Ranadheer Reddy Ranadheer Reddy - 1 day ago 4
C# Question

Serialize multiple objects

My serialization code is like this..

public class slab
{
public int lowerlimit {get; set;}
public int upperlimit { get; set; }
public int percentage { get; set; }

}

public class Details
{
static void Main(string[] args)
{
slab s= new slab();
s.lowerlimit = 0;
s.upperlimit = 200000;
s.percentage = 0;
XmlSerializer serializer = new XmlSerializer(s.GetType());
StreamWriter writer = new StreamWriter(@"filepath");
serializer.Serialize(writer.BaseStream, s);
}
}


it's working fine and I am getting output file as:

<?xml version="1.0"?>
<slab xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<lowerlimit>0</lowerlimit>
<upperlimit>200000</upperlimit>
<percentage>0</percentage>
</slab>


But how can I serialize more than one objects? I would like to get an output file as

<slabs>
<slab>
<lowerlimit>0</lowerlimit>
<upperlimit>200000</upperlimit>
<percentage>0</percentage>
</slab>
<slab>
<lowerlimit>200000</lowerlimit>
<upperlimit>500000</upperlimit>
<percentage>10</percentage>
</slab>
<slab>
<lowerlimit>500000</lowerlimit>
<upperlimit>1000000</upperlimit>
<percentage>20</percentage>
</slab>
<slab>
<lowerlimit>1000000</lowerlimit>
<upperlimit>0</upperlimit>
<percentage>30</percentage>
</slab>
</slabs>

Answer

Actually the desired output format is not valid XML, as an XML file always requires a single root element. You could put your slabs into a list (List<Slab> slabs = new List<Slab>();) and serialize that, but you'll probably get output like that:

<slabs>
    <slab>
    <lowerlimit>0</lowerlimit>
    <upperlimit>200000</upperlimit>
    <percentage>0</percentage>
    </slab>

    <slab>
    <lowerlimit>200000</lowerlimit>
    <upperlimit>500000</upperlimit>
    <percentage>10</percentage>
    </slab>

    <slab>
    <lowerlimit>500000</lowerlimit>
    <upperlimit>1000000</upperlimit>
    <percentage>20</percentage>
    </slab>

    <slab>
    <lowerlimit>1000000</lowerlimit>
    <upperlimit>0</upperlimit>
    <percentage>30</percentage>
    </slab>
</slabs>

EDIT
Another way of serializing could be this, telling the serializer more about the root element:

List<Slab> slabs = new List<Slab>();
slabs.Add(...);

XmlSerializer serializer = new XmlSerializer(slabs.GetType(), new XmlRootAttribute("slabs"));
StreamWriter writer = new StreamWriter(@"filepath");
serializer.Serialize(writer.BaseStream, slabs);
Comments