//��ʼ������
protected void InitData()
{
int multiProblemID = int.Parse(Request["ID"].ToString()); //ȡ�����ݹ�����������
MultiProblemmr multiproblem = new MultiProblemmr(); //������ѡ�����
if (multiproblem.LoadData(multiProblemID)) //���ȡ����Ŀ��Ϣ���ֱ������Ӧ�ؼ���ʾ
{
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 //��ѯ�����������ʾ
{
lblMessage.Text = "�������ݳ����";
}
}
protected void GridViewBind()
{
MultiProblemmr multiproblem = new MultiProblemmr(); //������ѡ�����
DataSet ds = multiproblem.QueryMultiProblem(int.Parse(ddlCourse.SelectedValue));//���ݿ��Կ�Ŀ��ѯ��ѡ����Ϣ
GridView1.DataSource = ds.Tables[0].DefaultView; //ΪGridView�ؼ�ָ������Դ
GridView1.DataBind(); //������
}
//ɾ�������¼�
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
MultiProblemmr multiproblem = new MultiProblemmr(); //������ѡ�����
int ID = int.Parse(GridView1.DataKeys[e.RowIndex].Values[0].ToString()); //ȡ��Ҫɾ����¼������ֵ
if (multiproblem.DeleteByStr(ID))
{
Response.Write("<script language=javascript>alert('�ɹ�ɾ�����⣡')</script>");
}
else
{
Response.Write("<script language=javascript>alert('ɾ������ʧ�ܣ�')</script>");
}
GridViewBind();//���°�����
}
protected void imgBtnSave_Click(object sender, ImageClickEventArgs e)
{
if (Page.IsValid)
{
MultiProblemmr multiproblem = new MultiProblemmr(); //������ѡ�����
multiproblem.CourseID = int.Parse(ddlCourse.SelectedValue);//Ϊ��ѡ���������Ը�ֵ
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) //���������Ŀ��Ϣ
{
multiproblem.ID = int.Parse(Request["ID"].ToString()); //ȡ����������
if (multiproblem.UpdateByStr(int.Parse(Request["ID"].ToString())))//���������ⷽ��������
{
lblMessage.Text = "�ɹ��ĸö�ѡ�⣡";
}
else
{
lblMessage.Text = "�ĸö�ѡ��ʧ�ܣ�";
}
}
else //������������
{
if (multiproblem.InsertByStr()) //����������ⷽ���������
{
lblMessage.Text = "�ɹ���Ӹö�ѡ�⣡";
}
else
{
lblMessage.Text = "��Ӹö�ѡ��ʧ�ܣ�";
}
}
}
}
//ɾ��������¼
protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
{
MultiProblemmr multi = new MultiProblemmr();//����MultiProblemmr����
foreach (GridViewRow dr in GridView1.Rows)//��GridView�е�ÿһ�н����ж�
{
if (((CheckBox)dr.FindControl("xuanze")).Checked)//���ѡ���˽���ɾ��
{
int ID = int.Parse(((Label)dr.FindControl("Label1")).Text);
multi.ID = ID;
multi.DeleteByStr(ID);
}
}
}
