How To Separate The Encryption Key Opening Code From SPs
Nov 1, 2006
We have several typical ASP.NET web applications with SQL 2005 databases. We implemented symmetric key encryption for some tables/fields. Though it's pretty simple to open the keys in the SQL/SPs code, I'd rather abstract it out, so when a particular identity opens a connection, the key is opened too. Since ASP.NET applications open and close connection frequently using one identity (e.g. typically use a SqlDataAdapter to get data out and update with DataTable objects), I'm wondering if there's any event or trigger I can put the key opening statement in. The goal is for a query or SP to be able to encrypt/decrypt without referencing the open key statement. I have seen people asking similar questions in different ways here but have not seen a concrete answer, though many indicated you can do it, so I'm asking the "how" now.
Thanks in advance for any suggestions.
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Oct 12, 2007
I have created an .sdf database on my Desktop - and am able to open and close it just fine from my application program.
Whenever I try to:
Open it with the same program but installed on a different PC,
or:
Open it from a program running as a service on the development PC, I get the error
"The operating system does not support the Encryption Mode provided."
The working above is from the Version 3.5 Beta, but the same problem occurs with Version 3.1.
The Error code in Hex is 80004005
I can't find any reference to fixing this error - any ideas?
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Nov 26, 2003
Hello,
We have released a new tool called SQL Shield which overrides the native SQL Server encryption for stored procedures, views and triggers. As a result, they cannot be decrypted with all existing decryptors. You probably know that "WITH ENCRYPTION" tag does not help too much against freely available cracking tools.
We provide a free time unlimited version. Versions for 7 and 2000 are available.
www.activecrypt.com (http://www.activecrypt.com)
Have a nice day !
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Nov 3, 2015
How to encrypt the java application code using the 'with encryption' clause from sql server stored procedure or function.
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Feb 15, 2012
I am trying to add 2 separate columns from separate tables i.e column1 should be added to column 2 when inserted and I want to use a trigger but i don't know the syntax to use...
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Feb 10, 2007
How can i format my query so that each piece of data appears on a new separate line? Is there a command for a new line feed? does not work.
thanks.
For example:
a: data
b: data
c: data
a: data
b: data
c: data
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Oct 7, 2015
I have created two user defined functions for encryption and decryption using passphrase mechanism. When I call encryption function, each time I am getting the different values for the same input. While I searching a particular value, it takes long time to retrieve due to calling decryption function for each row.
best way to encrypt and decrypt using user defined functions.Below is the query which is taking long time.
SELECT ID FROM table WITH (NOLOCK)
WHERE dbo.DecodeFunction(column) = 'value'
When I try to use symetric or asymetric encryption, I am not able to put "OPEN SYMETRIC KEY" code in a function. So, I am using PassPhrase mechanism.
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Jul 27, 2006
Hi all--I'm trying to convert a function which I inherited from a SQL Server 2000 DTS package to something usable in an SSIS package in SQL Server 2005. Given the original code here:
Function Main()
on error resume next
dim cn, i, rs, sSQL
Set cn = CreateObject("ADODB.Connection")
cn.Open "Provider=sqloledb;Server=<server_name>;Database=<db_name>;User ID=<sysadmin_user>;Password=<password>"
set rs = CreateObject("ADODB.Recordset")
set rs = DTSGlobalVariables("SQLstring").value
for i = 1 to rs.RecordCount
sSQL = rs.Fields(0).value
cn.Execute sSQL, , 128 'adExecuteNoRecords option for faster execution
rs.MoveNext
Next
Main = DTSTaskExecResult_Success
End Function
This code was originally programmed in the SQL Server ActiveX Task type in a DTS package designed to take an open-ended number of SQL statements generated by another task as input, then execute each SQL statement sequentially. Upon this code's success, move on to the next step. (Of course, there was no additional documentation with this code. :-)
Based on other postings, I attempted to push this code into a Visual Studio BI 2005 Script Task with the following change:
public Sub Main()
...
Dts.TaskResult = Dts.Results.Success
End Class
I get the following error when I attempt to compile this:
Error 30209: Option Strict On requires all variable declarations to have an 'As' clause.
I am new to Visual Basic, so I'm on a learning curve here. From what I know of this script:
- The variables here violate the new Option Strict On requirement in VS 2005 to declare what type of object your variable is supposed to use.
