protected void ModifyMyComment_Button_Click(object sender, EventArgs e) { if (Session["UserInfo"] != null) { if (ModifyMyComment_TextBox.Text.Trim() == "") { ScriptManager.RegisterStartupScript(Page, GetType(), "nocontent", "alert('请输入内容!');", true); //HttpContext.Current.Response.Write("<script type='text/javascript'>alert('请输入内容!');location.href='/aspx/Course.aspx?CourseID=" + courseid + "'</script>"); } else { Byte[] tags = new Byte[20]; Byte a = 1, b = 0;; for (int i = 1; i <= 6; i++) { tags[i - 1] = ((CheckBox)FindControl("MyCommentTagModify" + i.ToString() + "_CheckBox")).Checked == true ? a : b; } MessageInfo mycomment = new MessageInfo(); mycomment.UserID = user.UserID; mycomment.CourseID = course.CourseID; mycomment.Content = ModifyMyComment_TextBox.Text; mycomment.Tags = tags; if (1 == mycomment.ChangeComment()) { AllDataBind(); } else { AllDataBind(); ScriptManager.RegisterStartupScript(Page, GetType(), "changefailed", "alert('修改失败');", true); } } } else { HttpContext.Current.Response.Write("<script type='text/javascript'>alert('闲置时间过长,请重新登录');location.href='" + Request.Url.AbsoluteUri + "'</script>"); } }