try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch(ClassNotFoundException event){System.out.println(""+event);}
try{
            con=DriverManager.getConnection("jdbc:odbc:lpf", strUserId,strPassword);
            sql=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
            rs=sql.executeQuery("select * from dstudent where sno='"+jTextField1.getText()+"'");
catch(SQLException ee){
                JOptionPane.showMessageDialog(this, "学号不存在或输入错误", "错误", JOptionPane.WARNING_MESSAGE);
                System.out.println(ee);
            }

------解决方案--------------------
Java codetry { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch(ClassNotFoundException event){System.out.println(""+event);}
try{con=DriverManager.getConnection("jdbc:odbc:lpf", strUserId,strPassword);
    sql=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
           rs=sql.executeQuery("select * from dstudent where sno='"+jTextField1.getText()+"'");
catch(SQLException ee)
{ JOptionPane.showMessageDialog(this, "学号不存在或输入错误", "错误", JOptionPane.WARNING_MESSAGE);
               System.out.println(ee);            }


------解决方案--------------------
Java code
try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch(ClassNotFoundException event){System.out.println(""+event);}
try{con=DriverManager.getConnection("jdbc:odbc:lpf", strUserId,strPassword);
  sql=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
  rs=sql.executeQuery("select * from dstudent where sno='"+jTextField1.getText()+"'");
catch(SQLException ee)
{ JOptionPane.showMessageDialog(this, "学号不存在或输入错误", "错误", JOptionPane.WARNING_MESSAGE);
  System.out.println(ee); }

------解决方案--------------------
不错。

------解决方案--------------------
好东西

------解决方案--------------------
阿尔法而发而发而发而发而发而发而未发而为

------解决方案--------------------
好东西学习了

------解决方案--------------------