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LINQ and Dynamic Predicate Construction at Runtime

, 13 Aug 2008 CPOL
Illustrating a multi-predicate injection pattern now possible with the new features of C# 3.0.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ComponentModel;

namespace LINQDynamicSearchDemo {
    public partial class Employee : INotifyPropertyChanging, INotifyPropertyChanged {
        /// <summary>
        /// this actually doesn't need to be here, 
        /// I just used it so that I could generate the 
        /// list of columns on the GridView faster by 
        /// binding an ObjectDataSource to this datatype, 
        /// hooking it up, refreshing the schema, and then deleteing it.
        /// </summary>
        /// <returns></returns>
        public static IQueryable<Employee> GetAll() {
            var ctx = Config.GetCurrentContext();

            return ctx.Employees;

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About the Author


United States United States
Dave works all day, and stays up all night coding and reading, surfing the intertubes.

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