Demos
Grid(Vue)
Editing
PlaceHolders

Editing Placeholder (Vue)

The FlexGrid control support showPlaceHolders property which specify the control should use the column headers as placeholders when editing cells.

The default value for this property is false.

This property only works with the grid's built-in editor. If you are using custom editors (see the Column.editor property), then you are responsible for setting the placeholder property on those.

The Internet Explorer browser does not show input placeholders on focused input elements, so this property is not useful in IE.

The grid also allows user customize the content of place holder of column by setting column.placeholder. See the 'Country' column in the sample for example.

Learn about FlexGrid | FlexGrid API Reference

This example uses Vue.

JavaScript
Angular
Vue
React
app.vue
index.html
Copy to CodeMine
<template>
    <div class="container-fluid">
        <!-- the grid -->
        <wj-flex-grid :showPlaceholders=true :itemsSource="data" :initialized="initializeGrid">
            <wj-flex-grid-column binding="id" header="ID" :width=50 :isReadOnly=true></wj-flex-grid-column>
            <wj-flex-grid-column binding="country" header="Country" placeholder="Please input the country" :isRequired=false></wj-flex-grid-column>
            <wj-flex-grid-column binding="sales" header="Sales" format="n2" :isRequired=false></wj-flex-grid-column>
            <wj-flex-grid-column binding="expenses" header="Expenses" format="n2"></wj-flex-grid-column>
            <wj-flex-grid-column binding="overdue" header="Overdue" :width=160>
            </wj-flex-grid-column>
        </wj-flex-grid>
    </div>
</template>

<script setup>
import { ref } from "vue";

const data = ref(null);

function initializeGrid() {
    data.value = _getData();
}

function _getData() {
    // create some random data
    let countries = "US,Germany,UK,Japan,Italy,Greece".split(","),
        data = [];
    for (let i = 0; i < countries.length; i++) {
        data.push({
            id: i,
            country: countries[i],
            sales: Math.random() * 10000,
            expenses: Math.random() * 5000,
            overdue: i % 4 == 0,
        });
    }

    return data;
}
</script>

<style>
.wj-flexgrid {
    max-height: 220px;
    margin: 10px;
}

.wj-cell.wj-group {
    border: none;
}

.wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) {
    background-color: white;
}

body {
    margin-bottom: 24px;
}
</style>
<template> <div class="container-fluid"> <!-- the grid --> <wj-flex-grid :showPlaceholders=true :itemsSource="data" :initialized="initializeGrid"> <wj-flex-grid-column binding="id" header="ID" :width=50 :isReadOnly=true></wj-flex-grid-column> <wj-flex-grid-column binding="country" header="Country" placeholder="Please input the country" :isRequired=false></wj-flex-grid-column> <wj-flex-grid-column binding="sales" header="Sales" format="n2" :isRequired=false></wj-flex-grid-column> <wj-flex-grid-column binding="expenses" header="Expenses" format="n2"></wj-flex-grid-column> <wj-flex-grid-column binding="overdue" header="Overdue" :width=160> </wj-flex-grid-column> </wj-flex-grid> </div> </template> <script setup> import { ref } from "vue"; const data = ref(null); function initializeGrid() { data.value = _getData(); } function _getData() { // create some random data let countries = "US,Germany,UK,Japan,Italy,Greece".split(","), data = []; for (let i = 0; i < countries.length; i++) { data.push({ id: i, country: countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0, }); } return data; } </script> <style> .wj-flexgrid { max-height: 220px; margin: 10px; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; } body { margin-bottom: 24px; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Editing</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="compiler.js" type="module"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.js'); </script> </head> <body> <div id="app"> </div> </body> </html>
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' }, '*.vue': { loader: '../plugin-vue/index.js' } //'*.vue': { loader: 'systemjs-plugin-vue' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 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'npm:@mescius/wijmo.vue2.barcode.common/index.js', '@mescius/wijmo.vue2.barcode.composite': 'npm:@mescius/wijmo.vue2.barcode.composite/index.js', '@mescius/wijmo.vue2.barcode.specialized': 'npm:@mescius/wijmo.vue2.barcode.specialized/index.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'jszip': 'npm:jszip/dist/jszip.js', 'css': 'npm:systemjs-plugin-css/css.js', 'vue': 'npm:vue/dist/vue.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', '@vue/compiler-dom':'npm:@vue/compiler-dom/dist/compiler-dom.global.prod.js', '@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', 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'@vue/runtime-dom':'npm:@vue/runtime-dom/dist/runtime-dom.global.prod.js', '@vue/shared':'npm:@vue/shared/dist/shared.cjs.js', 'vue-loader': 'npm:systemjs-vue-browser/index.js', //'systemjs-plugin-vue': 'npm:systemjs-plugin-vue/index.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'js' }, rxjs: { defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);