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  <head>
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String dbDriver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
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  String studentname=new String(request.getParameter("studentname").getBytes("iso8859-1"),"GB2312");
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  String user="sa";
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  Connection conn=null;
  Statement stmt=null;
  ResultSet rs=null;
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  Class.forName(dbDriver);
  conn= DriverManager.getConnection(url,user,pwd);
  stmt=conn.createStatement();
  rs=stmt.execute


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