C＃MySQL在向表中插入数据时遇到致命错误

Question

我有一个名为“ AddUser”的方法，该方法应该将数据插入到我的表中，但是每当我执行它时，都会引发MySqlException。

异常消息：

命令执行期间遇到致命错误。

我的专栏：

Column          Type         Null   Default           Comments
Identity Number int(11)      No                       auto_increment
Full Name       varchar(32)  No          
Birthday        date         No          
Sex             varchar(6)   No          
City            varchar(32)  No          
Region          varchar(32)  No          
Zip Code        varchar(10)  No          
Country         varchar(32)  No          
Phone Number    varchar(15)  No          
Email Address   varchar(255) No          
Ticket Number   varchar(8)   No          
Registration    timestamp    No     CURRENT_TIMESTAMP

我的代码：

private MySqlConnection mySqlConnection;

private async void OpenConnection()
{
    if (mySqlConnection == null)
    {
        mySqlConnection = new MySqlConnection(ConfigurationManager.ConnectionStrings[0].ConnectionString);
    }
    await mySqlConnection.OpenAsync();
}

private async void CloseConnection()
{
    if (mySqlConnection != null)
    {
        await mySqlConnection.CloseAsync();
    }
}

private async Task<bool> AddUser(
    string fullName,
    string birthday,
    string sex,
    string city,
    string region,
    string zipCode,
    string country,
    string phoneNumber,
    string emailAddress)
{
    try
    {
        OpenConnection();
        MySqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.CommandText = string.Format("INSERT INTO Users (Identity_Number, Full_Name, Birthday, Sex, City, Region, Zip_Code, Country, Phone_Number, Email_Address, Ticket_Number, Registration_Time) VALUES (@Identity_Number, @Full_Name, @Birthday, @Sex, @City, @Region, @Zip_Code, @Country, @Phone_Number, @Email_Address, @Ticket_Number, @Registration_Time);");
        mySqlCommand.Parameters.Add("@Full_Name", MySqlDbType.VarChar).Value = fullName;
        mySqlCommand.Parameters.Add("@Birthday", MySqlDbType.Date).Value = birthday;
        mySqlCommand.Parameters.Add("@Sex", MySqlDbType.VarChar).Value = sex;
        mySqlCommand.Parameters.Add("@City", MySqlDbType.VarChar).Value = city;
        mySqlCommand.Parameters.Add("@Region", MySqlDbType.VarChar).Value = region;
        mySqlCommand.Parameters.Add("@Zip_Code", MySqlDbType.VarChar).Value = zipCode;
        mySqlCommand.Parameters.Add("@Country", MySqlDbType.VarChar).Value = country;
        mySqlCommand.Parameters.Add("@Phone_Number", MySqlDbType.VarChar).Value = phoneNumber;
        mySqlCommand.Parameters.Add("@Email_Address", MySqlDbType.VarChar).Value = emailAddress;
        mySqlCommand.Parameters.Add("@Ticket_Number", MySqlDbType.VarChar).Value = Guid.NewGuid().ToString().GetHashCode().ToString("X");

        await mySqlCommand.ExecuteNonQueryAsync();



CloseConnection();
            mySqlCommand.Dispose();
            return true;
        }
        catch (MySqlException ex)
        {
            MessageBox.Show(ex.Message);
            return false;
        }
    }

有人可以检查我的代码并让我知道我在做什么错吗？ 还有，也许我该如何改善自己的代码？ 提前致谢。

Answer 1

谢谢@Plutonix的回答。 按照您的建议，我删除了下划线并转义了包含空格的列名称。 该代码现在可以使用。

            mySqlCommand.CommandText = string.Format("INSERT INTO Users (`Full Name`, Birthday, Sex, City, Region, `Zip Code`, Country, `Phone Number`, `Email Address`, `Ticket Number`) VALUES (@Full_Name, @Birthday, @Sex, @City, @Region, @Zip_Code, @Country, @Phone_Number, @Email_Address, @Ticket_Number);");