// Open a new form
Response.Redirect("WebMain.aspx");
// The pop-up 1 A new form
Response.Write("<script>window.open(\"WebMain.aspx\")</script>")
// The pop-up 1 A prompt box with an ok button only
Response.Write("<script>alert(\" Wrong username or password \");</script>");
// Close the form without prompting
Response.Write("<script>window.opener=null;window.close();</script>");
// Closing window prompt 1 Pieces of information
Response.Write("<script>window.close();</script>");
// Closing the form prompts for two messages
Response.Write("<script>if(confirm(\" Are you sure to quit? \")==true){window.close();}</script>");