rebtel local call

Call the DLL interface provided by a third party and prompt that the specified module cannot be found. Debugging on the local machine is normal. Some computers on the client prompt that the specified module cannot be found. After Virus and environment variables are excluded, try to specify the path of the dynamic Runtime Library in dllimport. Solution: Use dependsProgramIt is found that it depends

When there are global variables, such as: protected static dictionaryThis variable is used every day when the program is run, such as adding data to the variable. If the service does not stop or restart, the variable will have the recorded data.The problem I encountered is to send a reminder email with the expiry of the contract every morning, access the data every day, filter the data, and then place the mailbox in the Salesmail variable for the renewal of the email, and then send the message a