- I need to explicitly declare each object, unless I turn off the Option Strict On (which didn't seem recommended, based on what I read).
Given this statement:
dim cn, i, rs, sSQL
I'm looking at "i" as type Integer; rs and sSQL are open-ended arrays, but can't quite figure out how to read the code here:
Set cn = CreateObject("ADODB.Connection")
cn.Open "Provider=sqloledb;Server=<server_name>;Database=<db_name>;User ID=<sysadmin_user>;Password=<password>"
set rs = CreateObject("ADODB.Recordset")
This code seems to create an instance of a COM component, then pass provider information and create the recordset being passed in by the previous task, but am not sure whether this syntax is correct for VS 2005 or what data type declaration to make here. Any ideas/help on how to rewrite this code would be greatly appreciated!
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Mar 28, 2007
Dear Friends,
I am having 2 Tables.
Table 1: AddressBook
Fields --> User Name, Address, CountryCode
Table 2: Country
Fields --> Country Code, Country Name
Step 1 : I have created a Cube with these two tables using SSAS.
Step 2 : I have created a report in SSRS showing Address list.
The Column in the report are User Name, Address, Country Name
But I have no idea, how to convert this Country Code to Country name.
I am generating the report using the Layout tab. ( Data | Layout | Preview ) Report1.rdl [Design]
Anyone help me to solve this issue. Because, in our project most of the transaction tables have Code and Code description in master table. I need to convert all code into corresponding description in all my reports.
Thanks in advance.
Regards
Ramakrishnan
Singapore
28 March 2007
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Feb 24, 2008
Hello,
I'm using ASP.Net to update a table which include a lot of fields may be around 30 fields, I used stored procedure to update these fields. Unfortunatily I had to use a FormView to handle some TextBoxes and RadioButtonLists which are about 30 web controls.
I 've built and tested my stored procedure, and it worked successfully thru the SQL Builder.The problem I faced that I have to define the variable in the stored procedure and define it again the code behind againALTER PROCEDURE dbo.UpdateItems
(
@eName nvarchar, @ePRN nvarchar, @cID nvarchar, @eCC nvarchar,@sDate nvarchar,@eLOC nvarchar, @eTEL nvarchar, @ePhone nvarchar,
@eMobile nvarchar, @q1 bit, @inMDDmn nvarchar, @inMDDyr nvarchar, @inMDDRetIns nvarchar,
@outMDDmn nvarchar, @outMDDyr nvarchar, @outMDDRetIns nvarchar, @insNo nvarchar,@q2 bit, @qper2 nvarchar, @qplc2 nvarchar, @q3 bit, @qper3 nvarchar, @qplc3 nvarchar,
@q4 bit, @qper4 nvarchar, @pic1 nvarchar, @pic2 nvarchar, @pic3 nvarchar, @esigdt nvarchar, @CCHName nvarchar, @CCHTitle nvarchar, @CCHsigdt nvarchar, @username nvarchar,
@levent nvarchar, @eventdate nvarchar, @eventtime nvarchar
)
AS
UPDATE iTrnsSET eName = @eName, cID = @cID, eCC = @eCC, sDate = @sDate, eLOC = @eLOC, eTel = @eTEL, ePhone = @ePhone, eMobile = @eMobile,
q1 = @q1, inMDDmn = @inMDDmn, inMDDyr = @inMDDyr, inMDDRetIns = @inMDDRetIns, outMDDmn = @outMDDmn,
outMDDyr = @outMDDyr, outMDDRetIns = @outMDDRetIns, insNo = @insNo, q2 = @q2, qper2 = @qper2, qplc2 = @qplc2, q3 = @q3, qper3 = @qper3,
qplc3 = @qplc3, q4 = @q4, qper4 = @qper4, pic1 = @pic1, pic2 = @pic2, pic3 = @pic3, esigdt = @esigdt, CCHName = @CCHName,
CCHTitle = @CCHTitle, CCHsigdt = @CCHsigdt, username = @username, levent = @levent, eventdate = @eventdate, eventtime = @eventtime
WHERE (ePRN = @ePRN)
and the code behind which i have to write will be something like thiscmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@eName", ((TextBox)FormView1.FindControl("TextBox1")).Text);cmd.Parameters.AddWithValue("@ePRN", ((TextBox)FormView1.FindControl("TextBox2")).Text);
cmd.Parameters.AddWithValue("@cID", ((TextBox)FormView1.FindControl("TextBox3")).Text);cmd.Parameters.AddWithValue("@eCC", ((TextBox)FormView1.FindControl("TextBox4")).Text);
((TextBox)FormView1.FindControl("TextBox7")).Text = ((TextBox)FormView1.FindControl("TextBox7")).Text + ((TextBox)FormView1.FindControl("TextBox6")).Text + ((TextBox)FormView1.FindControl("TextBox5")).Text;cmd.Parameters.AddWithValue("@sDate", ((TextBox)FormView1.FindControl("TextBox7")).Text);
cmd.Parameters.AddWithValue("@eLOC", ((TextBox)FormView1.FindControl("TextBox8")).Text);cmd.Parameters.AddWithValue("@eTel", ((TextBox)FormView1.FindControl("TextBox9")).Text);
cmd.Parameters.AddWithValue("@ePhone", ((TextBox)FormView1.FindControl("TextBox10")).Text);
cmd.Parameters.AddWithValue("@eMobile", ((TextBox)FormView1.FindControl("TextBox11")).Text);
So is there any way to do it better than this way ??
