Am working on a Mail Server Project. In that I have Inbox And Outbox Messages. Now Each and Every message is deleting correctly in my project. But Problem occurs when i use to delete the last message left in both in/out box. i have done the validations which says an alert while i directly click on button(which it should show) without checking it but if during last message left in mail and its already checked;i click on button it shows an error. A when there is no message in it and i click on delete its showing jasper error(Instead of showing 'there is no message in outbox/inbox'). am posting my code also.....
<html>
<head>
<script>
function ValidateForm()
{
var flag = false;
for(i=0;i< document.frm.inboxchk.length;i++)
{
if(document.frm.inboxchk[i].checked)
flag = true;
}
if(!flag)
{
alert('Please select Mails');
return false;
}
return true;
}
</script>
</head>
<body>
<form action="DeleteOutbox.jsp" method="post" name="frm" onsubmit="return ValidateForm();">
outbox.jsp
<%@ page import="java.sql.*"%>
<%@ page import="javax.sql.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.io.File"%>
<%@ page import="java.util.*"%>
<%
PMS.common.PMSDBManager obj = new PMS.common.PMSDBManager();
String sesUserId=(String)session.getAttribute("UserId");
if(sesUserId == null)
{
response.sendRedirect("Login.jsp");
}
else
{
String empid=request.getParameter("empid");
if(sesUserId == null)
{
response.sendRedirect("Login.jsp");
}
Calendar cal = Calendar.getInstance();
String CurrentTime = cal.get(Calendar.HOUR) + ":" + cal.get(Calendar.MINUTE) + ":" + cal.get(Calendar.SECOND);
String CurrentDate = cal.get(Calendar.YEAR) + "/" + (cal.get(Calendar.MONTH)+1) + "/" + cal.get(Calendar.DATE);
String sql="SELECT * FROM mstOutbox WHERE fromuid='"+sesUserId+"' AND dstatus='N'";
ResultSet rs=obj.getResultSet(sql);
%> <center><i><h4>OUTBOX:</h4></i>
<table BORDER="1" CELLPADDING="2">
<tr> <td></td>
<td>Subject</td>
<td>To</td>
<td>Date</td>
<td>Time</td>
<tr>
<%
while(rs.next())
{
int frmid=rs.getInt("touid");
String sql1="SELECT * FROM mstRegistration WHERE userid='"+frmid+"'";
ResultSet rs1=obj.getResultSet(sql1);
while(rs1.next())
{
%>
<tr> <td><input type="checkbox" name="inboxchk" value="<%=rs.getInt("omailid")%>"></td>
<td><h4><i><a href="Displaymail.jsp?empid=<%=rs.getInt("omailid")%>&userid=<%=rs1.getString("userid")%>&outbox=Y" target="middle_pane"><%out.println(rs.getString("subject"));%></a></i></h4></td>
<td><h4><i><%out.println(rs1.getString("firstname"));%></i></h4></td>
<td><h4><i><%out.println(rs.getString("date"));%></i></h4></td>
<td><h4><i><%out.println(rs.getString("time"));%></i></h4></td>
</tr>
<%}}
%>
</table>
<input type="submit" name="delete" value="Delete Mail" onClick="return ValidateForm();">
</center>
</form>
</body>
</html>
<%}%>
deleteout.jsp
<%@ page import="java.sql.*"%>
<%@ page import="javax.sql.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.io.File"%>
<%
PMS.common.PMSDBManager obj = new PMS.common.PMSDBManager();
String sesUserId=(String)session.getAttribute("UserId");
if(sesUserId == null)
{
response.sendRedirect("Login.jsp");
}
else
{
String[ ] touserId = request.getParameterValues("inboxchk");
boolean booln = false;
for(int i=0;i<touserId.length;i++)
{
System.out.println("IN DELETE PAGE OF OUTBOX>>>>>>>>>>>>>>>>>>"+touserId[i]);
String delsqlinx = "UPDATE mstOutbox SET dstatus='Y' WHERE omailid='"+touserId[i]+"' AND fromuid='"+sesUserId+"'";
booln = obj.executeQuery(delsqlinx);
}
response.sendRedirect("Outbox.jsp");
}%>
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