Enable Production SQL Server Express For SQLCacheDependency?
Aug 1, 2007
Q1: Can I just open these protocols I need (see web links below) and then close them down again after SQLCacheDependency has been enabled? Note: The website (asp.net 2.0/SQL server Express) operates OK right now with asp.net - but it does not have SQLCacheDependency enabled.
Problem: When I try to do this I keep on getting this error message:
"An error has occurred when establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections."
None of these 3 commands have worked (all give the same message above):
aspnet_regsql.exe -U user1 -P pwd1 -S server1/SQLEXPRESS -d myDBName -ed
aspnet_regsql.exe -E -S server1/SQLEXPRESS -d myDBName -ed
aspnet_regsql.exe -E -S .SqlExpress -d myDBName -ed
I am trying to run these commands via a MSTSC connection. Q2: Is that (terminal server) the problem (the "remote connection") complained of above ?
This is the command that worked on my local dev machine:
aspnet_regsql.exe -E -S .SqlExpress -d myDBName -ed
Q3: Must I really go through the procedure "How to: Configure Express to accept remote connections" at:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;914277
http://blogs.msdn.com/sqlexpress/archive/2005/05/05/415084.aspx
I don't really want to have SQL server accepting any connections as the last time it was listening on these ports we had so many attacks being made that it was filling up the logs!
What I can't understand is that every night the database is backed up with the following command line code (operating as a Scheduled Task):
sqlcmd -s server1/SQLEXPRESS -i MW4BAK.SQL -E
Q4: So if the server is happy receiving commands from 'sqlcmd.exe' why does it have such problems with 'aspnet_regsql.exe'
Q5: If I grouped those statements I need to setup SQLCacheDependency under a Scheduled Task would they work (as there would presumably be no remote connection then) or is it something in the nature of the connection established which allows sqlcmd.exe to work but stops aspnet_regsql.exe?
View 2 Replies
ADVERTISEMENT
Feb 1, 2007
I have a SQL 2005 database and am running the 2.0 framework. I cannot seem to enable SQL caching on the db. I'm using the command line tool as follows:
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727>aspnet_regsql -S 99.99.999.999 -Uwebteam -P sa -t tblname -d dbname -et
Enabling the table for SQL cache dependency.
.An error has happened. Details of the exception:The database 'dbname' is not enabled for SQL cache notification.
To enable a database for SQL cache notification, please use the System.Web.Caching.SqlCacheDependencyAdmin.EnableNotifications method, or the command line toolaspnet_regsql. To use the tool, please run 'aspnet_regsql.exe -?' for more information.
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727>
I've replaced the ip address, dbname and tblname with ficticious names for obvious reasons here in the post.
What command can I enter to enable the database for caching?
View 4 Replies
View Related
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
View 6 Replies
View Related
Jan 27, 2007
Per the subject line :Is SQL Server Express designed for production use ?
View 11 Replies
View Related
Jan 28, 2007
Per the subject line :
Is SQL Server Express designed for production use?
View 9 Replies
View Related
Aug 6, 2007
Hi all,
I have a site which used a SQL Express database. On my development machine, it works perfectly. As soon as I move it to the production machine, it doesn't work at all. I am pretty confused by what is going on and I really don't want to install Visual Studio on my production machine just to debug it. I am hoping someone might have an idea what could be happening.
Oh, and I have tried setting Everyone to Full Control on the App_Data directory just to test. Still breaks. Below is my web.config connection string:
<connectionStrings> <add name="database_sqlexpress" connectionString="Data Source=.SQLEXPRESS; AttachDbFilename=|DataDirectory|MyDatabase.mdf; integrated security=true; user instance=true"/></connectionStrings>
View 2 Replies
View Related
May 30, 2006
How do you apply Service Pack 1 to Sql Server Express 2005?
View 1 Replies
View Related
Feb 11, 2008
I have a windows forms application that I would like to put in production on several machines. Each machine will contain it's own data and does not need to be networked.
I can use my local connection right now to access the data, but I would like to change my connection so that it will work when installed on a client's machine.
My Current connection string looks like this:
Data Source=.SQLEXPRESS;AttachDbFilename="C:Documents and SettingsMYNAMEMy DocumentsVisual Studio 2005ProjectsInterimApplicationInterimApplicationInterim.mdf";Integrated Security=True;User Instance=True
I believe I could use something like this:
Dim connectionString as string = "Data Source=" & Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) & "/InterimApplication/data/Interim.mdf;Integrated Security=True;User Instance=True"
However, I am not sure. Also, if the client does not install to the default directory, then this may cause the application to not work properly.
