setParameter method
Implementation
void setParameter(int index,int fieldValue1, int fieldValue2)
{
if(index == 1)
{
param = "countryId=$fieldValue1";
} else if(index == 2)
{
param = "stateId=$fieldValue1";
} else if(index == 3)
{
param = "districtId=$fieldValue1+&stateId=$fieldValue2";
}
}