?? studentreport.java
字號:
import java.awt.*;
import java.sql.*;
public class studentreport extends Frame
{
int stdno,scount=0;
String[] topic;
int[] totalmarks;
int[] markssecured;
String[] result;
Panel p,p1;
String[] str;
int i;
Button b;
public studentreport(int snum)
{
System.out.println("sirishasrinivas");
p=new Panel();
p1=new Panel();
b=new Button("Back");
stdno=snum;
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection c=DriverManager.getConnection("jdbc:odbc:sirisha");
Statement st=c.createStatement();
ResultSet rs=st.executeQuery("Select * from student where sno="+stdno);//+"' order by qno");
while(rs.next())
{
scount++;
}
str=new String[scount];
topic=new String[scount];
totalmarks=new int[scount];
markssecured=new int[scount];
result=new String[scount];
rs=st.executeQuery("Select * from student where sno="+stdno);//+"' order by qno");
i=0;
// stdno=rs.getInt(1);
while(rs.next())
{
topic[i]=rs.getString(2);
totalmarks[i]=rs.getInt(3);
markssecured[i]=rs.getInt(4);
result[i]=rs.getString(5);
str[i]=stdno+topic[i]+totalmarks[i]+markssecured[i]+result[i];
i++;
}
Label ls[]=new Label[scount];
for(i=0;i<scount;i++)
{
ls[i]=new Label(str[i]);
System.out.println(str[i]);
//str=i+1+" "+topic[i]+" "+totalmarks[i]+" "+markssecured[i]+" "+result[i]+" ";
p.add(ls[i]);
}
p1.add(b);
add("South",p1);
add("Center",p);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public boolean action(Event e,Object o)
{
if(e.target.equals(b))
{
subjectslist s=new subjectslist(stdno);
hide();
s.resize(400,300);
s.show();
}
// else return super.action(Event e,Object o);
return true;
}
public boolean handleEvent(Event e)
{
if(e.id==Event.WINDOW_DESTROY)
System.exit(0);
return super.handleEvent(e);
}
}
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