//添加或修改事件 protected void imgBtnSave_Click(object sender, ImageClickEventArgs e) { if (Page.IsValid) { QuestionProblemmr questionproblem = new QuestionProblemmr(); //创建单选题对象 questionproblem.CourseID = int.Parse(ddlCourse.SelectedValue); //为单选题对象各属性赋值 questionproblem.Title = txtTitle.Text; questionproblem.Answer = txtAnswer.Text; if (Request["ID"] != null) //如果是修改题目信息 { questionproblem.ID = int.Parse(Request["ID"].ToString()); //取出试题主键 if (questionproblem.UpdateByStr(int.Parse(Request["ID"].ToString()))) //调用修改试题方法修改试题 { lblMessage.Text = "成功修改该问答题!"; } else { lblMessage.Text = "修改该问答题失败!"; } } else //如果是添加试题 { if (questionproblem.InsertByStr()) //调用添加试题方法添加试题 { lblMessage.Text = "成功添加该问答题!"; } else { lblMessage.Text = "添加该问答题失败!"; } } } }
//GridView控件绑定数据事件 protected void GridViewBind() { QuestionProblemmr questionproblem = new QuestionProblemmr(); //创建单选题对象 DataSet ds = questionproblem.QueryQuestionProblem(int.Parse(ddlCourse.SelectedValue)); //根据考试科目查询问答题信息 GridView1.DataSource = ds.Tables[0].DefaultView; //为GridView控件指名数据源 GridView1.DataBind(); //绑定数据 }
//删除多条记录 protected void ImageButton1_Click(object sender, ImageClickEventArgs e) { QuestionProblemmr question = new QuestionProblemmr(); //创建QuestionProblemmr对象 foreach (GridViewRow dr in GridView1.Rows) //对GridView中的每一行进行判断 { if (((CheckBox)dr.FindControl("xuanze")).Checked) //如果选择了进行删除 { int ID = int.Parse(((Label)dr.FindControl("Label1")).Text); question.ID = ID; question.DeleteByStr(ID); } } }
//初始化数据 protected void InitData() { int QuestionProblemID = int.Parse(Request["ID"].ToString()); //取出传递过来的试题编号 QuestionProblemmr questionproblem = new QuestionProblemmr(); //创建单选题对象 if (questionproblem.LoadData(QuestionProblemID)) //如果取出题目信息,分别放在相应控件显示 { ddlCourse.SelectedValue = questionproblem.CourseID.ToString(); txtTitle.Text = questionproblem.Title; txtAnswer.Text = questionproblem.Answer; } else //查询出错,给出提示 { lblMessage.Text = "加载数据出错!"; } }
//删除试题事件 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { QuestionProblemmr questionproblem = new QuestionProblemmr(); //创建问答题对象 int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值 if (questionproblem.DeleteByStr(ID)) { Response.Write("<script language=javascript>alert('成功删除试题!')</script>"); } else { Response.Write("<script language=javascript>alert('删除试题失败!')</script>"); } GridView1.EditIndex = -1; GridViewBind();//重新绑定数据 }