protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string action = Request["action"];
if (action == "add")
{
//add news
}
else if (action == "edit")
{
//edit exits news
//将数据库信息绑定到控件上！
int id = Convert.ToInt32(Request["id"]);
T_NewsTableAdapter adapter = new T_NewsTableAdapter();
var news = adapter.GetDataById(id).Single();
txttittle.Text = news.Tittle;
txtcontent.Text = news.MainContent;
lbtxttypesecond.SelectedValue = news.TypeSecond;
}
else
{
throw new Exception();
}
}
}
protected void btnsave_Click(object sender, EventArgs e)
{
string action = Request["action"];
if (action == "add")
{
//add news to database
T_NewsTableAdapter adapter = new T_NewsTableAdapter();
adapter.Insert("通知公告", txttittle.Text, txtcontent.Text, DateTime.Now, lbtxttypesecond.SelectedValue);
}
else if (action == "edit")
{
int id = Convert.ToInt32(Request["id"]);
T_NewsTableAdapter adapter = new T_NewsTableAdapter();
var news = adapter.GetDataById(id).Single();
news.Type = "通知公告";
news.TypeSecond = lbtxttypesecond.SelectedValue;
news.Tittle = txttittle.Text;
news.MainContent = txtcontent.Text;
adapter.Update(news); //更新数据库
}
Response.Redirect("ad_通知公告.aspx");
}
