update a mySQL table using C#

Question

I have written some C# to update a MySql table but I get an exception every time I call the method ExecuteNonQuery(). I have researched this on the web and every solution I fin

Answer 1

Change your try section to the code below:

try
{
    using(MySqlConnection cn = new  MySqlConnection(connection.ConnectionString))
    {        
        MySqlCommand cmd = new MySqlCommand();
        cmd.Connection = cn; 
        cmd.CommandText = "UPDATE test SET status_id = 1 WHERE test_id = 1";
        cn.Open();
        int numRowsUpdated = cmd.ExecuteNonQuery();
        cmd.Dispose(); 
     }
}

The connection must be opened before you execute a command. In the example above the command object will immediately be disposed and the connection object will implcitly be closed and disposed when you leave the using section.