public static void TestConnection()
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "DB文件|*.db";
openFile.ShowDialog();
var dbFile = openFile.FileName;
var DBRoot = new SqlDB(dbFile);
var helper = DBRoot.CreateHelper();
string dbName = "TestImageDB";
//OpenFileDialog open = new OpenFileDialog();
//open.Filter = "";
//open.ShowDialog();
//var img = Image.FromFile(open.FileName);
//var ms = new MemoryStream();
//img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
//var buffer = new byte[ms.Length];
//ms.Position = 0;
//ms.Read(buffer, 0, buffer.Length);
//savePicture(DBRoot.SQLiteConnection, buffer, dbName);
//var str = Convert.ToBase64String(buffer);
//helper.ExecuteQuery(string.Format("insert into {0} values('6','Ming','{1}')", dbName, str));
var reader = helper.ExecuteQuery(string.Format("select * from {0} where ID != 0", dbName));
if (reader.Read())
{
//int x = reader.GetOrdinal("data");
//int size = 50 * 1024 * 1024;
//var buffer = new byte[size];
//var blod = reader.GetBytes(x, 0, buffer, 0, size);
//var bda = new byte[blod];
//Array.Copy(buffer, bda, blod);
////buffer.CopyTo(bda, 0);
//File.WriteAllBytes("dlImag33333333e.png", bda);
//var blod = reader.GetString(x);
//var blod = reader.GetBlob(x, false);
//var boldStr = blod.ToString();
//var pngBD = Convert.FromBase64String(blod);
//File.WriteAllBytes("dlImage.png", pngBD);
//int x = reader.get
}
//File.WriteAllText("img", str);
//var bs = File.ReadAllText("img");
//var pngBD = Convert.FromBase64String(bs);
//File.WriteAllBytes("new.png", pngBD);
}