Highest Voted 'predicatebuilder' Questions

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Hazelcast Predicate/SqlPredicate on Map of HashMap

I have a Hazelcast Map of HashMap as values as I have shown below. HazelcastInstance client = HazelcastClient.newHazelcastClient(clientConfig); IMap> imap = client.getMap("users"); HashMap value = new…

hazelcast hazelcast-imap predicatebuilder

asked Mar 12 '19 at 06:00

NPS

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1 answer

Dynamically build a predicate for a nullable enum

I'm trying to build a search predicate dynamically but I'm having a little issue with nullable enums in my class. This is my class and enum structure: public class TestNullableEnumClass { public TestingEnum? TestEn { get; set; } } public enum…

c# lambda predicate predicatebuilder

asked Jan 22 '18 at 16:29

Sun

4,458
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Manuel Expression Builder contains doesnt work because of null value in list

var people = new[] { new myUserListObject { userobj = new User { Email = "test@gmail.com"},Session=3 }, new myUserListObject { userobj= new User { Email = null }, Session=4} }; var peopList =…

c# lambda expression predicate predicatebuilder

asked Dec 12 '17 at 08:57

TnasuH

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1 answer

Building a Linq to EF query to a variable list of keywords in a variable number of columns?

I am trying to come up with a utility method to build a Linq Query or Linq Predicate to add to an Linq to EF query to do search for all terms in a list of terms in a variable number of columns. I am trying to use PredicateBuilder to build the where…

c# entity-framework linq predicatebuilder

asked Nov 20 '17 at 19:55

John S

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3 answers

C# Predicate Builder not working

I am trying to use predicate builder in the following code: public ListResults GetAccountDetail(string[] salesForceKey) { try { using (var c = new SalesForceDataContext()) { …

c# predicatebuilder

asked Jan 13 '11 at 22:54

Andrew Lambrecht

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1 answer

Trying to join tables with predicate builder

I have two tables that I want to join using predicate builder. In pseudo code, I want to return all StudentSchedule rows, joining with Student on StudentId, where StudentLastName = "Smith". public class Student { int StudentId {get;set;} …

c# linq predicatebuilder predicates

asked Sep 01 '17 at 14:41

Amanda_Panda

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Using PredicateBuilder to build query searching across multiple columns of Entity

I have a list of field names. I am trying to build a predicate to look in the fields to see if they contain the search term. I have gone done the path listed in this original question but do not understand how to do a Contains instead of a…

c# entity-framework expression-trees predicatebuilder

asked Apr 28 '17 at 16:49

John S

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LINQ to SQL - PredicateBuilder

Quick question on how to get even more out of PredicateBuilder. It works as per below: IQueryable SearchProducts (params string[] keywords) { var predicate = PredicateBuilder.False(); foreach (string keyword in keywords) { …

c# linq-to-sql predicatebuilder

asked Oct 28 '10 at 01:49

qnr

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How can I build a LINQ predicate/dynamic.LINQ query based off grid filtering when the grid properties don't have the entity properties?

I have a grid passing me filters. So I may have an object like: var filter = new Filter(){ Member = "Titles", Operator = Filter.Operators.IsEqualTo, Value = "Developer" }; Then I need to take this and extend an IQueryable so to do that, I…

c# linq dynamic-linq predicatebuilder

asked Oct 06 '16 at 22:10

SventoryMang

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Concatenate string members using Linq PredicateBuilder for text search

I have a REST WebAPI using EntityFramework database first. All code is generated off the EDMX file, entities, repository classes and API controllers etc. I have added some filtering functionality which allows users to add conditions via the query…

c# entity-framework linq predicatebuilder

asked Jul 03 '16 at 08:07

pstep

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Dynamically Building a nested Predicate

I am trying to dynamically build predicates, from an xml string which is formatted as the following as an example: (ContainsValue) …

c# .net xml linq predicatebuilder

asked Jun 08 '16 at 22:22

Naz Ekin

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3 answers

How do I dynamically construct a predicate method from an expression tree?

Here's the scenario: Silverlight 4.0, DataGrid, PagedCollectionView itemssource. The objective is to apply a Filter to the PCV. The filter needs to be a Predicate

Questions tagged [predicatebuilder]

Hazelcast Predicate/SqlPredicate on Map of HashMap

Dynamically build a predicate for a nullable enum

Manuel Expression Builder contains doesnt work because of null value in list

Building a Linq to EF query to a variable list of keywords in a variable number of columns?

C# Predicate Builder not working

Trying to join tables with predicate builder

Using PredicateBuilder to build query searching across multiple columns of Entity

LINQ to SQL - PredicateBuilder

How can I build a LINQ predicate/dynamic.LINQ query based off grid filtering when the grid properties don't have the entity properties?

Concatenate string members using Linq PredicateBuilder for text search

Dynamically Building a nested Predicate

How do I dynamically construct a predicate method from an expression tree?

How can I combine PredicateBuilder predicates?

Weird SQL using Entity Framework

Fluent, NHibernate, and PredicateBuilder