Thank you
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Oct 16, 2007
Hi all,
Could someone tell me if custom code function can capture the event caused by a user? For example, onclick event on the rendered report?
Also, can custom code function alter the parameters of the report, or refresh the report?
Thanks.
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Jan 26, 2007
I’m trying to follow the article http://aspnet.4guysfromrolla.com/articles/031506-1.aspx. It gives a sample to download at the bottom which I did. I’m trying to take a look at the Stored Proc that were created in the PagingData.mdf. The only thing included in the App_Data folder is PagingData.mdf file. How can I open the DB or attach it to my SQL2005 server? There is no .ldf file included in the sample so the attaching is failing.
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Sep 8, 2005
I used to use rdo in VB6 and now I'm trying to figure out how to use the SqlDataReader class in VB.NET. I want to use an ODBC data source to specify the connection info. I used to give the rdoConnection object a connect string that looked something like this:"DSN=[data source name];UID=[sql server user];PWD=[pwd]"I don't understand the connect string given in all the examples I've found (nor does it seem to work on my system...)
mySqlConnection = New SqlConnection("server=(local)VSdotNET;Trusted_Connection=yes;database=northwind")Does anyone have any ideas? I'm open to explanations as well as solutions :)Thanks,jdm
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Nov 12, 2001
i have a 10 gb database which iam not able to poen through enterprise manager or sql query analyser in sql server 7.0, any solutions?
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Aug 20, 2004
Hi,
I got a .dts package via email. But I am not able to open it in my sql server.
Could some one pls help me know, how to open .dts packeges in the designer.
Thanks
Cheriyan.
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Apr 2, 2008
All I want to do is open an .mdf file. So I have downloaded and installed SQL Server 2005 Express Edition. I have searched HELP but I see nothing simple. How do I add a file to this server so that I can read the file in Access?
Thank you very much for any help you can give.
David Thomas
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Apr 16, 2008
Hi, I have a client who has a current website based on an MS SQL database. I am building a new website that will be in MySQL.
I have never used MSSQL before and the only information that i have been sent by the old web designer is a .bak file (which is the latest back-up of the MS SQL info) and the user name and password for the current on-line databases.
I dont know how to open this .bak file, ideally i would like to get it into MS excel or MS access. I have downloaded
SQL Server Management Studio Express and SQL Server Configuration Manager but i dont know what to do next (and am really confused!)
Can anyone advise me of the steps that i need to take to get the data out of the .bak file?
I would be VERY greateful of any assistance.
Thanks in advance,
Rebecca.
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May 14, 2008
Hello Guys,
One of the fields in my report is a web address (i.e. http://www.yahoo.com). Navigation property for this field is "Jump to URL". Users will access the report with a browser, using a "sharepoint-like" application. Default behavior of "Jump to URL" seems to be to open the link in the same window (or tab in IE7). Is there a way to force the link to be open in the new window?? Please let me know if you have any suggestions. Thanks!!
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May 18, 2008
Hi,
Im using Sql server 2000. I wanted to know if its possible to open a cursor using an sp instead of an sqlstatement?