Lastly, I am not sure if the client machine needs any additional software on their computer in order for the application to be capable of connecting to the data source.
Any recommendations, ideas, comments, or general help is greatly appreciated.
View 5 Replies
View Related
Jan 22, 2006
Do you know of anyone who is running SQL Server Express in a live production web server?
Thanks
WD
View 1 Replies
View Related
Nov 12, 2006
Hi to all!
My problem comes from this situation: I have two PC connected via a network calble; on the first I have SQL Server 2005 Express, an MDF data file in a shared directory under the "Document and Settings" path, and my program written in VB .NET 2005. On the second PC I have only my program, and I would like to have it connect to and work on the MDF on the first PC.
The program on the first PC works well and uses a connection string like the following:
Data Source=.SQLEXPRESS;AttachDbFilename=<path><name>.mdf;;Integrated Security=True;User Instance=True
I am able to access to SQL Express from the second PC (I have enabled the Client to use the right TCP ports, told the firewall to let them work and enabled the Guest user on the first PC to use SQL Express), but from Visual Studio Server Explorer I cannot reach my data file: any attempt fails telling me that I cannot open it because is in a shared location... I can only open the DBs located in the "Data Directory" of SQL Express...
In other words, what should I do to have two or more clients work on the same DB under SQL Express? Is it mandatory that the DB .MDF file resides in the "C:ProgramsMicrosoft SQL ServerMSSQL.1MSSQLData" directory so that it can be permanently attached to SQL Express?
Thanks for your help!!!
Roberto
View 6 Replies
View Related
Sep 13, 2006
How easy it is to deploy a solution that uses SQL Express on Development, but a MS SQL database on the production server (host)I am using the membership provider of ASP.net 2.0 Many thanks.
View 2 Replies
View Related
Apr 7, 2006
I've built a web app using VWDEE. I created my express database in the
app_data directory using VWDEE and everything worked really well.
Then I copied the site into my production directory (same computer) and
setup the site under IIS. Now I cannot connect to the database.
How is one supposed to access a express database created then moved in this way?
Thanks,
View 2 Replies
View Related
Jan 23, 2007
i am working on upgrading the clients and server computers from 2000 MSDE to 2005 SQL Express Adv. Plan to upgrade using the template.ini.
i can find the version of sql server running on th server by @@version but how do i find the version of client connctivity components the computer has installed in order to ugrade?
1. somehow i need to know whether to upgrade a client computer CONNECTIVITY COMPONENTS from 2000 to 2005?
2. is there a way to enable tcp/ip in installation script of SQL Express?
THANKS
View 9 Replies
View Related
Jul 20, 2006
I've been having trouble getting the SqlCacheDependency to work without polling (which is set up through SqlCacheDependencyAdmin or aspnet_regsql). If you check out the documentation it says things like:
Microsoft:
View 18 Replies
View Related
May 21, 2007
I have implemented a caching strategy using the sqlcachedependency and sql server 2005 backend using the broker service.This works fine and well when i am connecting to the SQL Server 2005 under service account that is in the role db_owner. In a production enivironment i am reluctant to do this so i created another service account that only has execute permissions on the stored procedures.When i use this limited service account for my ASP.net web application, the broker service does not send any messages to the web app to invalid the cache. When checking the event log and SQL profiler i get errors all relating to the user not having access to the SqlQueryNotificationService queue. So i did a lot of googling and tried running the grant scripts below with no luck using this limited service account. Keep in mind everything works fine if i use an account with db_owner priviledges. These are the grants i have tried based on numerious articles GRANT CREATE PROCEDURE TO three_d_ss_loginGRANT CREATE QUEUE TO three_d_ss_loginGRANT CREATE SERVICE TO three_d_ss_loginGRANT SUBSCRIBE QUERY NOTIFICATIONS TO three_d_ss_loginGRANT RECEIVE ON QueryNotificationErrorsQueue TO three_d_ss_loginGRANT REFERENCES ON CONTRACT::[http://schemas.microsoft.com/SQL/Notifications/PostQueryNotification] TO three_d_ss_login These are the grants i have tried that does not work GRANT SEND ON SERVICE::SqlQueryNotificationService TO three_d_ss_loginGRANT RECEIVE on SqlQueryNotificationService_DefaultQueue to three_d_ss_loginCan some one suggest what i need to do to get sqlcacheddependencies to work with a sql2005 backend under a limited priviledged service account? ThanksJim
View 4 Replies
View Related
Jun 25, 2007
Hi, I'm trying to set up a SqlCacheDependency using the Query notifications of SQL Server 2005.
