[MS Visual Database Tools] - Invalid Class String. Error

Aug 1, 2005

We recently upgraded our SQL Server 2000 to SP4 and are now getting the following error whenever we try to open up Site Diagrams.

An unexpected error happened during this operation. [MS Visual Database Tools] - Invalid class string.

This is very frustrating since I can't easily edit my database relationships or see my ER diagram.

Any ideas how to fix this?

Thanks

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Ms Design Tools Invalid Class String - Error

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ms design tools invalid class string - error


i use windows XP WITH SP-2 , SQL SERVER 2000 WITH SERVICE PACK 4, VISUAL STUDIO 6 WITH SP5, .NET 2.0,
VS2005.

I AM CURRENTLY GETTING THE ERROR WHEN I USE ENTERPRISE MANAGER IN SQL SERVER 2000.
WHEN I SELECT A PARTICULAR DATABASE AND A TABLE, AND WHEN I SELECT THE DATABASE DIAGRAM AND TRY TO CREATE A NEW DATABASE DIAGRAM, I GET THE ABOVE ERROR

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sqldts.hlp 700

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Error Source: ODSOLE Extended Procedure
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VB.Net
Imports System
Imports System.IO
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Imports Microsoft.SqlServer.Server
Imports Microsoft.VisualBasic
Imports System.Diagnostics

Public Class PositivePay

Public Shared Sub LogToTextFile(ByVal LogName As String, ByVal newMessage As String)
' impersonate the calling user
Dim newContext As System.Security.Principal.WindowsImpersonationContext
newContext = SqlContext.WindowsIdentity.Impersonate()
Try
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LogIt(newMessage, w)
w.Close()
Catch Ex As Exception

Finally
newContext.Undo()
End Try
End Sub
End Class
===============================================================

STORED PROCEDURE
Create PROCEDURE [dbo].[PPGenerateFile]
AS

BEGIN
Declare @retVal INT
Declare @comHandler INT
declare @errorSource nvarchar(500)
declare @errorDescription nvarchar(500)
declare @retString nvarchar(100)

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IF(@retVal <> 0)
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SELECT [error source] = @errorsource, [Description] = @errordescription
Return
END

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BEGIN
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END
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Hi, Sorry to be cross-posting, but I'm not getting much response to this...

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=807314&SiteID=1

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I'm having a problem creating a Database diagram in SQL Server Management Express.

After Asking me to install the tools needed to create the diagram (and I say yes), when i try to create the diagram it throws up an error message:

"Invalid class string"

(MS Visual Database tools)

-----------------------------
Program Location:
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at Microsoft.SqlServer.Management.UI.VSIntegration.Editors.VirtualProject.Microsoft.SqlServer.Management.UI.VSIntegration.Editors.ISqlVirtualProject.CreateDesigner(Urn origUrn, DocumentType editorType, DocumentOptions aeOptions, IManagedConnection con)
at Microsoft.SqlServer.Management.UI.VSIntegration.Editors.ISqlVirtualProject.CreateDesigner(Urn origUrn, DocumentType editorType, DocumentOptions aeOptions, IManagedConnection con)
at Microsoft.SqlServer.Management.UI.VSIntegration.Editors.VsDocumentMenuItem.CreateDesignerWindow(IManagedConnection mc, DocumentOptions options)

---------

Microsoft SQL Server Management Studio Express 9.00.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 4.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001



I have tried uninstalling/reinstalling various components, and then all visual studio express components. Going back to a restore point and re-installing everything. No joy, I keep getting the same error message. I am using Vista HP, SP1.

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Error Detail Records:

Error: -2147221504 (80040000); Provider Error: 0 (0)

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Hi,

I am using ASPOSE License(3rd party licensing tool).

Getting Error when using encrypted License file (*.lic) in my Application .

Error is .



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What does it means ?????



But Demo License file *.lic is working fine.



Please provide solutions.



Reply is highly appreciated.



Rishi



Error is
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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: Invalid character in a Base-64 string.

Source Error:





Line 59:
Line 60: //license = new Licensing("Ghezt4vbwif7r9cf7ra2ttbKzv76+v7GAA==", licenceFile);
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Line 62:
Line 63:
Source File: c:Documents and SettingsAdministratorMy DocumentsVisual Studio 2005WebSitesTestLicenseApp_CodeDemo.cs Line: 61

Stack Trace:





[FormatException: Invalid character in a Base-64 string.]
System.Convert.FromBase64String(String s) +0
Aspose.License.Licensing.M0(String key, String encryptedString) +627
Aspose.License.Licensing.A0() +753
Aspose.License.Licensing..ctor(String key, String licenseFile) +72
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System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +31
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-- Error Invalid use of side-effecting or time-dependent operator in 'EXECUTE STRING' within a function

EXECUTE(@sql)

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END

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I tried a few things that were suggested in posts, but nothing has worked. I tried the cmd line starting SSMS from progra~2 instead of (x86). I tried renaming the directory with no parentheses. This is the second time we've tried to get it to work in 2 years. We'll probably give up again and stay with x86, um, because it works without all these silly mickey-mouse tricks. Most of our relational DBs are ORACLE so this is a showstopper for us as far as trying to go x64.

Sorry for the attitude, but I'm really frustrated!

If anyone can tell me a way to resolve this (or that it can't be resolved), I'd really appreciate it!

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