IDateEditSettings.WeekNumberRule Property

Specifies the first week of the year.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

[DefaultValue(WeekNumberRule.Default)]
[Parameter]
WeekNumberRule WeekNumberRule { get; set; }

Property Value

Type	Default	Description
WeekNumberRule	Default

An enumeration value.

Available values:

Name	Description
Default

Specified by the system’s CalendarWeekRule property.

| | FirstDay |

The week that contains the 1st of January.

| | FirstFullWeek |

The first full week.

| | FirstFourDayWeek |

The first week that has a majority (4 or more) of its days in January.

Remarks

Date editor displays week numbers on the left side of the drop-down calendar. Use the WeekNumberRule property to change the first week of the year at runtime. To specify the first week of the year in markup, use the DxDateEditSettings.WeekNumberRule property.

The IDateEditSettings interface allows you to get and customize settings of a date editor at runtime. You can get editor settings in the following ways:

Call the GetColumnEditSettings method to get editor settings of the column bound to the specified data source field.
Handle the CustomizeFilterRowEditor event to customize a cell editor in the filter row.

csharp

void Grid_CustomizeFilterRowEditor(GridCustomizeFilterRowEditorEventArgs e) {
    if(e.EditSettings is IDateEditSettings dateEditSettings)
        dateEditSettings.WeekNumberRule = WeekNumberRule.FirstFullWeek;
}

Handle the CustomizeDataRowEditor event to customize a cell editor in a data row.

csharp

void Grid_CustomizeDataRowEditor(GridCustomizeDataRowEditorEventArgs e) {
    if(e.EditSettings is IDateEditSettings dateEditSettings)
        dateEditSettings.WeekNumberRule = WeekNumberRule.FirstFullWeek;
}