public static DynamicObject[] AutoSetPrimaryKey(this IEnumerable <DynamicObject> dataObject, Context ctx)
{
DynamicObject[] dataArray = dataObject.ToArray();
if (dataArray.Any())
{
var group = dataArray.Select(data => new { DataEntity = data, DataType = data.DynamicObjectType })
.GroupBy(a => a.DataType)
.Select(g => new { DataType = g.Key, DataArray = g.Select(a => a.DataEntity).ToArray() })
.ToList();
group.ForEach(g => DBServiceHelper.AutoSetPrimaryKey(ctx, g.DataArray, g.DataType));
} //end if
return(dataArray);
} //end method