I want to display the quantity of the selected item of a drop down list in a textbox. The data is stored in database.
The code for retrieving data from database into Drop Down List.
DataSource data = new MysqlDataSource();
Connection con = data.getConnection("root","system");
System.out.println("Connected to MySQL");
PreparedStatement pre = con.prepareStatement("select * from library.booklist");
ResultSet result = pre.executeQuery();
Book List :
// my code for displaying quantity is below but its now working.I am new to jsp, so dont know how to populate the textbox//
String value = request.getParameter("BookList");
pre = con.prepareStatement("select Quantity from library.booklist where Book = ? ");
result = pre.executeQuery();
<font color="black" size="5"><td> Quantity : </td>
int quantity = result.getInt("Quantity");
System.out.println("quantity dikha raha hai");
<input name = "Quantity" type = "text" size = "25" readonly = "readonly" value = "<%=quantity%>"> <%=quantity%> </input>
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