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dotnet-api
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C1.AspNetCore.Mvc Assembly
- C1.JsonNet
- C1.JsonNet.Converters
- C1.Util.Licensing
- C1.Web.Mvc
- C1.Web.Mvc.Barcode
- C1.Web.Mvc.Chart
- C1.Web.Mvc.CollectionView
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C1.Web.Mvc.Fluent
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Classes
- AccordionBuilder
- AccordionPaneBuilder
- AnnotationBaseBuilder<TControl, TBuilder>
- AnnotationLayerBuilder<T>
- AnnotationLayerExtension
- AutoCompleteBaseBuilder<T, TControl, TBuilder>
- AutoCompleteBuilder<T>
- AutoGridGroupBuilder
- AutoGridLayoutBuilder
- AutoGridTileBuilder
- AxisGroupsOptionsBuilder
- BarcodeBaseBuilder<TControl, TBuilder>
- BaseBuilder<TObject, TBuilder>
- BaseCollectionViewServiceBuilder<T, TControl, TBuilder>
- BaseODataCollectionViewServiceBuilder<T, TControl, TBuilder>
- BasicBundlesBuilder
- BooleanCheckerBuilder<T>
- BooleanCheckerExtension
- BoxWhiskerBuilder<T>
- BreakEvenBuilder<T>
- BreakEvenStylesBuilder
- BulletGraphBuilder
- BundlesBuilder
- CalculatedFieldBuilder
- CalendarBuilder
- CellTemplateBuilder
- CellTemplateHandler
- ChartAnimationBuilder<T>
- ChartAnimationExtension
- ChartAxisBuilder<T>
- ChartExtensionBundlesBuilder
- ChartGesturesBuilder<T>
- ChartGesturesExtension
- ChartLegendBuilder
- ChartSeriesBaseBuilder<T, TControl, TBuilder>
- ChartSeriesBuilder<T>
- ChartTooltipBuilder
- CircleBuilder
- CodabarBuilder
- Code128Builder
- Code39Builder
- Code49Builder
- Code93Builder
- CollectionViewNavigatorBuilder
- CollectionViewServiceBuilder<T>
- ColorPickerBuilder
- ColorScaleBuilder
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ColumnBaseBuilder<TControl, TBuilder>
- Constructors
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Methods
- Aggregate
- Align
- AllowDragging
- AllowMerging
- AllowResizing
- AllowSorting
- Binding
- CellTemplate
- CollapseTo
- ColumnGroups
- Columns
- CssClass
- CssClassAll
- DataMap
- DataMapEditor
- DataType
- DropDownCssClass
- Editor
- Format
- Header
- Height
- InputType
- IsCollapsed
- IsContentHtml
- IsReadOnly
- IsRequired
- IsSelected
- Mask
- MaxLength
- MaxWidth
- MinWidth
- MultiLine
- Name
- Placeholder
- QuickAutoSize
- SortMemberPath
- SortOrder
- Template
- TemplateFunction
- Visible
- Width
- WordWrap
- ColumnBuilder
- ColumnFilterBuilder
- ColumnFiltersBuilder
- ComboBoxBaseBuilder<T, TControl, TBuilder>
- ComboBoxBuilder<T>
- ComponentBuilder<TControl, TBuilder>
- ControlBuilderFactory
- ControlBuilderFactory<TModel>
- ControlBuilder<TControl, TBuilder>
- DashboardLayoutBuilder
- DataLabelBaseBuilder<TControl, TBuilder>
- DataLabelBuilder
- DataMapBuilder
- DataMatrixBaseBuilder<TControl, TBuilder>
- DataMatrixEcc000Builder
- DataMatrixEcc200Builder
- DataPointBuilder
- DropDownBuilder<TControl, TBuilder>
- DropDownBuilder<T, TControl, TBuilder>
- Ean13Builder
- Ean8Builder
- EanBaseBuilder<TControl, TBuilder>
- EllipseBuilder
- ErrorBarBuilder<T>
- ErrorTooltipBuilder
- ExtraMapLayerBuilder<T, TControl, TBuilder>
- ExtraOptionsBuilder
- ExtraSeriesBuilder<T, TControl, TBuilder>
- FileManagerBuilder
- FlexChartBaseBuilder<T, TControl, TBuilder>
- FlexChartBuilder<T>
- FlexChartCoreBuilder<T, TControl, TBuilder>
- FlexGridBaseBuilder<T, TControl, TBuilder>
- FlexGridBuilder<T>
- FlexGridDetailProviderBuilder<T>
- FlexGridDetailProviderExtension
- FlexGridFilterBuilder<T>
- FlexGridFilterExtension
- FlexGridGroupPanelBuilder<T>
- FlexGridGroupPanelExtension
- FlexGridSearchBuilder
- FlexMapBuilder<T>
- FlexPieBaseBuilder<T, TControl, TBuilder>
- FlexPieBuilder<T>
- FlexRadarBuilder<T>
- FlexRadarSeriesBuilder<T>
- FlowLayoutBuilder
- FlowTileBuilder
- FormInputBaseBuilder<TControl, TBuilder>
- FunctionSeriesBuilder<T, TControl, TBuilder>
- FunnelOptionsBuilder
- GaugeBuilder<TControl, TBuilder>
- GeoGridLayerBuilder<T>
- GeoMapLayerBuilder<T>
- GridExtensionBundlesBuilder
- GridLayoutBuilder<TControl, TBuilder>
- GridTileBuilder<TControl, TBuilder>
- GroupBuilder<TControl, TBuilder>
- Gs1DataBarBaseBuilder<TControl, TBuilder>
- Gs1DataBarExpandedBuilder
