//初始化数据 protected void InitData() { int multiProblemID = int.Parse(Request["ID"].ToString()); //取出传递过来的试题编号 MultiProblemmr multiproblem = new MultiProblemmr(); //创建单选题对象 if (multiproblem.LoadData(multiProblemID)) //如果取出题目信息,分别放在相应控件显示 { ddlCourse.SelectedValue = multiproblem.CourseID.ToString(); txtTitle.Text = multiproblem.Title; txtAnswerA.Text = multiproblem.AnswerA; txtAnswerB.Text = multiproblem.AnswerB; txtAnswerC.Text = multiproblem.AnswerC; txtAnswerD.Text = multiproblem.AnswerD; string answer = multiproblem.Answer; for (int i = 0; i < answer.Length; i++) { string item = answer[i].ToString(); for (int j = 0; j < cblAnswer.Items.Count; j++) { if (item == cblAnswer.Items[i].Text) { cblAnswer.Items[i].Selected = true; } } } } else //查询出错,给出提示 { lblMessage.Text = "加载数据出错!"; } }
protected void GridViewBind() { MultiProblemmr multiproblem = new MultiProblemmr(); //创建多选题对象 DataSet ds = multiproblem.QueryMultiProblem(int.Parse(ddlCourse.SelectedValue)); //根据考试科目查询多选题信息 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) { MultiProblemmr multi = new MultiProblemmr(); //创建MultiProblemmr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); multi.ID = ID; multi.DeleteByStr(ID); } } }
//删除试题事件 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { MultiProblemmr multiproblem = new MultiProblemmr(); //创建单选题对象 int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //取出要删除记录的主键值 if (multiproblem.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>"); } GridViewBind();//重新绑定数据 }
protected void imgBtnSave_Click(object sender, ImageClickEventArgs e) { if (Page.IsValid) { MultiProblemmr multiproblem = new MultiProblemmr(); //创建单选题对象 multiproblem.CourseID = int.Parse(ddlCourse.SelectedValue); //为单选题对象各属性赋值 multiproblem.Title = txtTitle.Text; multiproblem.AnswerA = txtAnswerA.Text; multiproblem.AnswerB = txtAnswerB.Text; multiproblem.AnswerC = txtAnswerC.Text; multiproblem.AnswerD = txtAnswerD.Text; string answer = ""; for (int i = 0; i < cblAnswer.Items.Count; i++) { if (cblAnswer.Items[i].Selected) { answer += cblAnswer.Items[i].Text; } } multiproblem.Answer = answer; if (Request["ID"] != null) //如果是修改题目信息 { multiproblem.ID = int.Parse(Request["ID"].ToString()); //取出试题主键 if (multiproblem.UpdateByStr(int.Parse(Request["ID"].ToString()))) //调用修改试题方法修改试题 { lblMessage.Text = "成功修改该多选题!"; } else { lblMessage.Text = "修改该多选题失败!"; } } else //如果是添加试题 { if (multiproblem.InsertByStr()) //调用添加试题方法添加试题 { lblMessage.Text = "成功添加该多选题!"; } else { lblMessage.Text = "添加该多选题失败!"; } } } }