How To Change Connectionstring In SQLCLR Project?
Aug 3, 2006
Hi,
I have created a SQLCLR (database) using C#.. named SQLCLRtest
The Connection string is stored in SQLCLRtest.csproj file
here is code of csproj file
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<AssemblyOwner>
</AssemblyOwner>
</PropertyGroup>
<ProjectExtensions>
<VisualStudio>
<FlavorProperties GUID="{c252feb5-a946-4202-b1d4-9916a0590387}">
<DatabaseConnection Name="Data Source=DBserver;Initial Catalog=TestDB;Integrated Security=True" Provider="{91510608-8809-4020-8897-FBA057E22D54}" ConnectionString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
</FlavorProperties>
</VisualStudio>
</ProjectExtensions>
</Project>
Problem:
I have an sp which start an external process, It is working at my local machine but does not work at remote server.
FACTS:
Local machine has SQLExpress (SQL version) while remote machine has SQL Enterprise ..
SQL service is running under the System Account at both machines..
I have enabled the Sql server Service to interact with desptop, so that it can start a process in GUI mode.
I thin there is something in connectionstring which does not allow the application to connect to server with appropriate rights.
How I can chage this setting .. is it possible to write this info manually..
Please, comments
Thanks
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May 5, 2006
I can create an external text file from within the SQLCLR project, but I cannot run an external executable. Just in case you are asking, I need to do this to push data into a legacy application using a different DB format. I have found it best to simply use my old language (Clipper) for data validation, etc. - and especially since I require multiple indices to be open. So, if you could just take my word on this.
The following code:
Process newProcess = new Process();
string path = @"C:TEST.BAT";
newProcess.StartInfo.FileName = path;
newProcess.Start();
Executes without error, but does not actually run the external.
Now, I can have a DOS (Clipper) application poll a directory for text files, but I am trying to get away from all these "mini" data transformation applications. If an exception is caused in the DOS app, a remote user on the other side of the country has no idea it is broke and his data (coming from a SQL Mobile Device) never gets to our legacy database structure.
So, am I out of luck?
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Jul 25, 2006
hi,
I'm having this application using the express way to create the dategridview by having the query string builder. However, my computer recently crashed and I have no idea to change the connection string. so when I load the whole windows application, I am unable to view the information that are supposed to be in the datagridview. however, it returned an exception.
after finding out the main culprit, I realised that the database is using the old sql server's login. since it is using the old database's login, therefore it is unable to log the information into the datagrid view.
Please help! Thanks.
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Feb 7, 2007
Hi All
i am very new to SQL CLR,
I create create an sample stored Procedure and registed the assembly and execute the SP in the query window , its working fine. But my doubt was -
1) In the SQLConnection object ,its like ("context connection=true") What is the use of this string and can i change this string to like this "Data Source=SystemNameSQLExpress;Initial Catalog=SampleDB;Integrated Security=True"?
is it possible to change the connection in the SQLConnection constructor with any databse connection
2) Is there any possobility to add configuration file in SQL Server project?
Please any one help me to know ... Thanks in Advance...
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Aug 31, 2007
Hi all,
In my SQL Server Express (that is installed in my Windows XP Pro PC), SQL Server 2005 Network Configuration has Protocols for SQLEXPRESS. I tried to do "Enabling CLR Integration" in my SQL Server Express: (1) If I clicked on "Surface Area Configuration for Services and Connections", I got an error "An exception occurred in SMO while trying to manage a service, (Microsoft.SqlServer.Smo) Additional information: Failed to retrieve data for this request. (Microsoft.SqlServer.SmoEnum) The operation could not be completed. (WinMgmt). (2) If I clicked on "Surface Area Configuration for Features, I got a different error "Computer localhost does not exist on the network, or the computer cannot be configured remotely. Verify that the remote computer has the required computer has the required Windows Management Instrumentation components and then try again. (SQLSAC) Additional Information: An exception occurred in SMO while trying to manage a service. (Microsoft.SqlServer.Smo). Failed to retrieve data for this request. (Microsoft.SqlServer.SmoEnum) The operation could not be completed. (WinMgmt). Please help and tell me how I should do to get "Enabling CLR Integration" in my SQL Server Express done and how I can create SQLCLR Project in VB 2005 Express.