Also I know that cursors cant be opened for more than one result sets. This question is based on the assumption that the SP will return only one result set.
If possible please let me know the syntax/reference link.
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Jul 14, 2006
Hi
I access a DB by as abvious creating a DB Connection and then sending a querry to it. Finally creating an SQL Command and then exuting it.
But the thng is I am using a static function:
which opens a new connection and returns a data reader based on the querry. i.e
pubblic static SqlConnection OpenConnection()
{
try
{
string connectionString = "Data Source=mm\SQLEXPRESS;Initial Catalog=monsoonDB;Integrated Security=True";
SqlConnection conn = new SqlConnection(connectionString);
conn.Open();
return conn;
}
catch (Exception ex)
{
throw;
}
}
Now I have the execute selectquerry function.....
public static SqlDataReader ExecuteSelectQuerry(string querry)
{
try
{
SqlConnection conn = OpenConnection();
SqlCommand scomm = new SqlCommand(querry, conn);
SqlDataReader sdr = scomm.ExecuteReader();
return sdr;
}
catch (Exception e)
{
return null;
}
}}
now my question is....the instance of conn is limited only to that function only, and not returned outside. Whereas only the SqlDataReader is returned outside. Does that have any abnormal affect on the application. Since my ASP Application is getting locked (not doing anything, nt even post back!) sometimes after a few DB operation.
Arent these connections and instances Managed (auto garabage collection)?? Can memory leaks under such a situation occur.
Please help
Thanks
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Jun 26, 2007
I have created my query to do what it needs to do but i'm getting error when i click the button, it says there is an error opening my connectiong....
I.E.
Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
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: Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.Source Error:
Line 28:
Line 29: //open the connection
Line 30: myConnection.Open();
Line 31:
Line 32: //create a commandSource File: c:Documents and SettingsplanPlanDatabaseBZAvuAdd.aspx.cs Line: 30 Stack Trace:
[SqlException (0x80131904): Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +171
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2305
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +34
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +606
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +193
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +502
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +429
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +70
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +512
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +85
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +89
System.Data.SqlClient.SqlConnection.Open() +160
_Default.insertIntoVU() in c:Documents and SettingsplanPlanDatabaseBZAvuAdd.aspx.cs:30
_Default.addAppButton_Click(Object sender, EventArgs e) in c:Documents and SettingsplanPlanDatabaseBZAvuAdd.aspx.cs:127
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +75
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +98
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4919
therefor is this saying that I have to login before even testing this thing or what??
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Jan 17, 2008
Hello,
I put my stored procedure in my class and try to execute it but get this error
1st here is my class
1 public signup_data_entry()
2 {
3 SqlConnection con = new SqlConnection("cellulant_ConnectionString");
4
5
6 SqlCommand command = new SqlCommand("Cellulant_Users_registration", con);
7 command.CommandType = CommandType.StoredProcedure;
8
9 con.open();
10
11 command.Parameters.Add(new SqlParameter("@RegionID", SqlDbType.Int, 0, "RegionID"));
12 command.Parameters.Add(new SqlParameter("@RegionDescription", SqlDbType.NChar, 50, "RegionDescription"));
13
14 command.Parameters[0].Value = 4;
15 command.Parameters[1].Value = "SouthEast";
16
17 int i = command.ExecuteNonQuery();
18
19
20 }
and here is the error message on the testing server. Error line is line 27 below
Source Error:
Line 25: command.CommandType = CommandType.StoredProcedure;
Line 26:
Error >>> Line 27: con.open();
Line 28:
Line 29: command.Parameters.Add(new SqlParameter("@RegionID", SqlDbType.Int, 0, "RegionID"));
Source File: c:inetpubwwwrootcellulant1App_Codesignup_data-entry.cs Line: 27
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Mar 16, 2008
Hi most of my code follows the following format in a lot of my pages, my question is; Am i approaching it the right way in terms of performance, sql injection attacks and anything someone more knowledgeable than myself can think off, please feel free to criticise the code. Thank youprotected void Page_Load(object sender, EventArgs e)
{string strID = Request.QueryString["id"];
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["streamConnectionString"].ConnectionString);SqlCommand command = new SqlCommand("stream_EventsByID", conn);
command.CommandType = CommandType.StoredProcedure;command.Parameters.Add("@eventID", SqlDbType.Int).Value = Request.QueryString["id"];
conn.Open();
SqlDataReader reader = command.ExecuteReader(CommandBehavior.CloseConnection);
eventList.DataSource = reader;
eventList.DataBind();
conn.Close();
}
}
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Jun 26, 2004
I Have A Problem With Opening A Database With "SQLOLEDB" Provider In Web Application Projects!