I haven't even got to the point of testing the notifications part. My problem is that my DataTable is not
even getting stored in the cache when I insert it. The cache seems to be getting invalided as soon
as I add the DataTable. Here is my code:
(am trying to get a simple example working first)protected void Page_Load(object sender, EventArgs e)
{ DataTable results = (DataTable)HttpRuntime.Cache.Get("supplyFunctions");
if (results == null)
{ Response.Write("Cache Invalidated, hitting DB. TIME: " + DateTime.Now.ToString());
results = getSupplyFunctions();
}
else
{ Response.Write("got from Cache, TIME: " + DateTime.Now);
} GridView1.DataSource = results;
GridView1.DataBind();
}private DataTable getSupplyFunctions()
{ DataTable results = new DataTable(); using (SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString()) )
{ using (SqlCommand command = connection.CreateCommand())
{
command.CommandText = "schema.myStoredProc"; command.CommandType = CommandType.StoredProcedure;
SqlCacheDependency dependency = new SqlCacheDependency(command); SqlDataAdapter adapter = new SqlDataAdapter();
adapter.SelectCommand = command; DataSet dataset = new DataSet();
adapter.Fill(dataset);
results = dataset.Tables[0];
HttpRuntime.Cache.Insert("supplyFunctions", results, dependency);
}
} return results;
}
Also, whats weird is that when I keep refreshing the page, after like 5 to 10 minutes it works, and starts caching the data.
This disturbs me-- I would like to know what is going on. I am pretty sure my stored procedure doesn't break the rules of the query notifications. Can someone help me out?!??!
Thanks!
View 2 Replies
View Related
Sep 30, 2007
Hi all,I've been able to successfully use SQLCacheDependency and my test application is using only one database table to test SQLCacheDependency. Now, I was reading "Programming Microsoft ASP.NET 2.0" by Dino Esposito and I've couple of questions.a)-SQLCache will expire on Insert, Update and Delete queries on the database table? Am I right? b)-Right now I'm using SQLCacheDependency on one table, can I use it on more than one table ? If I can't , can you please give me some ideas on how to use SQLCacheDependency on more than one table? c)-Lastly, If large number of clients are using my application, what about the performance gains/losses if I use SQLCacheDependency? I will really appreciate your help. Thanks,Oltmans
View 1 Replies
View Related
Oct 1, 2007
Hi All,I've successfully implemented an example of SQLCacheDependency on one database table. I was reading "Programming Microsoft ASP.NET 2.0" by Dino Esposito and I've couple of questions. I will really appreciate your help.a)-Can I use SQLCacheDependency on more than one database tables? If I can't then I will appreciate if you can give me couple of hints as to how to do this.b)-As I understand SQLCache on a table will expire if any Insert and Update SQL operations happen on that table.c)-Our software is being used by many clients. Do you think SQLCacheDependency will have some sort of performance hits?I will really appreciate any help.Thanks,Oltmans
View 1 Replies
View Related
Oct 10, 2007
I am using SqlCacheDependency to monitor a database table for changes.
Unfortunately, it is polling the table too often and is causing
performance issues. It seems to poll at least once a second. So now I'm
trying to find a way to adjust it so that it polls about once every 10
seconds.The
code that uses the SqlCache Dependency is located in a Class Library
Project that is used by my web application project. The code is as
follows:// in the class constructorSqlDependency.Start("...some connection string");// in the body of a methodusing (SqlConnection connection = new SqlConnection("...same connection..."){ connection.Open(); SqlCommand command = connection.CreateCommand(); command.CommandText = query; SqlDependency dependency = new SqlDependency(command); dependency.OnChange += OnDepChange; SqlDataReader data = command.ExecuteReader(); // code that uses the data goes here}public void OnDepChange(object sender, SqlNotificationEventArgs e){ DoSomething();}I
did a little searching on the web and noticed that some examples showed
that you could adjust the pollTime in the web.config file:<sqlCacheDependency enabled="true" pollTime="30000"> <databases> <add name="Pubs" connectionStringName="PubsConn" /> </databases></sqlCacheDependency>However,
as I stated earlier, the code that uses the SqlCacheDependency is
located in a Class Library, so this configuration doesn't help me. Is
there a way to adjust the pollTime without getting my connection string
from the web.config?