Thanks in advance,
Scott Chang
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Sep 19, 2007
Hi all,
In my office computer network system (LAN), my Windows XP Pro PC has SQL Server Express and VB 2005 Express installed and I was granted to have the Administrator priviledge to access SQL Server Express. I tried to create a SQLCLR project in my terminal PC.
1) I tried to set up a remote connection to SQL Server Express in the following way: SQL Server EXpress => SQL Server Surface Area Configuration. In the Surface Area Configuration for Service and Connection - local, I clicked on Remote Connection of Database Engine, SQLEXPRESS and I had a "dot" on "Local and remote connections" and "Using TCP/IP only". Then I clicked on "Apply" and "OK" buttons. Then I went to restart my database engine in SQL Server Management. When I went to check SQL Server 2005 Surface Area Configuration, I saw the arrow is pointing to "Service", not to "Remote Connections"!!!??? Is it right/normal? Please comment on this matter and tell me how I can have "Remote Connecton" on after I selected it.
2) After I restarted the database engine (I guess!!), I executed the following project code (copied from a book) in my VB 2005 Express:
//////////////--Form9.vb---/////////////////
mports System.Data.SqlClient
Imports System.Data
Public Class Form9
Dim cnn1 As New SqlConnection
Private Sub Form5_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Compute top-level project folder and use it as a prefix for
'the primary data file
Dim int1 As Integer = InStr(My.Application.Info.DirectoryPath, "bin")
Dim strPath As String = Microsoft.VisualBasic.Left(My.Application.Info.DirectoryPath, int1 - 1)
Dim pdbfph As String = strPath & "northwnd.mdf"
Dim cst As String = "Data Source=.sqlexpress;" & _
"Integrated Security=SSPI;" & _
"AttachDBFileName=" & pdbfph
cnn1.ConnectionString = cst
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Create a command to create a table
Dim cmd1 As New SqlCommand
cmd1.CommandText = "CREATE TABLE FromExcel (" & _
"FirstName nvarchar(15), " & _
"LastName nvarchar(20), " & _
"PersonID int Not Null)"
cmd1.Connection = cnn1
'Invoke the command
Try
cnn1.Open()
cmd1.ExecuteNonQuery()
MessageBox.Show("Command succeeded.", "Outcome", _
MessageBoxButtons.OK, MessageBoxIcon.Information)
Catch ex As Exception
MessageBox.Show(ex.Message)
Finally
cnn1.Close()
End Try
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
'Create a command to drop a table
Dim cmd1 As New SqlCommand
cmd1.CommandText = "DROP TABLE FromExcel"
cmd1.Connection = cnn1
'Invoke the command
Try
cnn1.Open()
cmd1.ExecuteNonQuery()
MessageBox.Show("Command succeeded.", "Outcome", _
MessageBoxButtons.OK, MessageBoxIcon.Information)
Catch ex As Exception
MessageBox.Show(ex.Message)
Finally
cnn1.Close()
End Try
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
'Declare FromExcel Data Table and RowForExcel DataRow
Dim FromExcel As New DataTable
Dim RowForExcel As DataRow
FromExcel.Columns.Add("FirstName", GetType(SqlTypes.SqlString))
FromExcel.Columns.Add("LastName", GetType(SqlTypes.SqlString))
FromExcel.Columns.Add("PersonID", GetType(SqlTypes.SqlInt32))
'Create TextFieldParser for CSV file from spreadsheet
Dim crd1 As Microsoft.VisualBasic.FileIO.TextFieldParser
Dim strPath As String = _
Microsoft.VisualBasic.Left( _
My.Application.Info.DirectoryPath, _
InStr(My.Application.Info.DirectoryPath, "bin") - 1)
crd1 = My.Computer.FileSystem.OpenTextFieldParser _
(My.Computer.FileSystem.CombinePath(strPath, "Book1.csv"))
crd1.TextFieldType = Microsoft.VisualBasic.FileIO.FieldType.Delimited
crd1.Delimiters = New String() {","}
'Loop through rows of CSV file and populate
'RowForExcel DataRow for adding to FromExcel
'Rows collection
Dim currentRow As String()
Do Until crd1.EndOfData
Try
currentRow = crd1.ReadFields()
Dim currentField As String
Dim int1 As Integer = 1
RowForExcel = FromExcel.NewRow
For Each currentField In currentRow
Select Case int1
Case 1
RowForExcel("FirstName") = currentField
Case 2
RowForExcel("LastName") = currentField
Case 3
RowForExcel("PersonID") = CInt(currentField)
End Select
int1 += 1
Next
int1 = 1
FromExcel.Rows.Add(RowForExcel)
RowForExcel = FromExcel.NewRow
Catch ex As Microsoft.VisualBasic.FileIO.MalformedLineException
MsgBox("Line " & ex.Message & _
"is not valid and will be skipped.")
