Features

仮想スクロール

仮想スクロール

機能

説明

このサンプルは、グリッドを仮想スクロールモードにする方法を示します。

この機能を有効にするには、DisableServerReadプロパティがfalse(デフォルト)である必要があります。
次に、InitialItemsCountプロパティに0より大きい数字を設定する必要があります。

using MultiRowExplorer.Models;
using Microsoft.AspNetCore.Mvc;
using C1.Web.Mvc;
using C1.Web.Mvc.Serialization;


namespace MultiRowExplorer.Controllers
{
    public partial class MultiRowController : Controller
    {
        //
        // GET: /VirtualScrolling/

        public ActionResult VirtualScrolling()
        {
            return View();
        }

        public ActionResult VirtualScrolling_Bind([C1JsonRequest] CollectionViewRequest<Sale> requestData)
        {
            return this.C1Json(CollectionViewHelper.Read(requestData, Sale.GetData(100000)));
        }
    }
}
@model IEnumerable<Sale>

<c1-multi-row id="virtualScrollingMultiRow" class="multirow" is-read-only="true">
    <c1-items-source initial-items-count="100" read-action-url="@Url.Action("VirtualScrolling_Bind")"></c1-items-source>
    <c1-multi-row-cell-group>
        <c1-multi-row-cell binding="ID"></c1-multi-row-cell>
        <c1-multi-row-cell binding="Active"></c1-multi-row-cell>
    </c1-multi-row-cell-group>
    <c1-multi-row-cell-group>
        <c1-multi-row-cell binding="Start"></c1-multi-row-cell>
        <c1-multi-row-cell binding="End"></c1-multi-row-cell>
    </c1-multi-row-cell-group>
    <c1-multi-row-cell-group colspan="2">
        <c1-multi-row-cell binding="Country" colspan="2"></c1-multi-row-cell>
        <c1-multi-row-cell binding="Product"></c1-multi-row-cell>
        <c1-multi-row-cell binding="Color"></c1-multi-row-cell>
    </c1-multi-row-cell-group>
    <c1-multi-row-cell-group colspan="2">
        <c1-multi-row-cell binding="Amount"></c1-multi-row-cell>
        <c1-multi-row-cell binding="Amount2"></c1-multi-row-cell>
        <c1-multi-row-cell binding="Discount" colspan="2"></c1-multi-row-cell>
    </c1-multi-row-cell-group>
</c1-multi-row>

@section Description{
<p>@Html.Raw(MultiRowRes.VirtualScrolling_Text0)</p>

<p>@Html.Raw(MultiRowRes.VirtualScrolling_Text1)</p>

}