/// <summary>
/// Converts json string to dynamic object collections datatable.
/// </summary>
/// <param name="json">Json string to extend.</param>
/// <param name="type">The type.</param>
/// <param name="selectedFields">Selected fields.</param>
/// <param name="selectFieldsOnly">Whether to use select fields only.</param>
/// <returns>DataTable object</returns>
public static DataTable ToDynamicObjects(this string json, Type type, List <string> selectedFields, bool selectFieldsOnly)
{
var data = new DataTable();
JArray jarr = JArray.Parse(json);
bool columnsAdded = false;
foreach (JObject jobject in jarr.Children <JObject>())
{
var settings = new JsonSerializerSettings();
DeserializerExceptionsContractResolver resolver = DeserializerExceptionsContractResolver.Instance;
resolver.JsonObjectToDeserialize = jobject;
settings.ContractResolver = resolver;
object tempObject = JsonConvert.DeserializeObject(jobject.ToString(), type, settings);
var propertyDescriptors = new List <PropertyDescriptor>();
if (selectFieldsOnly)
{
if (selectedFields != null && selectedFields.Count > 0)
{
propertyDescriptors.AddRange(
TypeDescriptor.GetProperties(
tempObject.GetType()).Cast <PropertyDescriptor>().Where(property => selectedFields.Contains(property.Name)));
}
}
else
{
propertyDescriptors.AddRange(TypeDescriptor.GetProperties(tempObject.GetType()).Cast <PropertyDescriptor>());
}
if (!columnsAdded)
{
for (int i = 0; i < propertyDescriptors.Count; i++)
{
PropertyDescriptor prop = propertyDescriptors[i];
data.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
}
columnsAdded = true;
}
var values = new object[propertyDescriptors.Count];
for (int i = 0; i < values.Length; i++)
{
values[i] = propertyDescriptors[i].GetValue(tempObject);
}
data.Rows.Add(values);
}
return(data);
}
// Using an explicit static constructor enables lazy initialization.
static DeserializerExceptionsContractResolver()
{
instance = new DeserializerExceptionsContractResolver();
}
