Class FilterCondition

Represents a class for FilterCondition and is a child of a RecordFilterDescriptor with filter criteria for displaying only a subset of records from the underlying datasource. FilterCondition elements are stored in a collection that is returned by the Conditions property of a RecordFilterDescriptor.

Inheritance
System.Object
ShouldSerializeBasedPersisterType
DescriptorBase
FilterCondition
Implements
System.ComponentModel.ICustomTypeDescriptor
System.IDisposable
System.ICloneable
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Syncfusion.Grouping
Assembly: Syncfusion.Grouping.Base.dll
Syntax
public class FilterCondition : DescriptorBase, ICustomTypeDescriptor, IDisposable, ICloneable

Constructors

FilterCondition()

Initializes a new empty condition.

Declaration
public FilterCondition()

FilterCondition(FilterCompareOperator, Object)

Initializes a new condition with comparison operator and comparison value.

Declaration
public FilterCondition(FilterCompareOperator compareOperator, object compareValue)
Parameters
Type Name Description
FilterCompareOperator compareOperator

The comparison operator.
System.Object compareValue

The comparison value.

Properties

Collection

The collection this descriptor belongs to.

Declaration
public FilterConditionCollection Collection { get; }
Property Value
Type Description
FilterConditionCollection

CompareOperator

The comparison operator.

Declaration
public FilterCompareOperator CompareOperator { get; set; }
Property Value
Type Description
FilterCompareOperator

CompareText

The comparison text.

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

CompareValue

The comparison value.

Declaration
public object CompareValue { get; set; }
Property Value
Type Description
System.Object

CustomFilter

An ICustomFilter if FilterCompareOperator.Custom was specified as CompareOperator.

Declaration
public ICustomFilter CustomFilter { get; set; }
Property Value
Type Description
ICustomFilter

FilterDescriptor

The RecordFilterDescriptor this condition belongs to.

Declaration
public RecordFilterDescriptor FilterDescriptor { get; }
Property Value
Type Description
RecordFilterDescriptor

Methods

Clone()

Creates a copy of this object.

Declaration
public virtual FilterCondition Clone()
Returns
Type Description
FilterCondition

A copy of this object.

CompareRecord(Record)

Evaluates this condition for the given record and returns True if the record meets the condition.

Declaration
public bool CompareRecord(Record record)
Parameters
Type Name Description
Record record

The record to be evaluated.
Returns
Type Description
System.Boolean

True if the record meets the condition; False otherwise.

CompareRecordFilterBar(Record, FieldDescriptor)

Evaluates this condition for the given record and returns True if the record meets the condition.

Declaration
public bool CompareRecordFilterBar(Record record, FieldDescriptor filterBarFieldDescriptor)
Parameters
Type Name Description
Record record

The record to be evaluated.
FieldDescriptor filterBarFieldDescriptor

If the underlying FilterDescriptor of this condition is the same as filterBarFieldDescriptor, this method will return True.
Returns
Type Description
System.Boolean

True if the record meets the condition; False otherwise.

CopyAllMembersTo(FilterCondition)

Used to copy all the members.

Declaration
protected void CopyAllMembersTo(FilterCondition condition)
Parameters
Type Name Description
FilterCondition condition

Dispose(Boolean)

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing
Overrides

Equals(Object)

Determines whether the specified object is equal to the current object.

Declaration
public override bool Equals(object obj)
Parameters
Type Name Description
System.Object obj

The object to compare.
Returns
Type Description
System.Boolean

True if the specified object is equal to the current object; otherwise, false.
Overrides
System.Object.Equals(System.Object)

GetHashCode()

Serves as a hash function for a particular type.

Declaration
public override int GetHashCode()
Returns
Type Description
System.Int32

A hash code.
Overrides
System.Object.GetHashCode()

GetName()

Determines the name of this object.

Declaration
public override string GetName()
Returns
Type Description
System.String

Object name.
Overrides

InitializeFrom(FilterCondition)

Initializes this object and copies properties from another object. PropertyChanging and PropertyChanged events are raised for every property that is modified. If both objects are equal, no events are raised.

Declaration
public void InitializeFrom(FilterCondition other)
Parameters
Type Name Description
FilterCondition other

The source object.

OnPropertyChanged(DescriptorPropertyChangedEventArgs)

Raises the PropertyChanged event.

Declaration
protected virtual void OnPropertyChanged(DescriptorPropertyChangedEventArgs e)
Parameters
Type Name Description
DescriptorPropertyChangedEventArgs e

A DescriptorPropertyChangedEventArgs that contains the event data.

OnPropertyChanging(DescriptorPropertyChangedEventArgs)

Raises the PropertyChanging event.

Declaration
protected virtual void OnPropertyChanging(DescriptorPropertyChangedEventArgs e)
Parameters
Type Name Description
DescriptorPropertyChangedEventArgs e

A DescriptorPropertyChangedEventArgs that contains the event data.

Events

PropertyChanged

Occurs when a property is changed.

Declaration
public event DescriptorPropertyChangedEventHandler PropertyChanged
Event Type
Type Description
DescriptorPropertyChangedEventHandler

PropertyChanging

Occurs before a property is changed.

Declaration
public event DescriptorPropertyChangedEventHandler PropertyChanging
Event Type
Type Description
DescriptorPropertyChangedEventHandler

Explicit Interface Implementations

ICloneable.Clone()

Declaration
object ICloneable.Clone()
Returns
Type Description
System.Object

Implements

System.ComponentModel.ICustomTypeDescriptor
System.IDisposable
System.ICloneable