End Try
Loop
'Invoke the WriteToServer method fo the sqc1 SqlBulkCopy
'object to populate FromExcel table in the database with
'the FromExcel DataTable in the project
Try
cnn1.Open()
Using sqc1 As SqlBulkCopy = New SqlBulkCopy(cnn1)
sqc1.DestinationTableName = "dbo.FromExcel"
sqc1.WriteToServer(FromExcel)
End Using
Catch ex As Exception
MessageBox.Show(ex.Message)
Finally
cnn1.Close()
End Try
'Read the FromExcel table and display results in
'a message box
Dim strQuery As String = "SELECT * " & _
"FROM dbo.FromExcel "
Dim str1 As String = ""
Dim cmd1 As New SqlCommand(strQuery, cnn1)
cnn1.Open()
Dim rdr1 As SqlDataReader
rdr1 = cmd1.ExecuteReader()
Try
While rdr1.Read()
str1 += rdr1.GetString(0) & ", " & _
rdr1.GetString(1) & ", " & _
rdr1.GetSqlInt32(2).ToString & ControlChars.CrLf
End While
Finally
rdr1.Close()
cnn1.Close()
End Try
MessageBox.Show(str1, "FromExcel")
End Sub
End Class
//////////////////////////////////////////////////////////////////////////////
I got the following error messages:
SecurityException was unhandled
Request for the permission of type 'System. Security. Permissions.FileIOPermission,mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'failed that is pointing to the code statement "Dim int1 As Integer = InStr (My.Application.Info.DirectoryPath, "bin")."
Troubleshooting tips:
Store application data in isolated storage.
When deploying an Office solution, check to make sure you have fulfilled all necessary requirments.
Use a certificate to obtain the required permission(s).
If an assembly implementing the custom security references other assemblies, add the referenced assemblies to the full trust assembly list.
Get general help for the exception.
I am a new Microsoft VS.NET Express user to do the SQL Server 2005 Express and VB 2005 Express programming by using the example of a tutorial book. Please help and tell me what is wrong in my SQLCLR sep-up and project coding and how to correct the problems.
Many Thanks in advance,
Scott Chang
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Feb 8, 2006
Hello,
On a 64bit Itanium cluster, I'm having a problem dynamically setting the ConnectionString of a TextFile Source using the "EvaluateAsExpression" = True and setting the ConnectionString using an expression from a variable. I get the error message:
-1073647612,0x,The result of the expression "@[User::vFullFilePath]" on property "ConnectionString" cannot be written to the property. The expression was evaluated, but cannot be set on the property.
This is not a problem at all on a 32bit machine. I can run the same package on 32bit and it runs fine.
The funny thing is, I'm able to dynamically change the ConnectionString of a Logfile that we're writing all of the errors to, which I believe is using a TextFile Destination connection under the covers somehow (I'm using the SSIS Logging, to a textfile).
Can anyone confirm if this is a problem in 64bit?
Thanks,
Andy
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May 29, 2008
For some reason in a Team Foundation Team Project that has multiple project types (SSRS, SSIS, WebSite, C# Business DLL...), the SSIS project makes itself the startup project to the team project. If I explicitly set another project as the startup project to the team project and then select an SSIS package in the SSIS project in the team project, the SSIS project becomes the startup project automatically.
I am using Visual Studio 2005 SP1.
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Jun 24, 2007
Hi,
I have been working on some SSIS packages for a while now and today while i was working i was trying to create a new connection and in the process there was an error and it said the BIDS has to be closed and i closed it but later when i open BIDS and try to open my project(.sln) from the file menu to work on the half done package it pops up an error which shows the path to my project location on the first line and next statement on the pop up error box says:
"Make Sure the application for the project type (.dtproj) is installed."
I tried to check some forums in which some suggested to try installing SP1 which i tried but ..i dont know why but the SP1 fails to install (i dont know if its causing problem becoz i already installed SP2 as i had some other problem before for which the cure was to install SP2).
Did anyone here face such a problem before ?
I'd really appreciate if the experts here can tell a cure for this problem.
thanks,
Ravi
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Feb 23, 2007
I have a Visual Studio 2005 solution which contains a Sql Server Integration Services (SSIS) project.
