Pagination server side
Efficiently handle and display huge datasets by implementing server-side pagination, reducing load times and improving performance.
Example
Id
Name
Category
Price Retail
Status
1
Generic Concrete Pizza
Sports
463.16
in-stock
2
Sleek Granite Computer
Sports
286.58
in-stock
3
Gorgeous Steel Chicken
Sports
14.94
in-stock
4
Modern Ceramic Cheese
Clothing
358.83
in-stock
5
Tasty Concrete Ball
Home & Garden
57.13
in-stock
6
Practical Cotton Chicken
Clothing
345.04
in-stock
7
Intelligent Bronze Mouse
Electronics
910.28
discontinued
8
Soft Cotton Chicken
Beauty
450.26
in-stock
9
Tasty Wooden Salad
Beauty
214.6
in-stock
10
Ergonomic Steel Keyboard
Beauty
141.71
in-stock
Per page:
Showing
1
to
10
of 1000 rows
{
"page": 1,
"pageSize": 10,
"pageSizes": [
10,
20,
50,
100
],
"pageCount": 100
}
{#each datagrid.columns.getLeafColumnsInOrder() as column}
{@render LeafHeader(column)}
{/each}
{#each datagrid.rows.getPaginatedRows() as row}
{#if !row.isGroupRow()}
{#each datagrid.columns.getLeafColumnsInOrder() as column}
{@render RenderBodyCell(column, row)}
{/each}
{:else}{/if}
{/each}
Per page:
Showing
{(datagrid.features.pagination.page - 1) * datagrid.features.pagination.pageSize + 1}
to
{Math.min(
datagrid.features.pagination.page * datagrid.features.pagination.pageSize,
data.totalCount
)}
of {data.totalCount} rows
{JSON.stringify(
{
page: datagrid.features.pagination.page,
pageSize: datagrid.features.pagination.pageSize,
pageSizes: datagrid.features.pagination.pageSizes,
pageCount: datagrid.features.pagination.pageCount
},
null,
2
)}
{getCellContent(column, row.original)}
{/snippet}
{#snippet LeafHeader(column: LeafColumn)}
{#if column.isVisible()}
{column.header}
+Page.ts example
import { inventoryData } from "$lib/data/data-storage.svelte.js";
import { error } from '@sveltejs/kit';
// Helper function to add sleep (delay)
const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
export const load = async ({ url, params }) => {
try {
// Sleep for 100ms before proceeding
await sleep(1000);
// Pagination logic for inventory
const page = Number(url.searchParams.get('page') || 1);
const pageSize = Number(url.searchParams.get('pageSize') || 10);
const totalInventory = inventoryData;
const startIndex = (page - 1) * pageSize;
const endIndex = startIndex + pageSize;
return {
inventory: totalInventory.slice(startIndex, endIndex),
totalCount: totalInventory.length,
currentPage: page,
pageSize: pageSize,
};
} catch (e) {
console.error(e);
error(404, 'something went wrong');
}
};