multiple forms data within sigle JSP page

HI,
I want to display data from 2 different dynaActionFrom.That means my main screen contains multiple buttons. In that when i press address button, i have to populate master records data and 2(REG and COR buttons) more buttons. when i press REG button , i have to populate child's Register address in a table in same JSP similarly for COR button(for this correspondense adrress).

My struts-config file is..
<form-beans >
<form-bean name="clientListForm" type="com.avox.struts.form.ClientListForm" />
<form-bean name="ButtonsForm" type="org.apache.struts.action.DynaActionForm">
<form-property name="addresses" type="java.util.ArrayList" />
<form-property name="names" type="java.util.ArrayList" />
<form-property name="urls" type="java.util.ArrayList" />
</form-bean>
<form-bean name="AddressForm" type="org.apache.struts.action.DynaActionForm">
<form-property name="regaddress" type="java.util.ArrayList" />
<form-property name="coraddress" type="java.util.ArrayList" />
<action
attribute="ButtonsForm"
input="/jsp/clientList.jsp"
name="ButtonsForm"
parameter="method"
path="/ButtonsAction"
scope="request"
type="com.avox.struts.action.ButtonsAction">
<forward
name="button_address"
path="/jsp/buttons/Address.jsp"
contextRelative="true" />
<forward
name="button_name"
path="/jsp/buttons/Name.jsp"
contextRelative="true" />
<forward
name="button_urls"
path="/jsp/buttons/Reg.jsp"
contextRelative="true" />
<action
attribute="AddressForm"
input="/jsp/buttons/Address.jsp"
name="AddressForm"
parameter="method"
path="/AddressAction"
scope="request"
unknown="false"
type="com.avox.struts.action.AddressAction">
<forward
name="button_correspondence"
path="/jsp/buttons/Address.jsp"
contextRelative="true" />
<forward
name="button_register"
path="/jsp/buttons/Address.jsp"
contextRelative="true" />
</action>

Address.jsp
<body>
Master Address: <br><br>
<CENTER>
<table border="1" width="60%" rules="none">
<logic:empty name="ButtonsForm" property="maddress" >
<tr>
<td> NO Master Address Available</td>
</tr>
</logic:empty>
<logic:notEmpty name="ButtonsForm" property="maddress" >
<logic:iterate name="ButtonsForm" property="maddress" id="address" >
<tr>
<td><bean:write name="address" property="address" /></td>
</tr>
</logic:iterate>
</logic:notEmpty>
</table>
<br><br><br>
<html:form action="/AddressAction">
<TABLE border="0" width="60%">
<TR>

<TD align="center">
<html:submit property="method">
<bean:message key="button.register"/>
</html:submit>
</TD>
<TD align="center">
<html:submit property="method">
<bean:message key="button.correspondence"/>
</html:submit>
</TD>
</TR>
</TABLE>
</html:form>
</center>
Children Addresses:
<CENTER><br><br>

<table border="1" width="60%" rules="none">
<logic:empty name="AddressForm" property="addresses" >
<tr>
<td> NO Children Address Available</td>
</tr>
</logic:empty>
<logic:notEmpty name="AddressForm" property="addresses" >
<logic:iterate name="AddressForm" property="addresses" id="address" >
<tr>
<td><bean:write name="addresses" property="address" /></td>
</tr>
</logic:iterate>
</logic:notEmpty>
</table>

</CENTER>
</body>

Master address is working well when i press REG button iam getting error. i know that error meaning but i don't know how write code for that.how i can i populate data from 2 different beans.
could u please help me.

Thanks in advance