[RunInstaller(true)]
public partial class ProjectInstaller : Installer
{
private ServiceInstaller m_serviceInstaller;
private ServiceProcessInstaller m_processInstaller;
public ProjectInstaller()
{
string Names= ConfigurationManager.AppSettings["Names"].ToString();
System.Diagnostics.Debugger.Break();
m_serviceInstaller = new System.ServiceProcess.ServiceInstaller();
m_processInstaller = new System.ServiceProcess.ServiceProcessInstaller();
//
// serviceProcessInstaller1
//
m_processInstaller.Account = System.ServiceProcess.ServiceAccount.LocalSystem;
m_processInstaller.Password = null;
m_processInstaller.Username = null;
//
// serviceInstaller1
//
m_serviceInstaller.ServiceName = "Testing" + Names;
m_serviceInstaller.DisplayName = "Testing" + Names;
m_serviceInstaller.Description = "Testing" + Names;
//
// ProjectInstaller
//
this.Installers.AddRange(new System.Configuration.Install.Installer[] {
m_processInstaller,
m_serviceInstaller});
}
}
我的项目安装程序代码如上,它不会出现任何编译错误,但是当我尝试安装它时会回滚,因为它会抛出异常 System.Null referenceException。我也再次确认我的 AppConfig 没有任何问题。
<appSettings>
<add key="Names" value="BOC" />
</appSettings>
我可以知道哪里出错了。