How To Avoid 'invalid Connection' Error ?

Oct 13, 2004

hi all,


i got following error when i try to connect my asp.net page that is uploaded on ftp server,


then...











'Invalid connection'


'System.Data.SqlClient.SqlException: Invalid connection.'








any one can detect and solve it then it would be great help.





thx.

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Hi friends,
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Invalid 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: Invalid connection.Source Error:



Line 29: {
Line 30: SqlCommand mycmd=new SqlCommand("select distinct(city) from master order by city asc",myconn);
Line 31: myconn.Open();
Line 32: SqlDataReader sdr=mycmd.ExecuteReader();
Line 33: ArrayList arr=new ArrayList();Source File: d:inetpubwwwrootsales_offerindex.aspx.cs    Line: 31 Stack Trace:



[SqlException: Invalid connection.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)
System.Data.SqlClient.SqlConnection.Open()
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Sales_offer.WebForm1.Page_Load(Object sender, EventArgs e) in d:inetpubwwwrootsales_offerindex.aspx.cs:67
System.Web.UI.Control.OnLoad(EventArgs e)
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Page.ProcessRequestMain()



Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET Version:1.1.4322.2032
 
 
After that when i tried to access the database through Qury analyzer it is giving me error
Msg 911, Level 16, State 1, Line 1
Could not locate entry in sysdatabases for database 'salecumoffers'. No entry found with that name. Make sure that the name is entered correctly.
But it is showing me the tables and their Contents from Remote server in enterprise manager...
waiting for ur quick response
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When trying to connect to a remote SQL 2005 Express Server, I get this error message:  [DBNETLIB][ConnectionOpen (ParseConnectParams()).]Invalid connection.
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 Here is my connection string:
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Hey everyone, hope you all can help me with this problem. 
We have a remotely hosted website, but we have a SQL server in our company (powers our instore portal).  I have set up our router so that i can connect to remote desktop and sql server.  I can connect to the remote desktop and i can connect to the sql server with query analyzer.  On our local site i can set up a connection to look at sqlserver.underpargolfutah.org and it works fine, everything goes well.
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This should all work but i get the following error
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Hi folks.

I'm a programmer, and very new to databases... but I've worked with 7 or 8 of them so far and I've had no problems. I just had a client get himself a server. He got it from his friend and that friend set it up and sent me the info. It has .NET 2.0 and 1.1 and it has MSSQL Server 2005 Express. He sent me the login info for the database and I connected fine via my enterprise manager... but, when I try to connection asp.net I get "invalid connection" I'm using the exact same info. I've tried setting the server as (local) and as the web address I used in my enterprise manager. I recieved the same error for both.

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Hi,
I have installed window vista on my computer. And configure a .net applaction. But When I want to browse the application there a error

Server Error in '/nutri-cafe' Application.
--------------------------------------------------------------------------------

Invalid 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: Invalid connection.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SqlException: Invalid connection.]
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--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET Version:1.1.4322.2032


Please help me.




Navi

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Jan 3, 2008

Hi,
I have installed window vista on my computer. And configure a .net applaction. But When I want to browse the application there a error

Server Error in '/nutri-cafe' Application.
--------------------------------------------------------------------------------

Invalid 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: Invalid connection.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SqlException: Invalid connection.]
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System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
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System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +750




--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET Version:1.1.4322.2032


Please help me.


Navi

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oot021d50639a6858cApp_Code.54nvluyo.1.cs:102   ProfileWrapper..ctor() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileWrapper.cs:242   ProfileDataSource.GetData() in d:inetpubvhostsjavcentral.comhttpdocsApp_CodeProfileDataSource.cs:17[TargetInvocationException: Exception has been thrown by the target of an invocation.]   System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +0   System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) +72   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) +308   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +29   System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +480   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1960   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +17   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +149   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +70   System.Web.UI.WebControls.FormView.DataBind() +4   System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +82   System.Web.UI.WebControls.FormView.EnsureDataBound() +163   System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +69   System.Web.UI.Control.EnsureChildControls() +87   System.Web.UI.Control.FindControl(String id, Int32 pathOffset) +21   System.Web.UI.Control.FindControl(String id) +9   CustomerDetailsEdit.OnPreRender(EventArgs e) in d:inetpubvhostsjavcentral.comhttpdocsUserControlsCustomerDetailsEdit.ascx.cs:60   System.Web.UI.Control.PreRenderRecursiveInternal() +86   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Control.PreRenderRecursiveInternal() +170   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2041 

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Dec 27, 2007

Hi,

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I have an EXCEL file in 2003 / 2007 version. It contains some data. I want to import the data using SSIS into SQL Server 2005 (x64) database table. I have taken "EXCEL FILE SOURCE" and "SQL Server DESTINATION". It was failed on importing data. Surprisingly it works fine in SQL Server 2005 (x32). Can you please explain why it is NOT woking on (x64) ?

