显示有换行字符的提示框
string temp1 = temp.Replace("\r\n","\\n");
jsript = "<script language='javascript'>alert(\""+temp1+"\");</script>";
Page.RegisterClientScriptBlock("select",jsript);
jsript = "<script language='javascript'>alert(\""+temp1+"\");</script>";
Page.RegisterClientScriptBlock("select",jsript);