public void ProcessRequest(HttpContext context)
{
string sortField = context.Request.Params["sidx"];
SortDirection sortDirection = context.Request.Params["sord"] == "desc" ? SortDirection.Descending : SortDirection.Ascending;
int pageIndex = Convert.ToInt32(context.Request.Params["page"]) - 1;
int pageSize = Convert.ToInt32(context.Request.Params["rows"]);
int totalRecords = itemDao.GetTotalRecordCount();
IEnumerable <Item> items =
itemDao.FindAllPagedSorted(pageIndex * pageSize, pageSize, sortDirection, sortField);
StringBuilder sb = new StringBuilder("{");
sb.Append(string.Format("\"page\": {0},", pageIndex + 1));
sb.Append(string.Format("\"total\": {0},", (int)Math.Ceiling((float)totalRecords / (float)pageSize)));
sb.Append(string.Format("\"records\": {0},", totalRecords));
sb.Append(string.Format("\"rows\":["));
foreach (Item item in items)
{//'Наименование','Остаток','Заказ','Производитель','Упаковка','Срок годности','Цена 1','Цена 2','Цена 3'],
sb.Append("{" + string.Format("\"i\": \"{0}\", \"cell\":[\"{1}\", \"{2}\",\"{3}\",\"{4}\",\"{5}\",\"{6}\",\"{7}\",\"{8}\"]",
item.Id, item.Name.Replace("\"", "\\\""), item.Rest, item.Manufacter.Replace("\"", "\\\""), item.Pack, item.Date, item.Price1, item.Price2, item.Price3) + "},");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("]}");
context.Response.ContentType = "application/json";
context.Response.Write(sb.ToString());
//, text/javascript, */*
}