通过页面修改Web.Config中属性值

string server = txtServer.Text;string database = txtDatabase.Text;string user = txtUser.Text;string pass = txtPass.Text;string filepath = txtFilePath.Text;Configuration config=WebConfigurationManager.OpenWebConfiguration("~");AppSettingsSection appSetting = (AppSettingsSection)config.GetSection("appSettings");ConnectionStringsSection connSettings = (ConnectionStringsSection)config.GetSection("connectionStrings");appSetting.Settings["filePath"].Value = filepath;connSettings.ConnectionStrings["sqlserver"].ConnectionString = "Data Source=" + server + ";Database=" + database + ";uid=" + user + ";pwd=" + pass;config.Save();//保存web.config

设置AppSetting、ConnectionString