我有这个代码我在数据库中插入一些值。我得到一个无效的游标状态异常。可能是什么原因...我首先从表中选择一些值(选择语句),我需要插入到另一个表中。我做2个插入操作在这里..获取无效光标状态(SQL例外)
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@page import="java.sql.*"%>
<%@page import="java.util.*"%>
<%@page import="models.app.*"%>
<%-- <%@page import="MyPackage.*;"%> --%>
<%
String id = request.getParameter("employeeidname");
int offshore = Integer.parseInt(request.getParameter("offshorename"));
String email = request.getParameter("emailidname");
String profile = request.getParameter("profilename");
String empname = request.getParameter("employeenamename");
String projectname = request.getParameter("projectname");
/* HandleConnections con = new HandleConnections(); */
Connection con=null;
try{
String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
Class.forName(driver);
String db = "jdbc:odbc:Practice_Database";
con = DriverManager.getConnection(db,"","");
ResultSet rs=null;
Statement st2 =con.createStatement();
Statement st3 =con.createStatement();
Statement st = con.createStatement();
String sql1="SELECT Project_ID FROM Project_Table WHERE Project_Name = '"+projectname+"'";
rs= st2.executeQuery(sql1);
String sql ="INSERT into Emp_Product_Project_Mapping(Emp_IDFK, Project_IDFK) values('"+id+"',"+rs.getInt("Project_ID")+")";
int j = st3.executeUpdate(sql);
/* conn = con.getConnection(); */
SendMail send = new SendMail();
Generator gen1 = new Generator();
String temp = gen1.gen(8);
send.sendmail("[email protected]", email, temp);
String sql2= "INSERT into Employee_Table(Emp_ID,F_Name,Profile,Offshore,Email,Password) values('"+id+"','"+empname+"','"+profile+"',"+offshore+",'"+email+"','"+temp+"')";
int i = st.executeUpdate(sql2);
if(i==1)
out.println("Values inserted successfully");
}
catch(Exception e){
System.out.print(e);
e.printStackTrace();
}
%>
从那里我得到的值的网址::
http://localhost:8080/2_8_2012/jsp/Addemployeedatabase.jsp?employeeidname=A12&offshorename=2&[email protected]&profilename=GL&employeenamename=Mayur&projectname=INFRASTRUCTURE
异常:
[Microsoft][ODBC Driver Manager] Invalid cursor statejava.sql.SQLException: [Microsoft][ODBC Driver Manager] Invalid cursor state
解决使用: :
while(rs.next) to retrieve values from result set...
哪种说法给人的错误?你有没有试过运行每个声明与其他人注释掉?你连接了哪个数据库? – 2012-04-12 06:16:15
我的最终插入语句,即Insert into Employee_Table ..工作正常...当我评论其他一切。我认为有st2和st3语句的概率... – 2012-04-12 06:40:35
我是否需要为每个语句分开连接变量......? – 2012-04-12 06:47:30