View 1 Replies
View Related
May 1, 2006
I can create a SqlCacheDependency, and link it to a cached item in httpcontext cache. When something change, it will remove the cached item from the cache. I think I have to redo the process when that happens - prepare sql command, create SqlCacheDependency and insert the item into cache. Now I only need a notification from my SQL when something changes in one of my table, I don;t need read anything from db, and I think I should find a way to not recreate the SqlCacheDependency object everytime?
any suggestion?
View 2 Replies
View Related
May 3, 2006
I have some problem with ASP.NET cache, I found other people has similar problem, but I didn't find real solution.
The one bother me most is the SQLCacheDependency doesn't work stable. I insert object in cache and has SQLCacheDependency linked. After a period of time, it stopped working. That means the the object is still in cache, but change on db side doesn't remove the cache entry. I am not sure if it is ASP side or SQL side, I feel it is ASP side.
I am using 2.0 + SQL 2005.
Once the db command notification stop working, you have to restart IIS or clear all items in cache since you don't kno which one is changed.
Any suggestion?
View 12 Replies
View Related
Sep 12, 2007
I've set up a SqlCacheDependency in my Asp.Net application, but the dependency invalidates the cache immediately every time the page is hit.
I think the problem may be with my SQL Query, but it seems to me to meet the requirements on the Special Considerations When Using Query Notifications page on MSDN. Could someone take a look at this query and tell me if I've done something wrong? Thank you.
Here's my query:
Code Snippet
USE [chameleon]
GO
SET ANSI_NULLS ON
GO
SET ANSI_PADDING ON
GO
SET ANSI_WARNINGS ON
GO
SET CONCAT_NULL_YIELDS_NULL ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET NUMERIC_ROUNDABORT OFF
GO
SET ARITHABORT ON
GO
ALTER PROCEDURE [dbo].[usp_customers_by_site_id]
@site_id INT
AS
SELECT
customers.customer_id,
customers.name,
customers.po_prefix,
customers.dt_created,
customers.created_by AS auid,
customers.po_required
FROM dbo.customers
WHERE customers.site_id = @site_id
AND customers.is_active = 1
and here's the code in my Asp.Net site where I try to use the SqlCacheDependency:
Code Snippet
public List<Customer> GetCustomersBySite(int siteID)
{
List<Customer> customers = new List<Customer>();
if (HttpRuntime.Cache["CustomersBySite" + siteID] != null){
customers = (List<Customer>)HttpRuntime.Cache["CustomersBySite" + siteID];
}
else
{
using (SqlCommand command = new SqlCommand("usp_customers_by_site_id", Connection)){
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add("@site_id", SqlDbType.Int).Value = GetDBValue(siteID, false);
SqlCacheDependency dependency = new SqlCacheDependency(command);
try{
Connection.Open();
SqlDataReader reader;
reader = command.ExecuteReader(CommandBehavior.SingleResult);
while (reader.Read()){
customers.Add(PopulateCustomer(reader));
}
HttpRuntime.Cache.Insert("CustomersBySite" + siteID, customers, dependency, DateTime.Now.AddMinutes(Configuration.CacheDuration), System.Web.Caching.Cache.NoSlidingExpiration);
}
finally{
Connection.Close();
}
}
}
return customers;
}
View 1 Replies
View Related
Jun 15, 2006
I am using a grid to display the data on my webpage, and I have 3 projects in my solution (UI, BLL, DAL). When I load the webpage I am creating the instance of a class written n my BLL project to populate the data, and in BLL I'm creating the object for the class in DAL and returning the datatable.
Now when I refresh the page using F5, the SQLDependency is working fine. But, when I use the Paging or Sorting option's on my grid I see in SQL Profiler that the query is posted back to the SQLServer to get the data.
If this is the senario then how can I make use of the cache object in .NET 2.0.