- Gs1DataBarExpandedStackedBuilder
- Gs1DataBarLimitedBuilder
- Gs1DataBarOmnidirectionalBuilder
- Gs1DataBarStackedBuilder
- Gs1DataBarStackedOmnidirectionalBuilder
- Gs1DataBarTruncatedBuilder
- Gs1_128Builder
- HeaderTemplateBuilder
- HeaderTemplateCellBuilder
- HtmlHelperExtension
- IHtmlStringExtension
- ImageBuilder
- InputBaseBuilder<TControl, TBuilder>
- InputColorBuilder
- InputDateBaseBuilder<TControl, TBuilder>
- InputDateBuilder
- InputDateRangeBuilder
- InputDateTimeBuilder
- InputMaskBuilder
- InputNumberBuilder
- InputTimeBuilder<T>
- Interleaved2of5Builder
- ItemsBoundControlBuilder<T, TControl, TBuilder>
- Itf14Builder
- JapanesePostalBuilder
- LayoutBaseBuilder<TControl, TBuilder>
- LineBuilder
- LineMarkerBuilder<T>
- LineMarkerExtension
- LinearGaugeBaseBuilder<TControl, TBuilder>
- LinearGaugeBuilder
- ListBoxBuilder<T>
- ListItemFactory<TItem, TItemBuilder>
- ManualGridGroupBuilder
- ManualGridLayoutBuilder
- ManualGridTileBuilder
- MapLayerBaseBuilder<T, TControl, TBuilder>
- MapLayerListBaseFactory<T, TOwner, TMapLayer>
- MapLayerListFactory<T, TOwner, TMapLayer>
- MenuBaseBuilder<T, TControl, TBuilder>
- MenuBuilder
- MenuCommandBuilder
- MenuItemBuilder
- MenuItemFactory
- MicroPdf417Builder
- MovingAverageBuilder<T>
- MultiAutoCompleteBuilder<T>
- MultiSelectBuilder<T>
- MultiSelectListBoxBuilder<T>
- ODataCollectionViewServiceBuilder<T>
- ODataVirtualCollectionViewServiceBuilder<T>
- PagerBuilder
- ParametricFunctionSeriesBuilder<T>
- Pdf417Builder
- PieDataLabelBuilder
- PlotAreaBuilder
- PlotAreaListFactory<T, TOwner, PlotArea, PlotAreaBuilder>
- PolygonBuilder
- PopupBuilder
- PropertyGroupDescriptionBuilder
- QrCodeBuilder
- RadialGaugeBuilder
- RangeBuilder
- RangeSelectorBuilder<T>
- RangeSelectorExtension
- RectangleBuilder
- SVGStyleBuilder
- ScatterMapLayerBuilder<T>
- ScriptsBuilder
- SelectorBaseBuilder<T, TControl, TBuilder>
- SelectorBuilder<T>
- SelectorExtension
- SeriesListBaseFactory<T, TOwner, TSeries, TSeriesBuilder, TChartType>
- SeriesListFactory<T, TOwner, TSeries, TSeriesBuilder, TChartType>
- ServiceBuilder<TControl, TBuilder>
- ShapeBuilder<TControl, TBuilder>
- SortDescriptionBuilder
- SplitGroupBuilder
- SplitLayoutBuilder
- SplitLayoutItemFactoryBuilder
- SplitTileBuilder
- SquareBuilder
- StepOptionsBuilder
- StylesBuilder
- SunburstBuilder<T>
- TabBuilder
- TabPanelBuilder
- TextBuilder
- TileBuilder<TControl, TBuilder>
- TitleStyleBuilder
- TooltipBaseBuilder<TControl, TBuilder>
- TreeMapBuilder<T>
- TreeMapItemStyleBuilder
- TreeViewBuilder
- TrendLineBaseBuilder<T, TControl, TBuilder>
- TrendLineBuilder<T>
- UpcABuilder
- UpcBaseBuilder<TControl, TBuilder>
- UpcE0Builder
- UpcE1Builder
- ValueFilterBuilder
- WaterfallBuilder<T>
- WaterfallStylesBuilder
- YFunctionSeriesBuilder<T>
- Interfaces
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Classes
- C1.Web.Mvc.Grid
- C1.Web.Mvc.GridDetail
- C1.Web.Mvc.Serialization
- C1.Web.Mvc.TagHelpers
- C1.Web.Mvc.TagHelpers.Input
- Microsoft.AspNetCore.Builder
- Microsoft.AspNetCore.Mvc
- C1.AspNetCore.Mvc.Finance Assembly
- C1.AspNetCore.Mvc.FlexSheet Assembly
- C1.AspNetCore.Mvc.FlexViewer Assembly
- C1.AspNetCore.Mvc.MultiRow Assembly
- C1.AspNetCore.Mvc.Olap Assembly
- C1.AspNetCore.Mvc.TransposedGrid Assembly
- C1.AspNetCore.Mvc.TransposedMultiRow Assembly
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C1.AspNetCore.Mvc Assembly
C1.Web.Mvc.Fluent.ColumnBaseBuilder-2.IsRequired
IsRequired Method
IsRequired(bool?)
Configurates IsRequired. Sets a value that determines whether values in the column are required.
Declaration
public TBuilder IsRequired(bool? value)Public Function IsRequired(value As Boolean?) As TBuilderParameters
| Type | Name | Description |
|---|---|---|
| bool? | value | The value. |
Returns
| Type | Description |
|---|---|
| TBuilder | Current builder. |
Remarks
By default, this property is set to null, which means values are required, but string columns may contain empty strings. When set to true, values are required and empty strings are not allowed. When set to false, null values and empty strings are allowed.