Class PredicateBuilder

Inheritance

object

PredicateBuilder

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Namespace: System.Linq

Assembly: Volo.Abp.Core.dll

Syntax

public static class PredicateBuilder

Methods

And<T>(Expression<Func<T, bool>>, Expression<Func<T, bool>>)

Declaration

public static Expression<Func<T, bool>> And<T>(this Expression<Func<T, bool>> expr1, Expression<Func<T, bool>> expr2)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	expr1
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	expr2

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>

Type Parameters

Name	Description
T

Extend<T>(Expression<Func<T, bool>>, Expression<Func<T, bool>>, PredicateOperator)

Declaration

public static Expression<Func<T, bool>> Extend<T>(this Expression<Func<T, bool>> first, Expression<Func<T, bool>> second, PredicateOperator @operator = PredicateOperator.Or)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	first
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	second
PredicateOperator	operator

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>

Type Parameters

Name	Description
T

Extend<T>(ExpressionStarter<T>, Expression<Func<T, bool>>, PredicateOperator)

Declaration

public static Expression<Func<T, bool>> Extend<T>(this ExpressionStarter<T> first, Expression<Func<T, bool>> second, PredicateOperator @operator = PredicateOperator.Or)

Parameters

Type	Name	Description
ExpressionStarter<T>	first
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	second
PredicateOperator	operator

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>

Type Parameters

Name	Description
T

New<T>(bool)

Declaration

public static ExpressionStarter<T> New<T>(bool defaultExpression)

Parameters

Type	Name	Description
bool	defaultExpression

Returns

Type	Description
ExpressionStarter<T>

Type Parameters

Name	Description
T

New<T>(Expression<Func<T, bool>>?)

Declaration

public static ExpressionStarter<T> New<T>(Expression<Func<T, bool>>? expr = null)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	expr

Returns

Type	Description
ExpressionStarter<T>

Type Parameters

Name	Description
T

Or<T>(Expression<Func<T, bool>>, Expression<Func<T, bool>>)

Declaration

public static Expression<Func<T, bool>> Or<T>(this Expression<Func<T, bool>> expr1, Expression<Func<T, bool>> expr2)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	expr1
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>	expr2

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate><System.Func<T, TResult><T, bool>>

Type Parameters

Name	Description
T