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Multiple Filed Binding with form Object

 
Smruti Ranjan
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Posts: 5
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Hi

I am new to Spring MVC using spring 3.0. I have requirement. I have a field called mobile number which is a text box. I should provide an option to the user to add n number of mobile numbers, what i meant is there should be a button on click of which there should be another text field to be shown which accepts another mobile number. Can you please suggest the approach for implementing it in jsp, form binding and validating using Spring MVC.

Regards,
Smruti
 
Jhakda Velu
Ranch Hand
Posts: 167
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You would need some script to add the fields on click of button and assign an id to it. You may look at these posts for further help

Page with dynamic fields
Another Example

 
Smruti Ranjan
Greenhorn
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Hi,

Thanks for your response. I am getting an error can you help to resolve
Following is the jsp code

<c:forEach items="${form.sourceLocation}" var="source"
varStatus="status">
<tr>
<td align="center">${status.count}</td>
<td><form:input path="sourceLocation[${status.index}].selectedLocation"/></td>
</tr>
</c:forEach>

Following is the form class

public class form {
private List<Location> sourceLocation;
public List<Location> getSourceLocation() {
return sourceLocation;
}
public void setSourceLocation(List<Location> sourceLocation) {
this.sourceLocation = sourceLocation;
}
}

followign the Location class
public class Location {
private String selectedLocation;
public Location() {
}
public Location(String selectedLocation) {
this.selectedLocation = selectedLocation;
}
public String getSelectedLocation() {
return selectedLocation;
}
public void setSelectedLocation(String selectedLocation) {
this.selectedLocation = selectedLocation;
}

}

I am getting below error

org.springframework.beans.NotReadablePropertyException: Invalid property 'sourceLocation0' of bean class [demo.form]: Bean property 'sourceLocation0' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?

As per my analysis the property should be sourceLocation[0] instead on sourceLocation0. I went ahead and did a view source of page following is the content to which jstl form:input tag as converted to html

<td><input id="sourceLocation0.selectedLocation" name="sourceLocation0.selectedLocation" type="text" value=""/></td>

if i replace jsp with regular html input tag as below every thing works fine

<td><input name="sourceLocation[${status.index}].selectedLocation" value="${source.selectedLocation}" /></td>

Can you please suggest.

Thanks & Regards,
Smruti Ranjan




 
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