How can get all column name from Mysql as per table selection

try
                   {
                       using (MySqlConnection con = new MySqlConnection(txtOtherConStr.Text.Trim()))
                       {
                           MySqlConnectionStringBuilder builder = new MySqlConnectionStringBuilder(txtOtherConStr.Text.Trim());

                           string db = builder.Database;


                           using (MySqlCommand cmd=new MySqlCommand("SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = "+ db +" AND TABLE_NAME =@TABLE_NAME",con))
                           {

                               cmd.Parameters.Add("@TABLE_NAME", MySqlDbType.VarChar).Value = lbOtherTable.SelectedValue;

                               new MySqlDataAdapter(cmd).Fill(dt);
                           }
                       }
                   }
                   catch { }

SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = "+ db +" AND TABLE_NAME =@TABLE_NAME