MySqlCommand.Parameters.Add is Obsolete: What\'s the Modern Alternative?

MySqlCommand Command.Parameters.Add: Obsolete and Alternative

In C# using Visual Studio 2010, you may encounter the warning that MySqlCommand Command.Parameters.Add is obsolete while attempting to insert data into a MySQL database. This warning indicates the method has been deprecated and replaced by a newer approach.

Addressing the Obsolete Warning

To resolve this issue, replace the deprecated method Add() with AddWithValue(). Here's how you can modify your code:

command.Parameters.AddWithValue("@mcUserName", mcUserNameNew);
command.Parameters.AddWithValue("@mcUserPass", mcUserPassNew);
command.Parameters.AddWithValue("@twUserName", twUserNameNew);
command.Parameters.AddWithValue("@twUserPass", twUserPassNew);

Additional Suggestion

To prevent SQL injection vulnerabilities, it's recommended to remove single quotes around placeholders in your SQL statement:

string SQL = "INSERT INTO `twMCUserDB` (`mc_userName`, `mc_userPass`, `tw_userName`, `tw_userPass`) VALUES (@mcUserName, @mcUserPass, @twUserName, @twUserPass)";

By following these suggestions, you can utilize a newer and more secure approach to parameterized queries, address the warning, and insert data into your MySQL database effectively.

The above is the detailed content of MySqlCommand.Parameters.Add is Obsolete: What\'s the Modern Alternative?. For more information, please follow other related articles on the PHP Chinese website!