The Same Database Opens In Windows Application Projects But When I Try TO Open It (Manually Or During A DataAdapter.Fill Method) In Web APPS I Get An Error Message : "Login failed for user 'NT AUTHORITYNETWORK SERVICE'."
I Use Windows NT Authentication In Connections,
I Have SQL Server 2000 Enterprise Edition (With Default Installation) , Windows .Net Server 2003 Enterprise Edition (IIS 6) , And VS.NET 2003 Enterprise Edition (.Net Framework 1.1)
Can Anyone Tell Me What's Wrong?
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Jul 11, 2005
Hi,I am getting this error when i am connecting sql database.Error = "SQL Server does not exist or access denied."Can you please suggest me where i am going wrong.RegardsNaveen
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Apr 20, 2006
If Someone could please show me some example VB code where i can open the my Sqlconnection in the Page_Load subroutien... and then close that SqlConnection in the Page_Unload routine. I want to be able to execute Sql command without having to re-open and re-close the connection.
Thanks,
Greg
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Apr 30, 2001
When using Enterprise Manager, Right Clicking on any table in the db, selecting OPEN TABLE, and choosing either Return all rows or Return Top... I recieve this error "The query cannot be executed because some files are missing or not registered. Run setup again to make sure the required files are registered."
I am running: SQL Server 7.0 Client with Windows 2000.
I have run setup again and the same thing still happenes. I even uninstalled and reinstalled SQL Server, still the same thing occures.
I first installed SQL Server7.0 on my machine about a month and a half ago and all was fine until two weeks ago, then this started happening. SQL Server was the last thing I have installed on this machine so it cannot be a new install conflict. I can't think of any reason for this to be happening out of the blue like it did.
Does anyone have any insight???
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Dec 31, 2002
How would i open up ports on the server? Are they all open or do i have to specify which ones i want open? thanks
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Mar 11, 2006
My client has given me a DB file (.MDF) and I need to open it in order to export it to the remote DB.
In Enterprise Manager I go to 'New Database' - create a new DB and click on the 'Data' tab to browse to my clients file. Enterprise Manager recognises the file and everything seems hunky dory. but the resulting DB seems to have no tables.
The DB file is 1600K and has some stored procedures but if I try to export the tables there is nothing. His ASP files refer to tables in the SQL as you would expect.
Am I missing something? it's the weekend so he is not available and I don't want to look tooo stupid!
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May 15, 2007
Hi all,
I am having one problem about the processing cube in SQL 2005 AS.
when cube runs i get this error in log file:
File system error: Error opening file; Program Files (x86)Microsoft SQL Server90SharedASConfigmsmdredir.ini is not a disk file or file is not accessible.
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Jul 20, 2005
I have a single .asp page that opens a connection and then sequentiallyopens and closes 14 recordsets from stored procedures to obtain variousproduct information before closing the connection.Is it common practice to do something like this? Or is opening 14recordsets going to become a real problem when the page goes live and startsgetting high web traffic?Thank you in advance for any information you might provide.Dave
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May 3, 2007
Hello,
I have areport with a text box. The text box is hyperlinked to another report url. The report opens in a new page when previewed with RS 2005 but when deployed the report opens in teh same page from where it is referenced.
How can I set a property with the texbox to always open in a new page the hyperlinked report.
Thanks in advance
'Kiran.
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May 8, 2006
Hello, I get this error:
Could not allocate ancillary table for view or function resolution
When I try to open a view that has never had a problem before today. I called Microsoft support and got a hot fix sent to me but unfortunatly it didnt install at all. I get an error:
You do not have any instance of SQL installed on this computer that qualifies for this hotfix.
Please check version and service pack requirements for this hotfix
And according to KB articles this problem should have been fixed by SP4 (which I have). So I dont know what to do. Could someone please help me??
Thanks
Mark
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