In this solution I have explicitly set a Web application project as startup project, but whenever I edit a DTS package within the SSIS project, VS automatically sets the SSIS project as startup project and the package I edit as startup object.
Needless to say, this may cause some really unwanted incidents when running the solution - thinking that you're about to run the Web application project (that was explicitly set as startup project), but instead, you run the edited package in the SSIS project.
Is there any way to avoid having the SSIS project automatically setting itself as startup project, any workaround here at all? :)
Thanks.
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May 6, 2007
Hi,
I want to update value of a custom field for a perticular project in Project Server 2007 using PSI.
I have created 5 enterprise custom fields(A,B,C,D,E) through PWA/Server Settings.
I want to search all Projects on Server. If any project is having value for custom field A then I want to update rest of the custom fields(B,C,D,E) for that perticular project.
I dont know how to do it please help.
Thanks in Advance
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Feb 3, 2007
I have a very small project written in VB.Net 2005 using the SQL Server 2005 SSiS DTSx package.
I took a SQL Server 2000 dts package and using the SQL Server 3005 legacy tools migrated it so I could still use the package withing SQL 2005 until I can build one using BI/SSIS.
Anyway,I added the reference Microsoft.SqlServer.ManagedDTS so I could then use the Microsoft.SqlServer.Dts.Runtime so I can execute the commands:
Dim oApp As New Application
Dim oPkg As New Package
oPkg = oApp.LoadPackage(g_DTSx_Directory & "AOC copy Generic1 CSV to AOC_verify_file_1.dtsx", Nothing)
Dim oResults As DTSExecResult
oResults = oPkg.Execute
Ok. That works fine. Executes without a hitch. So now I try and create a setup project for this and I use the setup wizard.
During the creation of the setup project I get a message that states:
The following files may have dependencies that cannot be determined automatically. Please confirm that all dependencies have been added to the project.
C:windowssystem32msxml6.dll
OK. The dll is part of the reference I mentioned above and I have no idea what other dependencies it may have.
How do I find this out?
Has anyone else created a project like this and experenced the same?
I am on a clean build running WinXP Pro with SP2 - VS2005 with SP1 and the SQL Server 2005 tools.
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Apr 20, 2015
I've got an SSIS solution file with project deployment model in VS 2013 and would like to deploy that to SSISDB on different environments.All these days I followed the regular way to create a project in SSISDB and deploy it to that. Now want to find out if i can automate this process and so got some questionsÂ
1. Can we automate the process of creating a project on SSISDB based on our SSIS project name? This will be like when we do a deployment it should check if the project exists or not on SSISDB based on our SSIS project name, if the project exists we just deploy the packages in the project and if the project does not exists in SSISDB it will create that project and deploy the packages.
2. Can we also automate the process of creating environments? In traditional way we manually create the environment variables under environment tab of SSISDB, but can we make that also as part of deployment? Like when we are releasing to Dev server we look if that particular Dev variable exists on that server, if it exists we just update the existing stuff and if it does not exists we just create it.
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Mar 31, 2008
I have visual studio 2005 and sql server 2005 with integration service installed on my machine. Couple of days ago, I installed visual studio 2008 professional. When I go to create SSIS project I dont see it in visual studio 2008. What do I have to do to make it appear in visual studio 2008 so that I can create SSIS projects.
Thanks.
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Jul 23, 2007
I fail to use project professional 2003 to access to the project server 2003 using MSDE 2000 in local area network, following message was shown,
Connection failed:
SQLState: '01000' SQL Server Error 1326 [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect())
Connection failed:
SQLState '08001'
SQL Server Error: 17
[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied.
I have seen these pages with similiar cases but can't help.
http://support.microsoft.com/kb/818047/
http://support.microsoft.com/kb/837653/en-us
Can anyone help me?? Thanks a lot!
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Apr 12, 2006
What different are there between connectionString (Part 1) and connectionString (Part 2) in web.config
The CCWW is my PC's name, normally I can connect to the database ASPNETDB.MDF correctly either Part 1 or Part 2 in a web page,After I open Database Explorer panel and browse ASPNETDB.MDF, I can't connect to database using Part 2 when I open a webpage in Microsoft Visual Web Developer 2005 Express Edition,but I can correctly open a webpage using Part 1 after I open Database Explorer panel.
