SharePoint Solutions

/// <summary>
/// This function return items based on query
/// </summary>
/// <param name="strListName">list name</param>
/// <param name="queryXml">query xml</param>
/// <param name="folder path">folder path e.g "Source/folder1" </param>
/// <returns>XmlNode</returns>
public System.Xml.XmlNode GetItems(string strListName, string queryXml, string destinationFolderPath)
{
	Lists.Lists listReference = new Lists.Lists();
	string lookupId = string.Empty;
	try
	{
		listReference.Credentials = credentials;
		listReference.Url = settings.SiteUri.ToString().TrimEnd('/') + 
                                    "/_vti_bin/lists.asmx";
		System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument();
		System.Xml.XmlElement query = xmlDoc.CreateElement("Query");
		System.Xml.XmlElement viewFields = xmlDoc.CreateElement("ViewFields");
		System.Xml.XmlElement queryOptions = xmlDoc.CreateElement("QueryOptions");
		query.InnerXml = queryXml;
		viewFields.InnerXml = "<FieldRef Name="ID" />";
		queryOptions.InnerXml = "<Folder>" + destinationFolderPath + "</Folder>";
		System.Xml.XmlNode items;
		if (String.IsNullOrEmpty(destinationFolderPath))
			items = listReference.GetListItems(strListName, 
                                string.Empty, query, viewFields, string.Empty, null, null);
		else
			items = listReference.GetListItems(strListName, 
                                string.Empty, query, viewFields, string.Empty, queryOptions, null);
 
	   return items;
	}
	catch (Exception ex)
	{
		//exception
	}
	finally
	{
		if (listReference != null)
			listReference.Dispose();
	}
	return lookupId;
}