Introduction - If you have any usage issues, please Google them yourself
A good C# Prepared weather procedures, check the weather, very错啊depends, if (strhtml.IndexOf ( Q Skynet ) ==-1) (lblts.Text = query failed, please check your network. btntj.Enabled = true) else if (strhtml.IndexOf ( the city does not exist )! =-1) (lblts.Text = You have entered the city does not exist. btntj.Enabled = true)