Tutorials

Using parameters in query conditions

This article explains how to work with parameterized conditions.

Previous versions' tutorials (obsolete)

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

Navigate through query conditions

A code snippet which demonstrates how to run through all conditions in your query

How to add an extra condition to your query

Two possible ways of resolving this task

Condition class

Represents one condition in the query.

Query with OR operators

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

Query with a subquery

How to build queries with subqueries using EasyQuery.

Condition.LinkType enum

Represents type of linking of conditions in group

Condition class

Represents one condition in the query.

Create a query with sub-query by code

Example with code

Condition class

Represents one condition in the query.

TableLink.Condition class

Represents linking condition

Common SQL queries

Query.Error class

Query exception class.

Query class

Represents internal query structure.

Adding columns and conditions with code

Example of code for adding columns and conditions

Query with table joins

An example of query which require to define a table join(s) in case of using SQL. It's much more simple with EasyQuery.

Query class

Represents internal query structure.

Store queries in a database

Here we describe the case when all users of some web application create their own queries and would like to store those queries in some database.