GridContextMenuDefaultItemNames.AutoFitAll Field

The Auto Fit All Columns item’s name.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.2.dll

NuGet Package: DevExpress.Blazor

Declaration

public const string AutoFitAll = "AutoFitAll"

Field Value

Type	Description
String	The “AutoFitAll” string.

Remarks

Specify the ContextMenus property to display context menus for the following Grid elements:

Auto Fit All Columns is a Grid context menu item that adjusts column widths to their content. This item is available in the header context menu.

Note

The Auto Fit All Columns item is disabled if you activate horizontal virtual scrolling.

Use the AutoFitAll field to apply the following customizations:

• Access and customize the Auto Fit All Columns item
• Add this item to a context menu
• Remove the item from the header context menu

Example

The following code snippet adds the Auto Fit All Columns item to all context menus:

Razor

@inject WeatherForecastService ForecastService

<DxGrid Data="@Data" 
        ContextMenus="GridContextMenus.All"
        CustomizeContextMenu="CustomizeContextMenu">
    <Columns>
        <DxGridSelectionColumn />
        <DxGridDataColumn FieldName="Date" DisplayFormat="D" />
        <DxGridDataColumn FieldName="TemperatureC" Caption="@("Temp. (\x2103)")" Width="120px" />
        <DxGridDataColumn FieldName="TemperatureF" Caption="@("Temp. (\x2109)")" Width="120px" />
        <DxGridDataColumn FieldName="Forecast" />
        <DxGridDataColumn FieldName="CloudCover" />
    </Columns>
</DxGrid>

@code {
    object Data { get; set; }

    protected override void OnInitialized() {
        Data = ForecastService.GetForecast();
    }
    void CustomizeContextMenu(GridCustomizeContextMenuEventArgs args) {
        if (!args.Items.Contains(GridContextMenuDefaultItemNames.AutoFitAll))
            args.Items.Add(GridContextMenuDefaultItemNames.AutoFitAll);
    }
}

WeatherForecast

using System;

public class WeatherForecast {
    public DateTime Date { get; set; }
    public int TemperatureC { get; set; }
    public double TemperatureF => Math.Round((TemperatureC * 1.8 + 32), 2);
    public string Forecast { get; set; }
    public string CloudCover { get; set; }
    public bool Precipitation { get; set; }
}

WeatherForecastService

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

public class WeatherForecastService {
    private List<WeatherForecast> Forecast { get; set; }

    private static string[] CloudCover = new[] {
        "Sunny", "Partly cloudy", "Cloudy", "Storm"
    };

    Tuple<int, string>[] ConditionsForForecast = new Tuple<int, string>[] {
        Tuple.Create( 22 , "Hot"),
        Tuple.Create( 13 , "Warm"),
        Tuple.Create( 0 , "Cold"),
        Tuple.Create( -10 , "Freezing")
    };

    public WeatherForecastService() {
        Forecast = CreateForecast();
    }

    private List<WeatherForecast> CreateForecast() {
        var rng = new Random();
        DateTime startDate = DateTime.Now;
        return Enumerable.Range(1, 15).Select(index => {
            var temperatureC = rng.Next(-10, 30);
            return new WeatherForecast {
                Date = startDate.AddDays(index),               
                TemperatureC = temperatureC,
                CloudCover = CloudCover[rng.Next(0, 4)],
                Precipitation = Convert.ToBoolean(rng.Next(0, 2)),
                Forecast = ConditionsForForecast.First(c => c.Item1 <= temperatureC).Item2
            };
        }).ToList();
    }

    public IEnumerable<WeatherForecast> GetForecast() {
        return Forecast.ToArray();
    }
    // ...
}

Program.cs

// ...
builder.Services.AddSingleton<WeatherForecastService>();