📄 update_wishlist1.jsp
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta http-equiv="Content-Language" content="en-us">
<title>User Home Page</title>
</head>
<body bgcolor="#C0C0C0">
<form method="get" action="user_home_page.htm">
<%! Vector selectedVector=new Vector(1,1);%>
<%! Vector itemsInVectors=new Vector(1,1);%>
<%! int capacity;%>
itemsInVectors
<%@ page import="java.util.*" %>
<%@ page import="java.sql.*" %>
<%@ page import="java.text.*" %>
<%@ page import="java.sql.Date" %>
<%@ page language = "java" %>
<%
try{
Enumeration paramNames = request.getParameterNames();
Vector existingVector=(Vector)session.getAttribute("Shopping_List");
while(paramNames.hasMoreElements())
{
String paramName = (String)paramNames.nextElement();
String str=request.getParameter(paramName);
out.println("display item"+str);
selectedVector.addElement((String)paramName);
}
}
catch(Exception e)
{
out.println("Exception" + e+"occured");
}
try
{
itemsInVectors=(Vector)session.getAttribute("Shopping_List");
String username=(String)session.getAttribute("username");
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection connect, connect1;
connect=DriverManager.getConnection("jdbc:odbc:RegisterDataSource","wasiqr","bhalbabatu");
connect1=DriverManager.getConnection("jdbc:odbc:RegisterDataSource","wasiqr","bhalbabatu");
Statement state, state1;
state = connect.createStatement();
state1 = connect1.createStatement();
String strQuery1 = "select * from Wishlist_Info where User_name='"+username+"'";
int ctr=0;
out.println("i am here");
ResultSet result1 = state.executeQuery(strQuery1);
ResultSet result2;
String itemcode;
int ctrSelectedVector=0;
capacity=selectedVector.capacity();
out.println(capacity);
if(!result1.next())
{
for(;ctrSelectedVector<=capacity;ctrSelectedVector++)
{ Connection connect2=DriverManager.getConnection("jdbc:odbc:RegisterDataSource","wasiqr","bhalbabatu");
state1 = connect2.createStatement();
String itemcode1=(String)selectedVector.elementAt(ctrSelectedVector);
itemcode1=itemcode1.trim();
itemcode1=itemcode1.substring(1, itemcode1.length()-1);
out.println("itemcode1 after substring" +itemcode1);
out.println("no rows1");
out.println("not found1");
out.println("itemcode"+itemcode1);
PreparedStatement stat2=connect2.prepareStatement("Insert into Wishlist_Info values(?,?,?,getdate())");
stat2.setString(1,username);
stat2.setString(2,itemcode1);
stat2.setInt(3,1);
stat2.executeUpdate();
//selectedVector.remove((String)itemcode1);
//itemsInVectors.remove((String)itemcode1);
connect2.close();
}//end of for
} //end of if
else
{
String username1=(String)session.getAttribute("username");
Connection connect2=DriverManager.getConnection("jdbc:odbc:RegisterDataSource","wasiqr","bhalbabatu");
String itemcode1;
while(result1.next())
{
capacity=selectedVector.capacity();
out.println("capacity"+capacity);
int ctrSelectedVector1=0;
out.println("me here");
itemcode1=result1.getString("Item_code");
for(;ctrSelectedVector1<=capacity;ctrSelectedVector1++)
{
out.println("me here too");
state1 = connect2.createStatement();
out.println("ctrSelectedVector:="+ctrSelectedVector);
if(selectedVector.contains((String)itemcode1))
{
out.println("found");
String strQuery2 = "Update Wishlist_Info set Qty = Qty+1 where User_name='"+username1+"' and Item_code='"+itemcode1+"'";
//selectedVector.remove((String)itemcode1);
state1.executeUpdate(strQuery2);
continue;
}
out.println("no rows");
out.println("not found");
PreparedStatement stat3=connect2.prepareStatement("Insert into Wishlist_Info values(?,?,?,getdate())");
stat3.setString(1,username1);
stat3.setString(2,itemcode1);
stat3.setInt(3,1);
out.println("kjdf"+username1);
out.println("slk4092"+itemcode1);
out.println("itemcode1"+itemcode1);
//selectedVector.remove((String)itemcode1);
//itemsInVectors.remove((String)itemcode1);
stat3.executeUpdate();
out.println("reached here");
out.println("final"+ctrSelectedVector1);
}//end of for
} //while end
connect2.close();
} //while end
//connect.close();
}//end of else
catch(Exception e)
{
out.println("Exception occured " + e);
}
session.setAttribute("Shopping_List", itemsInVectors);
%>
</form>
</body>
</html>
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