What different are there between connectionString (Part 1) and connectionString (Part 2) in web.config?
I guess while I use Part 1 to connect, maybe it will be cancel exclusive method of the database ASPNETDB.MDF first, but when I connect to database using Part 2, maybe two programms both Part 2 and Database Explorer visit ASPNETDB.MDF at the same time!
--------------------------------------Part 1------------------------------------------------------------------------<add name="MyConnect" connectionString="Data Source=.SQLExpress;Integrated Security=True;User Instance=True;AttachDBFilename=|DataDirectory|ASPNETDB.MDF" providerName="System.Data.SqlClient" /> --------------------------------------Part 1------------------------------------------------------------------------
--------------------------------------Part 2------------------------------------------------------------------------<add name="MyConnect" connectionString="Data Source=CCWWSQLEXPRESS;Initial Catalog=ASPNETDB.MDF;Integrated Security=True;User Instance=True;AttachDBFilename=|DataDirectory|ASPNETDB.MDF" providerName="System.Data.SqlClient" />--------------------------------------Part 2------------------------------------------------------------------------
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Mar 13, 2008
Hi all How can create trigger in sql server project in VB.NET 2.0 ?thanks in advance
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Jan 12, 2007
Howdy again...
Do I need to re-create a new package from scratch after doing what I did?
It seems I've made what is probably a typical newbie mistake: I used COPY/PASTE
to
consolidate containers from two packages into a single new project/package.
Now my new package generates multiple duplicate errors (23 of each...) whenever I open it:
Warning loading LoadBillingData.dtsx: Process configuration failed to set the
destination at the package path of "PackageData Flow Task to Load
Profiles, Versions, and
Transactions.EventHandlers[OnError].Variables[System::Propagate].Properties[Namespace]".
This occurs when attempting to set the destination property or variable fails.
Check the destination property or variable.
Error loading LoadBillingData.dtsx: Changing the name of a variable failed
because it is a system variable. System variables are read-only.
What happened:
new guy (goes without saying...) creates:
01. PROJECT A
02. add PACKAGE
A to PROJECT A
03. add some
containers, figger out what the heck is going on, get containers working
04. create
PROJECT B
05. create
PACKAGE B
06. add
containers, they work fine
07. whoops!
Want to consolidate the packages. Unix guy naively expects Bill has made MS
Visual Studio like all windows products (of which newbie is aware€¦):
08. create
PROJECT C
09. create
PACKAGE C
10. <ctrl
a> PACKAGE A
11. <crtl
c> PACKAGE A
12. <ctrl
v> PACKAGE C
13. <ctrl
a> PACKAGE B
14. <crtl
c> PACKAGE B
15. <ctrl
v> PACKAGE C
16. copy Flat
File Connection Managers
17. copy
Database Connection Manager
18. drag the
arrows around, fix the flat file sources, renew the column maps, etc
19. whoops! the
connections all look like a registry number! Fix the OLE DB Destinations,
Execute SQL Task containers by selecting the DB Connection Manager copied from
PROJECT A
20. successfully
execute PROJECT C/PACKAGE C
21. save all
22. exit
23. start MS
Visual Studio
24. Open
Solution
25. ERRORS!!!
Is this fixable?
Thanks,
Bill
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Jan 17, 2008
Hello,
I've created a Report Model Project that can be used by Report Builder to generate ad-hoc reports. I'm trying to create a connection string in my Report Server Project that points to the Report Model Project data source view.
All I can do is create a regular datasource, which bypasses the metadata contained in the Data Source View.
Basically I want my Report Server Project and my Report Builder reports to leverage the same metadata. Is this possible? If so how do I get the connection string?
Thanks!!
-Matt
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Aug 9, 2006
Is anyone here aware of any explicit/definite differences between running sqlclr on 32-bit and 64-bit.
Note: These must be documented, well defined differences.
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May 9, 2008
I'm having a problem executing a SQLCLR function: this function
calls a web services that processes a query to a data base and
returns a table to be used in a stored procedure. In a low
concurrency scenario (not to many clients connected), the function
returns correctly, however when the concurrency level is increased
we have a SQLCLR command execution problem (all the SQLCLR
processes hangs), making the server unavailable to all web services
processes.
At first we thought the problem could be the SQLCLR, since the web
services is 100% available, all the time. We monitored to come to
this conclusion. Do you know of some SQLCLR bug?
Could someone help me with this? I'm in a difficult situation with
my client, considering that we defended the MS SQLServer technology
and now it's not working properly.
