Tutorials

Getting Started

Query with OR operators

In this article, you will learn how to build queries that contain both AND and OR operators.

Previous versions' tutorials (obsolete)

This section contains the tutorials that we written for older versions of EasyQuery and most probably are obsolete now.

Operator class

Represents a logical expression or predicate, like comparisions or LIKE predicate.

Operator class

Represents a logical expression or "predicate". For example: "less than", "is equal to", "starts with".

Operator class

Represents a logical expression or "predicate". For example: "less than", "is equal to", "starts with".

Getting started for WPF

You will be able to apply EasyQuery WPF to your application, performing all the instructions in this article

Getting started for Silverlight

This article will guide you through all steps necessary to apply EasyQuery.NET to your application, with extract examples

Operators page

This article defines operators which can be used in conditions (such as 'is equal to', 'less than' and others).

Getting started for WPF

Getting started tutorial on how to use EasyQuery components to implement an ad-hoc query builder in WPF application.

Query with a subquery

How to build queries with subqueries using EasyQuery.

Getting started for Windows Forms

This article shows how to apply EasyQuery.NET to your application

Create a query with sub-query by code

Example with code

Getting started for Windows Forms

Here we will describe how to add the UI for advanced search and data filtration in your Windows Forms application.

ASP.NET Core tutorials

This section contains all getting started articles for the version 5.x branch of EasyQuery for .NET Core. Please note if you have a project for .NET Framework (version 4.x or earlier) - please look at the articles in [$$-Version 3.x-$$](/$aid/eqdn-6f1z3hf0ml4u) section.

Common SQL queries

Query.Error class

Query exception class.

Query class

Represents internal query structure.

Getting started for ASP.NET WebForms

Here you can find the instructions how to add EasyQuery components into your ASP.NET WebForms project