在我的项目中关闭程序后，在C＃中出现错误“ CannotUnloadAppDomainException”

Question

This started when I created and use reporting (rdlc) in my project and now everytime i open the form with reporting it is still working finem the error will show when I close my application how can I fix this?

Answer 1

private void Form1_FormClosing(Object sender,System.Windows.Forms.FormClosingEventArgs e) 
{
        ReportViewer1.LocalReport.ReleaseSandboxAppDomain();
}

Answer 2

This also work for me.

reportviewer.Reset();