/// <summary>
/// 实例化视图模型。
/// </summary>
/// <param name="queryable">查询体。</param>
/// <param name="page">当前页。</param>
/// <param name="size">每页显示数量。</param>
public ViewModel(IQueryable <T> queryable, int page, int size)
{
if (page < 1)
{
throw new ArgumentException("不能小于1。", "page");
}
if (size < 1)
{
throw new ArgumentException("不能小于1。", "size");
}
ViewButtons = new IViewButton[0];
ItemButtons = new IItemButton[0];
CurrentSize = size;
PageSizeOption = Pagination.DefaultPageSizeOption;
Queryable = queryable ?? throw new ArgumentNullException("queryable");
}
/// <summary>
/// Initialize entity view model.
/// </summary>
/// <param name="queryable">Queryable of entity.</param>
/// <param name="page">Current page.</param>
/// <param name="size">Current page size.</param>
public EntityViewModel(IQueryable <T> queryable, int page, int size)
{
if (queryable == null)
{
throw new ArgumentNullException("queryable");
}
if (page < 1)
{
throw new ArgumentException("Can not less than 1.", "page");
}
if (size < 1)
{
throw new ArgumentException("Can not less than 1.", "size");
}
ViewButtons = new IViewButton[0];
ItemButtons = new IEntityViewButton[0];
CurrentSize = size;
PageSizeOption = Pagination.DefaultPageSizeOption;
Metadata = EntityDescriptor.GetMetadata <T>();
Queryable = queryable;
//UpdateTotalPage();
//SetPage(page);
}