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May 15, 2006
I'll keep trying new threads here... sooner or later, I'm sure an expert Microsoft CLR employee will gladly lend a helping hand!
The pieces:
1. SQL 2005, MS Windows Server 2003, Standard Edition, SP 1
2. .NET 2005/C#
3. Instance of SQL 2005 running locally.
Trigger on local SQL2005 DB table INSERT calls 2 CLR Functions:
1. Retrieve data from SQL2005 DB table and populate local DBF through OLEDB
2. Call external 16-bit application (written in Clipper) that iterates through local DBF records (added from step 1 above) and populates DBF on domain resource.
Step 2 detail:
External 16-bit application is called by CreateProcessAsUser after impersonating token.
THIS IS SUCCESSFUL - IF: I populate SQL2005 DB table using TSQL insert statement. The trigger executes, Step 1 and Step 2 execute perfectly!
THIS IS UNSUCCESSFUL - IF: The SQL2005 DB table is populated by synchronizing SQL Mobile Server database from a SQL Mobile Edition 2005 PDA emulation. The trigger executes. Step 1 executes perfectly. Step 2 executes without exceptions. HOWEVER, the 16-bit application does not execute! Remember, no exceptions. In fact, the result variable returns true from function below:
result = ProcessUtility.CreateProcessAsUser(
hDupedToken,
null,
@"C:MobileDBMobile.exe",
ref sa, ref sa,
false, 0, IntPtr.Zero,
@"C:MobileDB", ref si, ref pi
);
Also, if I Right-click on the Step 2 function in the Server Explorer and click "Execute", it works perfectly. Domain DBF is updated successfully.
So, in short CLR "CreateProcessAsUser" is not doing it's job when the trigger is fired after SQL 2005 DB is populated via replication/sychronization. I would appreciate a response... Thx!
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Jul 1, 2006
Hi All,I've been struggling with this for hours...Could someone please advise me on how to convert my current File based SQL Server Express website to a Server based SQL Express one.Particularly interested in what I need to do in the SQL Express management tool, changes I need to make the projecvt itself and changes needed to get IIS to understand things have been changed.Thanks,Martin.
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Jan 31, 2006
Hi,
My .NET SQL UDF needs do very complex computation on every call regardless on user input. I would be very happy if I could cache this computed data somewhere in SQL Server memory. And then I should not need to recompute this complex information on every UDF call. Is it possible to cache something inside SQL Server from CLR ?
Thanks.
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Apr 8, 2008
I'm personally in favor of using the SQL CLR where appropriate, although I'm wondering what the negative consequences of enabling SQL CLR might be? Its disabled by default within SQL Server 2005 and most likely 2008, so what was the reason behind this ... beyond the fear of the DBA enabling something he might not himself fully understand.
Thanks,
Doug Holland
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May 11, 2006
By using impersonation I am able to push data to network path / old fashioned DBF's. Of course, I must use unsafe. I am unable, however to successfully run a "cmd.exe" process(), even if I populate the Username, Domain and password (with securestring). It authenticates correctly (checked by giving wrong password or bad username). But when it runs (even just a "cmd.exe"), I get an access is denied error...
StreamWriter sw = File.CreateText("C:\Error.txt");
WindowsIdentity clientId = null;
WindowsImpersonationContext impersonatedUser = null;
clientId = SqlContext.WindowsIdentity;
impersonatedUser = clientId.Impersonate();
System.Security.SecureString password = new System.Security.SecureString();
foreach (char c in "secret")
password.AppendChar(c);
Process p = new Process();
ProcessStartInfo si = new ProcessStartInfo("cmd.exe");
si.UserName = "MyName";
si.Password = password;
si.Domain = "MySecretDomain";
si.UseShellExecute = false;
try
{
p.StartInfo = si;
p.Start();
}
catch (Exception ex)
{
//handle the exception here (This exception handler will not handle the exception, but I get a
//Window popup (While executing my CLR!!!)
}
finally
{
sw.Close();
}
The message popup says: The application failed to initialize poperly (0xc0000142). Click on OK to terminate the application. I'm kind of at a loss...
I'm using a Windows 2003 server box with the latest SQL Server 2005, .NET 2.0/2005. Let me know if you need anything else.
Oh, just FYI - I am moving replicated data from SQL2005 server to a legacy app using DBF (FoxPro driver). I really need an external DOS app to process some data for the DOS application (Clipper).
