May 9, 2012

CAML Query to Get Data from SharePoint List

To know about the Basics of the CAML query read this article.
To know about using CAML query builder to create CAML queries, read this article.
In this article, we will learn how to use CAML query in Microsoft Visual Studio
I have a custom list named “Product List” with the columns named Title, Price, Quantity and Is Available.
I want to retrieve the products with price greater than 1000 and lesser than 10000. Then I have to order the results depending upon the quantity in descending order.
Using the CAML query builder, I have created a CAML query for the above scenario and the query is as follows:
<Query><Where><And><Gt><FieldRef Name="Price" /><Value Type="Number">1000</Value></Gt><Leq><FieldRef Name="Price" /><Value Type="Number">10000</Value></Leq></And></Where><OrderBy><FieldRef Name="Price" Ascending="False" /></OrderBy></Query>

Implementing CAML Query in Microsoft Visual Studio
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SharePoint;

namespace UsingCAMLQuery
    class Program
        static void Main(string[] args)
            const string camlQuery = @"100010000";
                using (SPSite objSite = new SPSite("sitename"))
                    using (SPWeb objWeb = objSite.OpenWeb())
                        // Building a query
                        SPQuery query=new SPQuery();
                        // Retrieving the data from the List
                        SPList objList=objWeb.Lists["Product List"];
                        SPListItemCollection items= objList.GetItems(query);

                        // Prinitng the header
                        Console.WriteLine("{0,-25} {1,-20} {2,-15} {3}", "Title", "Price", "Qunatity", "Is Available");

                        foreach (SPListItem objListItem in items)
                            Console.WriteLine("{0,-25} {1,-20} {2,-25} {3}", objListItem["Title"], objListItem["Price"], 
                                                                             objListItem["Quantity"], objListItem["Is Available"]);

            catch (Exception ex)
                Console.WriteLine("Error Occured:", ex.Message);
The full solution can be downloaded from the following link
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