The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLAdding a new rowLet us see how to add a new row into the Items table using LINQ to SQL classes, andpopulate the FILESTREAM column. Listing 4-11 shows the C# code to do this.static void SaveItem(){Item itm = new Item();itm.ItemDescription = "Microsoft Mouse";itm.ItemGuid = System.Guid.NewGuid();System.Data.Linq.Binary img;img = new System.Data.Linq.Binary(System.IO.File.ReadAllBytes("c:\\temp\\MicrosoftMouse.jpg"));itm.ItemImage = img;itm.ItemNumber = "IT001";}NorthPoleDBDataContext db = new NorthPoleDBDataContext();db.Items.InsertOnSubmit(itm);db.SubmitChanges();db.Dispose();Listing 4-11:Adding a new row using LINQ to SQL.Querying FILESTREAM data using LINQ to SQLThe final step in this lab is to see how to query and retrieve FILESTREAM data usingLINQ to SQL classes. Listing 4-12 searches for an item with a specific item number andretrieves the FILESTREAM value associated with the row.162