Problem Opening Databases In ASP.NET
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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Dec 10, 2007
Dear Readers,Is it possible, like in Access, to link to tables in other SQL databases that are on the same server? I have a query that I originally had in Access that queered from multiply databases. It did this by having those other tables in the other databases linked to the database that had the query.
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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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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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Oct 2, 2007
Hello,
I have a question and hope that someone can help me.
I use of AccountView application this application use of the Microsoft Visual FoxPro database. We have on another server Sql-server. Me question is how I am possible foxpro and Sql-server to each other cross-belt Len (linken)
Or can I import the database from foxpro in sql-server?
Thanx
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Feb 8, 2007
Hi all,
I have created an SQL Server Report with a table of data on Invoices. Each invoice should be clickable so that it will open in CRM. From the documentation I have read online, it seems like I need to create a report parameter called CRM_URL and add this in the Action property of the appropriate table cell:
=IIF(IsNothing(Parameters!CRM_URL.Value), Nothing, Parameters!CRM_URL.Value & "?ID={" & Fields!invoiceid.Value.ToString() & "}&OTC=1090")
When I do that, I get an error message saying:An attempt was made to set a report parameter 'ID' that is not defined in this report. (rsUnknownReportParameter)
This happens both if I select a particular Invoice ID or simply hard code a known entry from the database. The OTC code is correct.
Any suggestions as to where I might be going wrong?
Regards,
Tim
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Oct 24, 2006
Is there any way to avoid the Warning:
Document contains one or more extremely long lines of text. These lines will
cause the editor to respond slowly when you open the file. Do you still
want to open the file?
on every file containing a Script Component?
I've got a project with about 21 packages, ~ 3/4 of them having multiple Script Components and every single one of them makes me click through the warning dialouge to open the file. That means simply opening the project takes about three minutes and almost complete attention through the entire process. Builds offer the same headache since the creation of a Deployment utility inexplicably requires every file in the project be open.
As far as I can tell, the warning is a result of Script Components being included in the .dtsx file as a pre-compiled binary. I didn't specifically ask for the binary to be included in the file, so why would the standard behaviour raise a warning dialouge by default?
Please tell me I'm doing something wrong.
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Jan 5, 2007
Hi,
I have created a RDL report and successfully deployed it in reporting server. The following code is used to open the Report.
private void Form1_Load(object sender, EventArgs e){
this.reportViewer1.ProcessingMode = Microsoft.Reporting.WinForms.ProcessingMode.Remote;
this.reportViewer1.ServerReport.ReportServerUrl = new Uri("http://localhost/ReportServer");
this.reportViewer1.ServerReport.ReportPath = "/Import Run Reports/ImportRunReport";
Microsoft.Reporting.WinForms.ReportParameter[] param = new Microsoft.Reporting.WinForms.ReportParameter[2];param[0] = new Microsoft.Reporting.WinForms.ReportParameter("RunId", "195900,195904,195711,195707");param[1] = new Microsoft.Reporting.WinForms.ReportParameter("ReportType", "Summary");
reportViewer1.ServerReport.SetParameters(param);
reportViewer1.RefreshReport();
}
Very first time the Report is opening successfully. Once I close the window and again i am trying to open the report i am getting the following error "The underlying connection was closed: A connection that was expected to be kept alive was closed by the server."
Could you Please help me in this regard.
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Jan 13, 2006
When I try to open the designer (with exiting, e.g. tutorial or new project/package) I get the following error message:
Microsoft Visual Studio is unable to load this document:
Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
After closing the project I have the following application event log error:
Faulting application devenv.exe, version 8.0.50727.42, stamp 4333e699, faulting module unknown, version 0.0.0.0, stamp 00000000, debug? 0, fault address 0x014fb87c.
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May 3, 2005
Hi everybody,
I am using VB Webforms as my front end and MSDE 2000 as my back end. I am not able to drop a database after executing the following vb code on that database:
Dim vConnection As New SqlConnection(vConnectionString) Dim vAdapter As New SqlDataAdapter("SELECT party_type_code, party_type_name, party_type_imported" & _ " FROM Party_Type" & _ " ORDER BY party_type_name", vConnection) Dim vDataTable As New DataTable() vAdapter.Fill(vDataTable) vAdapter.Dispose() vConnection.Dispose()
On trying to drop the database using the SQL Command "DROP DATABASE PPCABCD2005", I get the error message:Cannot drop the database 'PPCABCD2005' because it is currently in use ...However, if I don't execute the above code, I am able to drop it. Why is it so? What is the solution to this problem?
