Class EnumerableOperation

Inheritance

System.Object

EnumerableOperation

Namespace: Syncfusion.Blazor.Data

Assembly: Syncfusion.Blazor.dll

Syntax

public static class EnumerableOperation : Object

Methods

Execute(IEnumerable, DataManagerRequest)

Executes the query against the given data source and returns the resultant records.

Declaration

public static IEnumerable Execute(IEnumerable dataSource, DataManagerRequest manager)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Input data source against which the query to be executed.
DataManagerRequest	manager	Query to be executed.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable - resultant records.

PerformFiltering(IEnumerable, List<WhereFilter>, String)

Apply the given filter criteria against the data source and returns the filtered records.

Declaration

public static IEnumerable PerformFiltering(IEnumerable dataSource, List<WhereFilter> whereFilter, string condition)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Data source to be filtered.
System.Collections.Generic.List<WhereFilter>	whereFilter	List of filter criteria.
System.String	condition	Filter merge condition. Value can be either AND or OR.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable - filtered records.

PerformGrouping(IEnumerable, List<String>)

Groups data source by the given list of column names.

Declaration

public static IEnumerable<GroupResult> PerformGrouping(IEnumerable dataSource, List<string> grouped)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Input data source to be grouped.
System.Collections.Generic.List<System.String>	grouped	List of column names by which rows will be grouped.

Returns

Type	Description
System.Collections.Generic.IEnumerable<GroupResult>	IEnumerable.

PerformSearching(IEnumerable, List<SearchFilter>)

Apply the given search criteria against the data source and returns the filtered records.

Declaration

public static IEnumerable PerformSearching(IEnumerable dataSource, List<SearchFilter> searchFilter)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Data source to be filtered.
System.Collections.Generic.List<SearchFilter>	searchFilter	List of search criteria.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable - searched records.

PerformSkip(IEnumerable, Int32)

Skip the given number of records from data source and returns the resultant records.

Declaration

public static IEnumerable PerformSkip(IEnumerable dataSource, int skip)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Input data source.
System.Int32	skip	Number of records to be skipped.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable.

PerformSorting(IEnumerable, List<Sort>)

Sorts the data source using the given sort descriptor and returns the sorted records.

Declaration

public static IEnumerable PerformSorting(IEnumerable dataSource, List<Sort> sortedColumns)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Data source to be sorted.
System.Collections.Generic.List<Sort>	sortedColumns	List of sort criteria.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable - sorted records.

PerformSorting(IEnumerable, List<SortedColumn>, Type)

Sorts the data source using the given sort descriptor and returns the sorted records.

Declaration

public static IEnumerable PerformSorting(IEnumerable dataSource, List<SortedColumn> sortedColumns, Type sourceType = null)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Data source to be sorted.
System.Collections.Generic.List<SortedColumn>	sortedColumns	List of sort criteria.
System.Type	sourceType	Specifies the source type.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable - sorted records.

PerformTake(IEnumerable, Int32)

Take the given number of records from data source.

Declaration

public static IEnumerable PerformTake(IEnumerable dataSource, int take)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Input data source.
System.Int32	take	Number of records to be taken.

Returns

Type	Description
System.Collections.IEnumerable	IEnumerable.

PredicateBuilder(IEnumerable, List<WhereFilter>, String, ParameterExpression, Type)

Generates predicate with the given filter criteria.

Declaration

public static Expression PredicateBuilder(IEnumerable dataSource, List<WhereFilter> whereFilter, string condition, ParameterExpression paramExpression, Type type)

Parameters

Type	Name	Description
System.Collections.IEnumerable	dataSource	Input data source.
System.Collections.Generic.List<WhereFilter>	whereFilter	List of filter criteria.
System.String	condition	Value can be either AND or OR.
System.Linq.Expressions.ParameterExpression	paramExpression	Parameter expression.
System.Type	type	Specifies the source type.

Returns

Type	Description
System.Linq.Expressions.Expression	Expression.