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Jan 4, 2006
Running SQL Dev Edition on Win2K3 Enterprise Edition. I get the following error.
Msg 6522, Level 16, State 2, Line 2
A .NET Framework error occurred during execution of user defined routine or aggregate 'AddressCorrect':
System.DllNotFoundException: Unable to load DLL 'D:CorrectA.dll': Not enough storage is available to process
this command. (Exception from HRESULT: 0x80070008)
System.DllNotFoundException:
at UserDefinedFunctions.CorrectA(String query, String sentlen, StringBuilder errcode, StringBuilder FirmName, StringBuilder urbanization, StringBuilder Dline1, StringBuilder Dline2, StringBuilder LastLine, StringBuilder Stringaddress, StringBuilder DPC, StringBuilder Checkdigit, StringBuilder cityname, StringBuilder stcode, StringBuilder zip, StringBuilder addon, StringBuilder croute, StringBuilder LACS, StringBuilder LOTsequence, StringBuilder LOTcode, StringBuilder PMB, StringBuilder results, StringBuilder strnum, StringBuilder secname, StringBuilder secnum, StringBuilder countyname, StringBuilder countynum)
at UserDefinedFunctions.AddressCorrect(String inputAddress)
Box has 2GB Ram, with no other processes runing, cant understand why it says out of memory.
Appreciate any insights.
Thanks,
Saptagiri
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Oct 4, 2007
I am searching for a way of using SQLCLR to do Bulk Insert/Copy within SQL Server 2005.
I am not permit to use SQL command BULK INSERT with any of text based file csv, or xml etc.
I did tried to use SqlBulkCopy within SQLCLR but failed, the context connection was not allowed, I did also use normal connection string with sa & pwd but no luck.
I understand that I can move bulk insert to a service such as windows, web or WCF but it is not on the card at present.
Is there a way of doing this within CLR, size of bulk is fair about 2000+ rows.
If you have solution, sample or link would be appriciated.
Cheers
Punprom Kasemsant.
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Aug 27, 2007
Hi,
I have an SQLCLR assembly which is required to connect to a remote WCF service. In order to do this in a host such as IIS you would need to store all your WCF configuration data (endpoints, types etc) in the Web.config or App.config (in a windows forms app). This begs the question: Where do you store configuration data for SQLCLR assemblies?
The System.Configuration assembly is available in the SQLCLR, but this assumes a Web or App config files exists? Does SQL have its own config file that you can keep your settings in which is called when the assembly is running from within the SQL process?
If this is not possible, should I rather be storing configuration data in the database itself?
This particular example relates to WCF configuration but is relevant for assemblies using Enterprise Library which is also config driven.
Any help would be appreciated.
Chris
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Sep 10, 2006
Just wondering which scenarios is suitable to use SQLCLR. Any kind of data access is not recommended I guess. Only things that cannot be easily done in TSQL should be done in SQLCLR but why? Can't those things be done in app layer itself? Scenarios recommended for SQL CLR:
- External data access like filesystem, registry etc
- Complex calculation
- Recursion without data access (this can be implemented with CTE for data access)
If data access with SQL CLR is not recommended why should CLR should be even used and logic reside in database layer.. it makes no sense to me. Any thoughts??
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Oct 5, 2006
Is there a limit to the number of connections that can be made to the SQLCLR? If so, what is that limit and is it adjustable?
Thanks!
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May 11, 2006
I have just begun to delve into the SQLCLR objects in SQL Server 2005. I have created a simple VB function as a SQLFunction. Here's the code:
Imports System
Imports Microsoft.SqlServer.Server
Partial Public Class UserDefinedFunctions
<Microsoft.SqlServer.Server.SqlFunction()> _
Public Shared Function FileDate(ByVal FilePath As String) As Date
Return FileDateTime(FilePath)
End Function
End Class
The function is run with this T-SQL:
declare @FileDate datetime
select @FileDate = dbo.FileDate('C:setup.bat)
select @FileDate
This works fine, but I had to set the Permission Level of the Visual Studio project to "Unsafe" rather than "External" in order to avoid the following error message:
A .NET Framework error occurred during execution of user defined routine or aggregate 'FileDate':
System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Is there any way to avoid having to set the permission level to "Unsafe"? If not, what does "unsafe" mean in terms of overall system security? Is it acceptable to use on an internal LAN?
Thanks,
Ron
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