Please advice,
Ravi
View 1 Replies
View Related
Jul 24, 2006
Decided to try testing SqlCacheDependency and got the following.... thoughts???After using the following code...void Application_Start(object sender, EventArgs e) { System.Data.SqlClient.SqlDependency.Start (ConfigurationManager.ConnectionStrings["testConnectionString"].ConnectionString); }//-------------------------------- ... then more code SqlCommand sqlCommand = new SqlCommand("select ApplicationName from dbo.aspnet_Applications", sqlConnection); SqlCacheDependency sqlCacheDependency = new SqlCacheDependency(sqlCommand);//-------------------------------- ... then more codeMembershipUser membershipUser = Membership.CreateUser(defaultUserNameTextbox.Text, defaultUserPasswordTextbox.Text); if (membershipUser != null) {//----------------------------- ... more codethe above code no longer works giving the below exception : using a plain database generated using the following statement
"aspnet_regsql -E -S . -d testDatabase -A all"
[SqlException (0x80131904): UPDATE failed because the following SET options have incorrect settings: 'QUOTED_IDENTIFIER'. Verify that SET options are correct for use with indexed views and/or indexes on computed columns and/or query notifications and/or xml data type methods.]
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +177
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +68
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2300
System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +147
System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1021
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +314
System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +413
System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +115
System.Web.Security.SqlMembershipProvider.CreateUser(String username, String password, String email, String passwordQuestion, String passwordAnswer, Boolean isApproved, Object providerUserKey, MembershipCreateStatus& status) +3325
System.Web.Security.Membership.CreateUser(String username, String password, String email, String passwordQuestion, String passwordAnswer, Boolean isApproved, Object providerUserKey, MembershipCreateStatus& status) +214
System.Web.Security.Membership.CreateUser(String username, String password, String email) +31
System.Web.Security.Membership.CreateUser(String username, String password) +7
testCustomMembership.defaultCreateUserButton_Click(Object sender, EventArgs e) in c:projects
esearchsamplehandler estCustomMembership.aspx.cs:33
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +75
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +97
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) +4861
View 1 Replies
View Related
Jul 25, 2006
I have SQL Server 2005 and I am using .Net 2.0.
Is there a way to cache a query, basically I am going to do a SELECT * on a table that is called frequently.
I then want to query this DataTable that is in cache. I want to invalidate the cache when the table changes.
Everything I have read tells me to use the output caching directive. But, much of what I am doing doesn't end up in the output. Is there a way to invalidate the cache the same way without output caching and using the Service Broker?
View 1 Replies
View Related
Oct 16, 2007
Hello,
I have tried two ways for executing a query and creating a dependency
on it, one using plain Sql commands, the other using Enterprise
Library wrapped commands.
I keep getting:
Warning: Fatal error 682 occurred at Oct 12 2007 11:01AM. Note the
error and time, and contact your system administrator.
string xml = cmd.ExecuteScalar() as string;
When I execute it. Does anyone know what could cause this.
I have read both of these posts and have not yet been able to
investigate the SQL machine's event viewer though:
http://forums.asp.net/p/959871/1188606.aspx#1188606
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1203630&SiteID=1
The "value" column is an XML datatype field.
Thanks,
Josh
public static ContentXmlUtilResult GetContentXml(
string key,
bool createDependency)
{
ContentXmlUtilResult result = new ContentXmlUtilResult();
string connString = Global.Current.ConnectionString;
using (SqlConnection conn =
new SqlConnection(connString))
{
SqlCommand cmd =
new SqlCommand(
"SELECT Value FROM dbo.ContentXml WHERE [Key]
= '" + key + "'",
conn);
if (createDependency)
{
System.Web.Caching.SqlCacheDependency dependency =
new SqlCacheDependency(cmd);
result.Dependency = dependency;
}
conn.Open();
string xml = cmd.ExecuteScalar() as string;
conn.Close();
result.Content = xml;
}
return result;
//SqlCommand cmd = (SqlCommand)
// Global.Current.Database.GetSqlStringCommand(
// //@"SELECT Value FROM dbo.ContentXml WHERE [Key] =
@Key");
// @"SELECT Value FROM dbo.ContentXml WHERE [Key] = '"
+ key + "'");
////cmd.Parameters.Add("@Key", SqlDbType.VarChar).Value =
key;
//if (createDependency)
//{
// System.Web.Caching.SqlCacheDependency dependency =
// new System.Web.Caching.SqlCacheDependency(cmd);
// result.Dependency = dependency;
//}
//string xml = Global.Current.Database.ExecuteScalar(cmd)
as string;
//result.Content = xml;
//return result;
}
View 1 Replies
View Related
Jan 31, 2006
I've the following simple code bound to a button on a Web page
string time = (string)Cache["KEY"];
if (time == null)
{
SqlConnection sqlConnection = new SqlConnection(@"Server=BIZYUSUFSQL2005;Database=Deneme;User Id=sa;Password=;");
SqlCommand command = new SqlCommand(@"select KOLON1 from dbo.CACHE", sqlConnection);
sqlConnection.Open();
SqlCacheDependency dependency = new SqlCacheDependency(command);
time = System.DateTime.Now.ToString();
Cache.Insert("KEY", time, dependency);
command.ExecuteNonQuery();
sqlConnection.Close();
}
return time;
This code has to return the time value from cache. And when a record is inserted into the CACHE table, the cache item has to be invalidated and the new time value has to be returned.
