Need help- please help me.
Hello,
Can anyone tell me how to do this?
In my db it has a table called "employee". I used the following .jsp page to create that table.
con = DriverManager.getConnection(URL);
Statement stmt=con.createStatement();
stmt.executeUpdate("create table Employee"+
"(empNo int(7) not null AUTO_INCREMENT, "+
"nicNo varchar(12), "+
"dateAppM varchar(12), "+
"dateAppD int(5), "+
"dateAppY int(5), "+
"postType varchar(20), "+
"deptNo varchar(5), "+
"noChild int(2), "+
"allowance double default '0.00', "+
"primary key (empNo))");Now I want to do this. In my mainform, it has a button called "enroll employee". When a user
clicks to this button it display the AddEmp.jsp page. Here is the "AddEmp.jsp" page.
<form method="POST" action="AddEmpCtrl.jsp">
<center>
<TABLE borderColor=burlywood cellSpacing=0 cellPadding=5
borderColorLight=#DEB887 border=3 width="433" style="border-collapse: collapse">
<tr>
<td width="257" bgcolor="#DEB887" bordercolor="#DEB887"><b>Enroll
Employee</b></td>
<td width="168" bgcolor="#DEB887" bordercolor="#DEB887"> </td>
<td bgcolor="#DEB887" bordercolor="#DEB887"> </td>
</tr>
<tr>
<td width="257" bgcolor="#FFF3C6" bordercolor="#FFF3C6"> </td>
<td width="168" bgcolor="#FFF3C6" bordercolor="#FFF3C6"> </td>
<td bgcolor="#FFF3C6" bordercolor="#FFF3C6"></td>
</tr>
<tr>
<td width="257" bgcolor="#FFF3C6" bordercolor="#FFF3C6">EmpNo.</td>
<td width="168" bgcolor="#FFF3C6" bordercolor="#FFF3C6">
<input type="text" name="empno" size="9" style="border: 1px solid #0000FF"></td>
<td bgcolor="#FFF3C6" bordercolor="#FFF3C6"></td>
</tr>
<tr>
// other codes are here.
</form>Here is my question.
As an eg: consider there is a record in the employee table as follows.
(1000, 810000000V, January,23,2004,permanent,005SA,0,400)
1) How to increment the empno by one and display that empno into the textbox in the AddEmp.jsp
page after the user clicks to enroll employee button in the mainform.
eg: 1000+1 = 1001
Because every employee has a unique empno. When a new employee come to the office, I want to
assign the next empno to that employee. This is the stuff I want to do.
Please can yo tell me a method to do this. I'm using mysql, jsp 1.2 with javabeans .
Thanks.
You should SELECT the last auto incremented key from the table, the one associated with the record you just inserted.
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I hope this helps
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URL: http://learndiscoverer.com
Blog: http://learndiscoverer.blogspot.com
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