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Data Grid
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Paging and Scrolling
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Filtering and Sorting
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Row Drag & Drop
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Selection
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Columns
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Templates
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Data Summaries
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Master-Detail
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Export to Excel
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Adaptability
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Pivot Grid
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Data Binding
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Field Chooser
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Features
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Export to Excel
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Tree List
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Column Customization
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Scheduler
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Views
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Features
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Customization
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Html Editor
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Chat
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Diagram
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Featured Shapes
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Document Capabilities
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Charts
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Resizable
If you want to enable live resize operations for a UI element, wrap that element into a Resizable widget. In this demo, you can resize the DataGrid. Try to drag the handles on the grid's edges.
Configure the following properties to specify resize operation constraints:
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Backend API
x
@using DevExtreme.MVC.Demos.Models
@model IEnumerable<Order>
<div class="widget-container">
<div class="dx-fieldset">
<div class="dx-fieldset-header">Resizable DataGrid</div>
<div class="dx-field">
@(Html.DevExtreme().Resizable()
.ID("gridContainer")
.MinWidth(400)
.MinHeight(150)
.MaxHeight(370)
.Area(".widget-container .dx-field")
.Content(Html.DevExtreme().DataGrid<Order>()
.ID("grid")
.DataSource(Model, new[] { "ID" })
.ShowBorders(true)
.Height("100%")
.Paging(p => p.PageSize(8))
.Scrolling(s => s.Mode(GridScrollingMode.Virtual))
.Columns(columns => {
columns.AddFor(m => m.OrderNumber)
.AllowGrouping(false)
.Width(130);
columns.AddFor(m => m.CustomerStoreCity);
columns.AddFor(m => m.CustomerStoreState);
columns.AddFor(m => m.Employee);
columns.AddFor(m => m.OrderDate);
columns.AddFor(m => m.SaleAmount)
.Format(Format.Currency);
})
.ToString()
)
)
</div>
</div>
</div>
<div class="options">
<div class="caption">Resizable Options</div>
<div class="option">
<div>Handles</div>
@(Html.DevExtreme().TagBox()
.InputAttr("aria-label", "Behavior")
.Items(new[] { "left", "top", "right", "bottom" })
.Value(new[] { "left", "top", "right", "bottom" })
.OnValueChanged("handlesChanged")
)
</div>
<div class="option">
@(Html.DevExtreme().CheckBox()
.Text("Keep aspect ratio")
.Value(true)
.OnValueChanged("keepAspectRatioChanged")
)
</div>
</div>
<script>
const allHandles = ["left", "top", "right", "bottom"];
function keepAspectRatioChanged(e) {
const resizable = $("#gridContainer").dxResizable('instance');
resizable.option('keepAspectRatio', e.value);
}
function handlesChanged({ value }) {
const resizable = $("#gridContainer").dxResizable('instance');
const resizableClasses = allHandles.reduce((classes, handle) => {
const newClass = value.includes(handle) ? '' : ` no-${handle}-handle`;
return classes + newClass;
}, '');
resizable.option({
handles: value.join(" "),
elementAttr: {
class: resizableClasses
}
});
}
</script>
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You can display resize handles on edges or corners. Use the following keywords to set up the handles property: top, bottom, left, and right. If you specify two adjacent sides (for example, "bottom right"), the control displays a handle in the corner.
The keepAspectRatio property specifies whether a corner handle resizes content proportionally. Set this property to false to allow free-form resize operations.