SqlCeEngine engine = new SqlCeEngine(connString);
engine.CreateDatabase();
engine.Dispose();
SqlCeConnection conn = new SqlCeConnection(connString);
conn.Open();
SqlCeCommand cmd = conn.CreateCommand();
cmd.CommandText = "CREATE TABLE BlobTable(name nvarchar(128), blob ntext);";
cmd.ExecuteNonQuery();
cmd.CommandText = "INSERT INTO BlobTable(name, blob) VALUES (@name, @blob);";
SqlCeParameter paramName = cmd.Parameters.Add("name", SqlDbType.NVarChar, 128);
SqlCeParameter paramBlob = cmd.Parameters.Add("blob", SqlDbType.NText);
paramName.Value = "Name1";
paramBlob.Value = "Name1".PadLeft(4001);
cmd.ExecuteNonQuery();