The code works properly for 2-3 minutes. But when there is no activity for 5 minutes, the cache invalidation does not work anymore.
View 1 Replies
View Related
May 23, 2008
do we have to create connection and assign it to command object before creating SqlCacheDepency? chek the code below. SqlServer is not invalidating cache when there is update. When i create Dependency using command object, at that time command object does not have connection. It will assign connection to command object in Excute method
SqlCommand cmd = new SqlCommand(commandText);cmd.CommandType = CommandType.StoredProcedure;SqlCacheDependency cacheItem = new SqlCacheDependency(cmd);DataSet result;result = DBHelper.Execute(cmd);HttpRuntime.Cache.Insert(cacheItemName, result, cacheItem);
View 4 Replies
View Related
Sep 22, 2006
SQL Server 2005 / .NET 2.0 Web App - SqlCacheDependency is not invalidated and I see an error sql log that occurs after the specified table changes:
2006-09-22 12:18:51.84 spid21s The query notification dialog on
conversation handle '{8D7EF5BC-544A-DB11-B6E0-000F1FD735BF}.' closed
due to the following error: '<?xml version="1.0"?><Error
xmlns="http://schemas.microsoft.com/SQL/ServiceBroker/Error"><Code>-8490</Code><Description>Cannot
find the remote service
'SqlQueryNotificationService-d61fa581-0567-43ba-991f-37499e87cbf6'
because it does not exist.</Description></Error>'.
I've read all applicable articles that I can find and applied hotfix kb916002. The sqldependency has never worked, it is not a stability issue as described in kb916002. In a trace I can see the sqldependency starts correctly. I have a console app that works fine with SqlDependancy calling same database and login creds. I don't know what to think. Calling sys.dm_qn_subscriptions show no subscriptions when this app starts as does the console app. Please advise as it looks like a broker issue.
Thanks
View 3 Replies
View Related
May 26, 2004
hi all ,
I created the trigger by the statement
CREATE TRIGGER trigname ON tablename FOR
INSERT , DELETE AS .... END GO
1) Can I enable and disable a trigger in Microsoft SQL Server as in Oracle ?
Through SQL Query Analyser , I tried this sql statement ...
--ALTER TRIGGER trigname ENABLE ---
and get the error ------- Incorrect syntax near 'ENABLE'.
2) Can I invoke a .bat file in a trigger event ?
OR
Can I load and invoke a java class in Microsoft SQL Server .
---
View 2 Replies
View Related
Apr 20, 2006
Hello,
I am setting up a new server with Windows Server 2003 x64 bits and SQL Server 2005 x64 bits. Under 32 bits of Windows we normally use /3GB and enable AWE under SQL Server (both SQL 2000 and SQL 2005) and allocate 6 GB of fixed memory to SQL Server.
Does any one know whether I should do the same thing under the x64 bits platform. I read some articles on the web that it is no longer required to use AWE under SQL 2005 x64 bits??
Please advise.
Thanks.
View 6 Replies
View Related
Oct 4, 2007
Hi guys
Apologies if this is the wrong place to be posting this but I have posted on a few forums and have not had any usable answers to this question, so I am hoping you guys will be able to help me.
I have 2 servers that are on the same domain. My ASP.NET application is running off the first which has .NET 2.0 installed, and I have an SQL Server 2000 db on the other. Whenever I try to connect I get the following error:An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
The connection works when I run the project in VS Development Server on my work computer, but as soon as I upload to the server I get this error.
I have scoured Google but all of the sites I come across are for SQL Server 2005 and are just not suitable for solving the issue on 2000.
Any help would be greatly appreciated as I cannot continue my current project until this issue is resolved.
Hermiod
View 20 Replies
View Related
