😀 Hi all,

I could fix my permission problem. I add the following code to the assembly:

Imports System.Security.Permissions

Public Class DataDrivenStyleLibrary

Public Shared Function dbStyle(ByVal inputStyle As String, ByVal InputStyleType As String) As String

Dim permission As SqlClientPermission = New SqlClientPermission(PermissionState.Unrestricted)

permission.Assert()

sStyle = ""

I found the trick here http://softwareexpertsolutions.blogspot.com/2007/06/creating-and-deploying-reporting.html

I added in rssrvpolicy.config my code group like:

<CodeGroup class="UnionCodeGroup"

version="1"

PermissionSetName="FullTrust"

Name="DynamicStyleLibrary"

Description="Dynamic Reports">

<IMembershipCondition

class="UrlMembershipCondition"

version="1"

Url="C:\Program Files\Microsoft SQL Server\MSSQL.X\Reporting Services\ReportServer\bin\DynamicStyleLibrary.dll"/>

</CodeGroup>

I restarted IIS & RS .

I hope this will solve the other issue as well.

Many thanks for this great blog.

Regards,

René