Merge branch 'master' of https://github.com/PoweredSoft/DynamicLinq

README.md

@@ -117,3 +117,42 @@ var result = queryable.ToListAsync().Result;
 var first = result.FirstOrDefault() as Author;
 Assert.AreEqual(first?.FirstName, "David");
 ```
+
+### How it can be used in a web api
+
+```csharp
+[HttpGet][Route("FindClients")]
+public IHttpActionResult FindClients(string filterField = null, string filterValue = null, 
+string sortProperty = "Id", int? page = null, int pageSize = 50)
+{
+    var ctx = new MyDbContext();
+    var query = ctx.Clients.AsQueryable();
+
+    if (!string.IsNullOrEmpty(filterField) && !string.IsNullOrEmpty(filterValue))
+	query = query.Query(t => t.Contains(filterField, filterValue)).OrderBy(sortProperty);
+
+    //  count.
+    var clientCount = query.Count();
+    int? pages = null;
+
+    if (page.HasValue && pageSize > 0)
+    {
+	if (clientCount == 0)
+	    pages = 0;
+	else
+	    pages = clientCount / pageSize + (clientCount % pageSize != 0 ? 1 : 0);
+    }
+
+    if (page.HasValue)
+	query = query.Skip((page.Value-1) * pageSize).Take(pageSize);
+
+    var clients = query.ToList();
+
+    return Ok(new
+    {
+	total = clientCount,
+	pages = pages,
+	data = clients
+    });
+}
+```