Here is the error code i am getting:

[Excel Source [1]] Error: The AcquireConnection method call to the connection manager "Excel Connection Manager" failed with error code 0xC0202009.

Appreciate your time and patience !!

Thanks

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Jan 24, 2007

Hi,



I am using SQL Server 2005,



while trying to retrieve data from the database; I am getting the following
error:



A transport-level error has occurred when receiving results
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But I am getting this error randomly.







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Waiting for your response



Sudhakar

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Jul 11, 2004

Hello all,
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DECLARE @SQL nvarchar(1024)

SET @SQL = 'SELECT id, CLOSED, building AS BUILDING FROM
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EXEC sp_executesql @SQL


I keep on getting the following error:
Server: Msg 207, Level 16, State 3, Line 1
Invalid column name 'ALABAMA'.


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I searched the archives but couldn't find anything on this yet...

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I've tried it two ways (actually more, but two ways will demonstrate the problem). The query I run to grab the data is search through approx 6.5 million records in poorly indexed tables, on a slow machine. Takes approximately 45 minutes to run the query alone, and right around the same to run the DTS package.

The difference between the two queries in the two different packages (all else equal), is that the first uses a variable to calculate a date to filter the where clause. The second hard codes the date in the where clause. The second works, but the first runs about 40 minutes before returning a Transfer Failed error that reads "Invalid Pointer". No error number, nothing in the Books online about the error.

The queries are as follows:
***************************************
QUERY 1 (calculates the date for 11:00 PM night before last)

Declare @DateLastReceived datetime
Declare @CharLastReceived varchar(25)

Select @DateLastReceived = DateAdd(dd,-1,getDate())
Select @CharLastReceived = Convert(varchar(25), @DateLastReceived, 101)
select @DateLastReceived = Convert(dateTime, @CharLastReceived)
select @DateLastReceived = DateAdd(hh,-1,@DateLastReceived)

select s.SerialNumber as iwSerialNumber, MAX(p.ReceiptTime) AS iwLastReceived,
p.PurchaseOrderNumber as iwPO, s.Revision as iwBomRev, s.PartNumber as iwPartNumber
From SLOCAZ s INNER JOIN PORDRZ p ON s.SerialNumber = p.SerialNumber
Where p.ReceiptTime > @DateLastReceived
And ( (p.PurchaseOrderNumber Like 'BD%')
OR (p.PurchaseOrderNumber Like 'TP%')
OR (p.PurchaseOrderNumber Like 'DM%') )
GROUP BY s.SerialNumber, p.PurchaseOrderNumber, s.Revision, s.PartNumber

***************************************
QUERY 2 (Hard codes the date)

select s.SerialNumber as iwSerialNumber, MAX(p.ReceiptTime) AS iwLastReceived,
p.PurchaseOrderNumber as iwPO, s.Revision as iwBomRev, s.PartNumber as iwPartNumber
From SLOCAZ s INNER JOIN PORDRZ p ON s.SerialNumber = p.SerialNumber
Where p.ReceiptTime > 'Aug 29 1999 11:00PM'
And ( (p.PurchaseOrderNumber Like 'BD%')
OR (p.PurchaseOrderNumber Like 'TP%')
OR (p.PurchaseOrderNumber Like 'DM%') )
GROUP BY s.SerialNumber, p.PurchaseOrderNumber, s.Revision, s.PartNumber

*****************************
I should also note that I thought maybe the hard coded date being used as a string was the difference, so I tried the following (which just converts the date back into a char variable and uses the char variable in the where clause)

Declare @DateLastReceived datetime
Declare @CharLastReceived varchar(25)

Select @DateLastReceived = DateAdd(dd,-1,getDate())
Select @CharLastReceived = Convert(varchar(25), @DateLastReceived, 101)
select @DateLastReceived = Convert(dateTime, @CharLastReceived)
select @DateLastReceived = DateAdd(hh,-1,@DateLastReceived)
select @CharLastReceived = Convert(varchar(25), @DateLastReceived, 100)

select s.SerialNumber as iwSerialNumber, MAX(p.ReceiptTime) AS iwLastReceived,
p.PurchaseOrderNumber as iwPO, s.Revision as iwBomRev, s.PartNumber as iwPartNumber
From SLOCAZ s INNER JOIN PORDRZ p ON s.SerialNumber = p.SerialNumber
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And ( (p.PurchaseOrderNumber Like 'BD%')
OR (p.PurchaseOrderNumber Like 'TP%')
OR (p.PurchaseOrderNumber Like 'DM%') )
GROUP BY s.SerialNumber, p.PurchaseOrderNumber, s.Revision, s.PartNumber

************************************
This still didn't work...

Any Ideas on what is happening and/or how to fix it???
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Package Error

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