Class FilterDialogOpeningEventArgs

Provides information about the FilterDialogOpening event.

Inheritance
System.Object
GridEventBaseArgs
FilterDialogOpeningEventArgs
Inherited Members
Namespace: Syncfusion.Blazor.Grids
Assembly: Syncfusion.Blazor.dll
Syntax
public class FilterDialogOpeningEventArgs : GridEventBaseArgs

Constructors

FilterDialogOpeningEventArgs()

Declaration
public FilterDialogOpeningEventArgs()

Properties

Cancel

Gets or sets a value indicating whether to cancel the filter dialog opening action in the grid.

Declaration
public bool Cancel { get; set; }
Property Value
Type Description
System.Boolean

The default value is false. If the Cancel property is set to true, then the filter dialog does not opened in the grid.

CheckboxListData

Gets or sets the custom data source for CheckBox and Excel filter.

Declaration
public IEnumerable<object> CheckboxListData { get; set; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.Object>

An IEnumerable collection of objects that serve as the custom data source for the Checkbox and Excel filter types in grid, By default the value is null

ColumnName

Gets the Field name of the column which is associated with filtering.

Declaration
public string ColumnName { get; }
Property Value
Type Description
System.String

The field name of the column which is associated with filtering.

FilterChoiceCount

Gets or sets the number of items to be displayed in the filter popup for CheckBox and Excel filters.

Declaration
public int FilterChoiceCount { get; set; }
Property Value
Type Description
System.Int32

The number of items to be displayed in the filter popup. The default value is 0.
Remarks

If this property value is greater than 0, the filter popup will display the specified number of items. Otherwise, 1000 records will be displayed in the filter popup.

FilterOperators

Gets or sets the custom filter operators for Menu filter .

Declaration
public List<IFilterOperator> FilterOperators { get; set; }
Property Value
Type Description
System.Collections.Generic.List<IFilterOperator>

A list of IFilterOperator that represent the custom filter operators. By default, the value is null.
Examples
<SfGrid TValue="Order" AllowFiltering="true" AllowPaging="true" DataSource="@Orders">
   <GridEvents FilterDialogOpening="FilterDialogOpeningHandler" TValue="Order"></GridEvents>
  <GridFilterSettings Type="Syncfusion.Blazor.Grids.FilterType.Menu"></GridFilterSettings>
   . . .
</SfGrid>
@code {
   private SfGrid<Order> Grid;
   public List<Order> Orders { get; set; }
   public async Task FilterDialogOpeningHandler(FilterDialogOpeningEventArgs args)
   {
      if (args.ColumnName == "OrderDate")//Specify Field name
      {
           args.FilterOperators = CustomerIDOperator;
       }
   }
   public class Operators: IFilterOperator
   {
       public Syncfusion.Blazor.Operator Value { get; set; }
       public string Text { get; set; }
   }
   List<IFilterOperator> CustomerIDOperator = new List<IFilterOperator> {
   new Operators() { Text = "Equal", Value = Syncfusion.Blazor.Operator.Equal },
   new Operators() { Text = "Contains", Value = Syncfusion.Blazor.Operator.Contains },
   new Operators() { Text = "Greater/Equal(Between)", Value = Syncfusion.Blazor.Operator.GreaterThanOrEqual}
   };                
}