team
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