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<connectionStrings>
<add name="ConnectionStr" connectionString="Data Source=CAIPENG-PC;database=Test;Integrated Security=SSPI" providerName="System.Data.SqlClient"/>
</connectionStrings>
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<connectionStrings>
<add name="ConnectionStr" connectionString="Data Source=CAIPENG-PC;Initial Catalog=Test;Integrated Security=True" providerName="System.Data.SqlClient"/>
</connectionStrings>
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<connectionStrings>
<add name="ConnectionStr" connectionString="Data Source=CAIPENG-PC;Initial Catalog=Test;uid=sa;pwd=caipeng" providerName="System.Data.SqlClient"/>
</connectionStrings>
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string conn=System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionStr"].ConnectionString;
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using System.Data.SqlClient;
string sql = "server=.;uid=sa;pwd=;database=tablename;";
ACCESS:
using System.Data.OleDb;
string sql = "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source=" + HttpRuntime.AppDomainAppPath + "//App_Data//db.mdb";
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