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Apr 4, 2006
I'm developing an intranet site in ASP.NET 2.0 but I can't seem to connect to the DB from within my code. I've created a .vb class that houses a private Connection() that other functions within the class can call to connect to the database. In the calling function, I've declared my connection object and called the "Open" method on the object. However, when I attempt to execute the stored procedure command by calling the "ExecuteScalar" method, I get the following error:
"ExecuteScalar requires an open and available Connection. The connection's current state is closed."
Here's the code from my class:
Imports System.Data
Imports System.Data.SqlClient
Namespace Encompass
Public Class EncompassSecurity
Public Shared Function GetHRIDByNTUserID(ByVal strNTUserID) As String
Dim strHRID As String
'Create command object
Dim cmd As New SqlCommand("usp_Get_HRID_By_NTUserID", Connection())
cmd.CommandType = CommandType.StoredProcedure
'Open DB connection
Dim DBConnection As SqlConnection = Connection()
DBConnection.Open()
'Input parameters
Dim inNTUserParam As New SqlParameter("@NT_UserID", SqlDbType.VarChar)
inNTUserParam.Direction = ParameterDirection.Input
inNTUserParam.Value = strNTUserID
cmd.Parameters.Add(inNTUserParam)
'Output parameters
Dim outHRIDParam As New SqlParameter("@HRID", SqlDbType.Int)
outHRIDParam.Direction = ParameterDirection.Output
cmd.Parameters.Add(outHRIDParam)
'Run stored procedure
strHRID = cmd.ExecuteScalar()
Return (strHRID)
'Close DB connection
DBConnection.Close()
End Function
Private Shared Function Connection() As SqlConnection
Dim strConnectionString As String
strConnectionString = ConfigurationManager.ConnectionStrings("Conn").ConnectionString
Return New SqlConnection(strConnectionString)
End Function
End Class
End Namespace
Here's the code from my web.config file:
<?xml version="1.0"?>
<!--
Note: As an alternative to hand editing this file you can use the
web admin tool to configure settings for your application. Use
the Website->Asp.Net Configuration option in Visual Studio.
A full list of settings and comments can be found in
machine.config.comments usually located in
WindowsMicrosoft.NetFrameworkv2.xConfig
-->
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<connectionStrings>
<add name="Conn" connectionString="Data Source=ServerName;Initial Catalog=NPASDV;uid=UserName;password=*******;"
providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<!--
Set compilation debug="true" to insert debugging
symbols into the compiled page. Because this
affects performance, set this value to true only
during development.
Visual Basic options:
Set strict="true" to disallow all data type conversions
where data loss can occur.
Set explicit="true" to force declaration of all variables.
-->
<roleManager defaultProvider="AspNetWindowsTokenRoleProvider" />
<compilation debug="true" strict="false" explicit="true" />
<pages>
<namespaces>
<clear />
<add namespace="System" />
<add namespace="System.Collections" />
<add namespace="System.Collections.Specialized" />
<add namespace="System.Configuration" />
<add namespace="System.Text" />
<add namespace="System.Text.RegularExpressions" />
<add namespace="System.Web" />
<add namespace="System.Web.Caching" />
<add namespace="System.Web.SessionState" />
<add namespace="System.Web.Security" />
<add namespace="System.Web.Profile" />
<add namespace="System.Web.UI" />
<add namespace="System.Web.UI.WebControls" />
<add namespace="System.Web.UI.WebControls.WebParts" />
<add namespace="System.Web.UI.HtmlControls" />
</namespaces>
</pages>
<!--
The <authentication> section enables configuration
of the security authentication mode used by
ASP.NET to identify an incoming user.
-->
<authentication mode="Windows" />
<!--
The <customErrors> section enables configuration
of what to do if/when an unhandled error occurs
during the execution of a request. Specifically,
it enables developers to configure html error pages
to be displayed in place of a error stack trace.
<customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
</system.web>
</configuration>
What am I doing wrong? Any help would be most appreciated!!
Manuel
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Aug 28, 2000
I am getting an error stating the parameter is incorrect when I open a package on my laptap. If I do it on the server it works fine. I even tried recreating my ODBC connection on my laptop thinking that might be it. Any suggestions would be appreciated.
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Apr 12, 2006
Hi there,
I've one cube file (xyz.cub) supplied by my customer.
I don't know how to open that cube file.
Can anyone let me know how should i proceed to browse contents of that cube? I tried to link and open using Foodmart datasource(standard example in MS Analysis services) however unable to locate it.
Does it needed to create new data source for browisng stand alone cube file?
My customer has not supplied anything other than xyz.cub cube file.
Thanks in advance.
Avadhoot
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Aug 13, 2001
HI
I need to create a script that opens a file that has mulitple open file statement that contains locations of files that have insert querys in.
I think that you can do this in Oracle and Sybases (ISQL) but cannot find how to do it in MS ISQL.
Help appreciated.
Jason
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