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Check this site <br />
<a href="http://www.connectionstring.com" rel="ugc">www.connectionstring.com</a><br />
<br />
also try to use this connectionstring<br />
connection string<br />
&lt;add key=&quot;ConnectionString&quot; value=&quot;Provider=SQLOLEDB.1<wbr />;Integrate<wbr />d Security=SSPI;Persist Security Info=False;Initial Catalog=Adostepbystep;Data<wbr /> Source=Jeff;U=xxx;P=xxx&quot; /&gt;<br />

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Check this site
www.connectionstring.com [http://www.connectionstring.com]

also try to use this connectionstring
connection string
<add key="ConnectionString" value="Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=Adostepbystep;Data Source=Jeff;U=xxx;P=xxx" />


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I realize that the Visual Studio Express editions only allow one to use the wizards to connect to local data so I thought I'd try to code the connection to SQL Server 2005 Express. Using the first couple of chapters of ADO.net StepbyStep and a trusted connection string &quot;Data Source=jeff;initial catalog=Adostepbystep;inte<wbr />grated security=SSPI;&quot; I get an error that the login has failed. What's worse is that every time there is an unsuccessful login, the original database disappears from SQL express. The only thing that remains is the database name -all the associated tables, views, etc are gone! Is there an online guide or book I can purchase to learn how to properly connect VB 2005 express to SQL server express databases. I will eventually purchase the Professional software products but have to wait for FY 07 - can anyone please help? Thanks 
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I realize that the Visual Studio Express editions only allow one to use the wizards to connect to local data so I thought I'd try to code the connection to SQL Server 2005 Express. Using the first couple of chapters of ADO.net StepbyStep and a trusted connection string "Data Source=jeff;initial catalog=Adostepbystep;integrated security=SSPI;" I get an error that the login has failed. What's worse is that every time there is an unsuccessful login, the original database disappears from SQL express. The only thing that remains is the database name -all the associated tables, views, etc are gone! Is there an online guide or book I can purchase to learn how to properly connect VB 2005 express to SQL server express databases. I will eventually purchase the Professional software products but have to wait for FY 07 - can anyone please help? Thanks 

SQL Express database disappears upon connection attempt from Visual Basic Express

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.