Configuration config = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration(Request.ApplicationPath);
ConfigurationSection configSection = config.GetSection("connectionStrings");
if (configSection.SectionInformation.IsProtected)
{
//如果已经加密,就不用再加密了
Label1.Text = "已经加密!";
}
else
{
configSection.SectionInformation.ProtectSection("DataProtectionConfigurationProvider");
config.Save();
Label1.Text = "加密成功!";
}