SQL格式錯誤

Question

我得到了一個插入國家查詢一些代碼，我需要將其更改爲參數，但我收到此錯誤： 請確保所有領域都在正確的格式（數字字段[0- 9]，日期[dd/mm/yyyy]

創建國家時我輸入了正確的格式，所以我不知道爲什麼會出現這個錯誤原始的sql查詢被註釋掉了，所以你可以看到我做了修改。

public static int InsertCountry(int Company_ID, string CountryISO, string CountryName, int Currency, int IsActive, int CreatedByUser, string CountryCode, string Operator, string TransitTime, string Departures, string ImportOperator, string ImportTransitTime, string ImportDepartures, decimal? SECAAmt, decimal? SECAPer) 
      { 
       int ID = -1; 
       string sql = "proc_InsertCoutnry"; 

       using (MySql.Data.MySqlClient.MySqlConnection conn = new MySql.Data.MySqlClient.MySqlConnection(DataUtils.ConnectionStrings["TAT"])) 
       { 
        conn.Open(); 
        using (MySql.Data.MySqlClient.MySqlCommand cmd = new MySql.Data.MySqlClient.MySqlCommand(sql, conn)) 
        { 
         cmd.CommandType = CommandType.Text; 
         /* cmd.CommandText = "INSERT INTO countries (Company_ID, CountryISO,CountryName,CurrencyID,IsActive,CreatedByUser,CreatedDate,ModifiedByUser,ModifiedDate,CountryCode,Operator,TransitTime,Departures,ImportOperator,ImportTransitTime,ImportDepartures, SECAAmt, SECAPercent) " + 
              "VALUES(" + Company_ID + ", '" + CountryISO.Replace("'", "''") + "', '" + CountryName.Replace("'", "''") + "'," + Currency + ", " + IsActive + "," + CreatedByUser + ",NOW()," + CreatedByUser + ",NOW(),'" + CountryCode.Replace("'", "''") + "','" + Operator.Replace("'", "''") + "','" + TransitTime.Replace("'", "''") + "','" + Departures.Replace("'", "''") + "','" + ImportOperator.Replace("'", "''") + "','" + ImportTransitTime.Replace("'", "''") + "','" + ImportDepartures.Replace("'", "''") + "', ?SECAAmt, ?SECAPer);SELECT LAST_INSERT_ID();"; */ 

         cmd.CommandText = @"INSERT INTO countries (Company_ID, CountryISO,CountryName,CurrencyID,IsActive,CreatedByUser,CreatedDate,ModifiedByUser,ModifiedDate,CountryCode, Operator,TransitTime,Departures,ImportOperator,ImportTransitTime,ImportDepartures, SECAAmt, SECAPercent) " + 
              "VALUES(?company_ID, ?countryISO, ?countryName, ?currency, ?isActive, ?createdByUser,NOW(),?createdByUser,NOW(), ?countryCode, ?operator," + 
              "?transitTime, ?departures, ?importOperator, ?importTransitTime, ?importDepartures, ?SECAAmt, ?SECAPer);SELECT LAST_INSERT_ID();"; 

         cmd.Parameters.Add(new MySqlParameter("company_ID", Company_ID)); 
         cmd.Parameters.Add(new MySqlParameter("countryISO", CountryISO)); 
         cmd.Parameters.Add(new MySqlParameter("countryName", CountryName)); 
         cmd.Parameters.Add(new MySqlParameter("currency", Currency)); 
         cmd.Parameters.Add(new MySqlParameter("isActive", IsActive)); 
         cmd.Parameters.Add(new MySqlParameter("createdByUser", CreatedByUser)); 
         cmd.Parameters.Add(new MySqlParameter("operator", Operator)); 
         cmd.Parameters.Add(new MySqlParameter("transitTime", TransitTime)); 
         cmd.Parameters.Add(new MySqlParameter("departures", Departures)); 
         cmd.Parameters.Add(new MySqlParameter("importOperator", ImportOperator)); 
         cmd.Parameters.Add(new MySqlParameter("importTransitTime", ImportTransitTime)); 
         cmd.Parameters.Add(new MySqlParameter("importDepartures", ImportDepartures)); 
         cmd.Parameters.Add(new MySqlParameter("SECAAmt", SECAAmt)); 
         cmd.Parameters.Add(new MySqlParameter("SECAPer", SECAPer)); 
         ID = int.Parse(cmd.ExecuteScalar().ToString());    
        } 
       } 
       return ID; 
      } 

Answer 1

嘗試

cmd.Parameters.Add("@someparam", SqlDbType.NVarChar).Value 

將數據添加到數據庫時應該聲明類型