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Data Grids / Data Management
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Data Grid
- Overview
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Data Binding
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Filtering
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Editing
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Grouping
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Selection
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Scrolling
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Columns
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Data Summaries
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Export to Excel
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Data Binding
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Filtering
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Selection
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Keyboard Navigation
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Card View
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Data Binding
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Scrolling
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Filter Builder
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Data Visualization
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Common Concepts
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Axis
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Area Charts
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Bar Charts
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Diagram
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Related Demos:
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Data Grid - Focused Row
The DataGrid component can highlight the focused row. To enable this feature, set the focusedRowEnabled property to true.
To focus a row programmatically, specify the focusedRowKey property. The DataGrid automatically scrolls to the focused row if the autoNavigateToFocusedRow property is enabled. In the UI, users can click a row to focus it. The focused row is saved in the DataGrid's state.
You can use the onFocusedRowChanging or onFocusedRowChanged property to specify a custom function that is executed before or after a row is focused.
Backend API
@(Html.DevExtreme().DataGrid()
.DataSource(d => d.OData()
.Version(2)
.Url("https://js.devexpress.com/Demos/DevAV/odata/Tasks")
.Key("Task_ID")
.Expand("ResponsibleEmployee")
)
.DataSourceOptions(d => d.Select(new[] {
"Task_ID",
"Task_Subject",
"Task_Start_Date",
"Task_Status",
"Task_Description",
"Task_Completion",
"ResponsibleEmployee/Employee_Full_Name"
})
)
.Columns(columns => {
columns.Add()
.DataField("Task_ID")
.Width(80);
columns.Add()
.DataField("Task_Start_Date")
.Caption("Start Date")
.DataType(GridColumnDataType.Date);
columns.Add()
.DataField("ResponsibleEmployee.Employee_Full_Name")
.Caption("Assigned To")
.AllowSorting(false);
columns.Add()
.DataField("Task_Subject")
.Caption("Subject")
.Width(350);
columns.Add()
.DataField("Task_Status")
.Caption("Status");
})
.FocusedRowEnabled(true)
.FocusedRowKey(117)
.ShowBorders(true)
.Paging(p => p.PageSize(10))
.Pager(p => p.Visible(true))
.OnInitialized("onDataGridInitialized")
.OnFocusedRowChanging("onFocusedRowChanging")
.OnFocusedRowChanged("onFocusedRowChanged")
)
<div class="task-info">
<div class="info">
<div id="taskSubject"></div>
<p id="taskDetails"></p>
</div>
<div class="progress">
<span id="taskStatus"></span>
<span id="taskProgress"></span>
</div>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="options-container">
<div class="option">
<span>Focused Row Key</span>
@(Html.DevExtreme().NumberBox()
.Min(1)
.Max(183)
.Step(0)
.InputAttr("aria-label", "Focused Row Key")
.OnInitialized("onTaskIdEditorInitialized")
.OnValueChanged("onTaskIdEditorValueChanged")
)
</div>
<div class="option">
@(Html.DevExtreme().CheckBox()
.Text("Auto Navigate To Focused Row")
.Value(true)
.OnValueChanged("autoNavigateToFocusedRowChanged")
)
</div>
</div>
</div>
<script>
var dataGrid,
taskIdEditor;
function onTaskIdEditorInitialized(e) {
taskIdEditor = e.component;
}
function onTaskIdEditorValueChanged(e) {
if (e.event && e.value > 0) {
dataGrid.option("focusedRowKey", e.value);
}
}
function autoNavigateToFocusedRowChanged(e) {
dataGrid.option("autoNavigateToFocusedRow", e.value);
}
function onDataGridInitialized(e) {
dataGrid = e.component;
}
function onFocusedRowChanging(e) {
var rowsCount = e.component.getVisibleRows().length,
pageCount = e.component.pageCount(),
pageIndex = e.component.pageIndex(),
key = e.event && e.event.key;
if(key && e.prevRowIndex === e.newRowIndex) {
if(e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) {
e.component.pageIndex(pageIndex + 1).done(function() {
e.component.option("focusedRowIndex", 0);
});
} else if(e.newRowIndex === 0 && pageIndex > 0) {
e.component.pageIndex(pageIndex - 1).done(function() {
e.component.option("focusedRowIndex", rowsCount - 1);
});
}
}
}
function onFocusedRowChanged(e) {
const rowData = e.row && e.row.data;
$("#taskSubject").html(rowData && rowData.Task_Subject);
$("#taskDetails").html(rowData && rowData.Task_Description);
$("#taskStatus").html(rowData && rowData.Task_Status);
var progress = rowData && rowData.Task_Completion ? rowData.Task_Completion + "%" : "";
$("#taskProgress").text(progress);
taskIdEditor.option("value", e.component.option("focusedRowKey"));
}
</script>
using DevExtreme.NETCore.Demos.Models;
using DevExtreme.NETCore.Demos.Models.DataGrid;
using DevExtreme.NETCore.Demos.Models.SampleData;
using Microsoft.AspNetCore.Mvc;
using System.Linq;
namespace DevExtreme.NETCore.Demos.Controllers {
public class DataGridController : Controller {
public ActionResult FocusedRow() {
return View();
}
}
}
.task-info {
font-family: Segoe UI;
min-height: 200px;
display: flex;
flex-wrap: nowrap;
border: 2px solid rgba(0, 0, 0, 0.1);
padding: 16px;
box-sizing: border-box;
align-items: baseline;
justify-content: space-between;
}
#taskSubject {
line-height: 29px;
font-size: 18px;
font-weight: bold;
}
#taskDetails {
line-height: 22px;
font-size: 14px;
margin-top: 0;
margin-bottom: 0;
}
.progress {
display: flex;
flex-direction: column;
white-space: pre;
min-width: 105px;
}
.info {
margin-right: 40px;
}
#taskProgress {
line-height: 42px;
font-size: 40px;
font-weight: bold;
}
.options {
margin-top: 20px;
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: relative;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
margin-right: 40px;
display: inline-block;
}
.option:last-child {
margin-right: 0;
}
.option > .dx-numberbox {
width: 200px;
display: inline-block;
vertical-align: middle;
}
.option > span {
margin-right: 10px;
}
.options-container {
display: flex;
align-items: center;
}
In this demo, the row with the 117
key is focused initially. You can specify the focusedRowKey
and autoNavigateToFocusedRow
properties via the input field and the checkbox below the DataGrid.