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why did i keep getting a connection error?

hi,

i've been developing a webservice on machine A and one WebMethod of this
webservice will connect to SQL Server2000 on machine B using a connect string
defined in Web.config as below:

<add key="sqlDbConn. ConnectionStrin g" value="workstat ion
id="172.23.171. 226";packet size=4096;integ rated security=SSPI;d ata
source=172.23.1 71.226;persist security info=False;init ial
catalog=RVLabel ing_Joe" />

i'm sure the IP address as above is exactly the machine B's IP and database
name is correct! Also SQL server instance is running! but when i test the
WebMethod on IE through HTTP, i keep getting a error like this:

System.Data.Sql Client.SqlExcep tion: SQL Server does not exist or access
denied.
at System.Data.Sql Client.Connecti onPool.CreateCo nnection()
at System.Data.Sql Client.Connecti onPool.UserCrea teRequest()
at System.Data.Sql Client.Connecti onPool.GetConne ction(Boolean&
isInTransaction )
at
System.Data.Sql Client.SqlConne ctionPoolManage r.GetPooledConn ection(SqlConne ctionString options, Boolean& isInTransaction )
at System.Data.Sql Client.SqlConne ction.Open()
at System.Data.Com mon.DbDataAdapt er.QuietOpen(ID bConnection connection,
ConnectionState & originalState)
at System.Data.Com mon.DbDataAdapt er.FillFromComm and(Object data, Int32
startRecord, Int32 maxRecords, String srcTable, IDbCommand command,
CommandBehavior behavior)
at System.Data.Com mon.DbDataAdapt er.Fill(DataTab le dataTable, IDbCommand
command, CommandBehavior behavior)
at System.Data.Com mon.DbDataAdapt er.Fill(DataTab le dataTable)
at RVLabelingToolW ebService.RVMan agement.GetUser Id(String userName) in
c:\inetpub\wwwr oot\rvlabelingt oolwebservice\r vmanagement.asm x.cs:line 400

i'm confused and could anyone help me?

thanks in advance!

Joe
Aug 22 '06 #1
0 1181

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