public static DataTable ExecuteProc(string aProcName, string aParams)
        {
            var p = new Dictionary<string, string>();
              string pattern = @"(@\w+)\s*=\s*(\{.*?\})";
            foreach (Match m in Regex.Matches(aParams, pattern))
                p.Add(m.Groups[1].Value, m.Groups[2].Value);
            string connString = ConnectionStringRegistryRead();
            using (SqlConnection conn = new SqlConnection(connString))
            {
                conn.Open();
                var proc = new SqlCommand(aProcName, conn);
                proc.CommandTimeout = 0;
                proc.CommandType = CommandType.StoredProcedure;
                foreach (var pair in p)
                    proc.Parameters.Add(pair.Key, SqlDbType.NVarChar, -1).Value = pair.Value;
                var dt = new DataTable("Results");
                var da = new SqlDataAdapter(proc);
                da.Fill(dt);
                return dt;
            }
        }