/// <summary>
/// Gets properties of T
/// </summary>
public static IEnumerable <PropertyInfo> GetProperties <T>(BindingFlags binding, PropertyReflectionOptions options = PropertyReflectionOptions.All)
{
var properties = typeof(T).GetProperties(binding);
bool all = (options & PropertyReflectionOptions.All) != 0;
bool ignoreIndexer = (options & PropertyReflectionOptions.IgnoreIndexer) != 0;
bool ignoreEnumerable = (options & PropertyReflectionOptions.IgnoreEnumerable) != 0;
foreach (var property in properties)
{
if (!all)
{
if (ignoreIndexer && IsIndexer(property))
{
continue;
}
if (ignoreIndexer && !property.PropertyType.Equals(typeof(string)) && IsEnumerable(property))
{
continue;
}
}
yield return(property);
}
}
/// <summary>
/// Create DataTable from entity list.
/// </summary>
public static DataTable ToDataTable <T>(this IEnumerable <T> source, List <string> propertyOrder = null)
{
DataTable table = new DataTable();
BindingFlags binding = BindingFlags.Public | BindingFlags.Instance | BindingFlags.GetProperty;
PropertyReflectionOptions options = PropertyReflectionOptions.IgnoreEnumerable |
PropertyReflectionOptions.IgnoreIndexer;
Type stringType = typeof(string);
List <PropertyInfo> properties = ReflectionUtility.GetProperties <T>(binding, options)
.Where(p => p.PropertyType == stringType || !p.PropertyType.IsClass)
.ToList();
if (propertyOrder != null)
{
properties = properties.Where(p => propertyOrder.Contains(p.Name)).ToList();
properties = propertyOrder.Join(properties,
k => k,
m => m.Name,
(k, i) => i)
.ToList();
}
foreach (PropertyInfo property in properties)
{
if (property.PropertyType.IsGenericType &&
property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
Type nestedNullableType = property.PropertyType.GetGenericArguments()[0];
table.Columns.Add(property.Name, nestedNullableType);
}
else if (property.PropertyType.IsEnum)
{
table.Columns.Add(property.Name, typeof(int));
}
else
{
table.Columns.Add(property.Name, property.PropertyType);
}
}
foreach (T item in source)
{
List <object> rowValues = new List <object>();
for (int i = 0; i < properties.Count; i++)
{
object propValue = properties[i].GetValue(item, null);
if (propValue == null)
{
rowValues.Add(DBNull.Value);
}
else if (properties[i].PropertyType.IsEnum)
{
rowValues.Add((int)propValue);
}
else
{
rowValues.Add(propValue);
}
}
table.Rows.Add(rowValues.ToArray());
}
return(table);
}
