/// <summary>
/// 把指定的实体列表中的数据完全转换到一个 DataTable 中。
/// </summary>
/// <param name="list"></param>
/// <returns></returns>
public static DataTable ToDataTable(this EntityList list)
{
DataTable table = new DataTable();
//找到属性容器
var container = list.GetRepository().EntityMeta.ManagedProperties;
var properties = container.GetCompiledProperties();
foreach (var property in properties)
{
//table.Columns.Add(property.Name, property.PropertyType);
table.Columns.Add(property.Name, TypeHelper.IgnoreNullable(property.PropertyType));
}
list.EachNode(item =>
{
var row = table.NewRow();
for (int j = 0, c2 = properties.Count; j < c2; j++)
{
var property = properties[j];
var value = item.GetProperty(property);
row[j] = value ?? DBNull.Value;
}
table.Rows.Add(row);
return(false);
});
return(table);
}
/// <summary>
/// 保存某个实体列表。
/// </summary>
/// <param name="entityList">The entity list.</param>
public static void Save(EntityList entityList)
{
entityList.GetRepository().Save(entityList);
}
private static Entity FindOrCreate(EntityList list, JObject jEntity)
{
var id = TryGetId(jEntity);
Entity child = null;
if (id != null)
{
child = list.Find(id, true);
}
if (child == null)
{
child = list.GetRepository().New();
list.Add(child);
}
return child;
}
