protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
(Master.FindControl("masterTextBox") as TextBox).Visible = false;
(Master.FindControl("masterLabel") as Label).Visible = false;
(Master.FindControl("masterButton") as Button).Visible = false;
if (Request.QueryString["page_request"] != null && Request.QueryString["search_type"] != null && Request.QueryString["search_content"] != null)
{
string str = Request.QueryString["search_content"];
if (str.Equals(String.Empty))
{
this.showFalseMessage("输入内容不能为空！");
return;
}
if (str.Length < minSearchSize)
{
this.showFalseMessage("输入内容太短！");
return;
}
if (str.Length > maxSearchSize)
{
this.showFalseMessage("输入内容太长！");
return;
}
TextBox1.Text = str;
string pageRequestedString = Request.QueryString["page_request"];
if (pageRequestedString.Equals(String.Empty))
{
this.showFalseMessage("页码输入不正确！");
return;
}
int pageRequested = Int32.Parse(pageRequestedString);
if (pageRequested < 1)
{
this.showFalseMessage("页码输入不正确！");
return;
}
SearchType type = (SearchType)Int32.Parse(Request.QueryString["search_type"]);
DropDownList1.SelectedIndex = (int)type;
NewsDAO dao = new NewsDAO();
int pageSize = 0;
DataSet ds = new DataSet();
switch (type)
{
case SearchType.Article:
pageSize = dao.GetNewsSizeByArticle(str, pageDefaultSize);
ds = dao.SearchNewsByArticle(str, pageDefaultSize, pageRequested);
initList(ds, pageSize);
break;
case SearchType.Title:
pageSize = dao.GetNewsSizeByTitle(str, pageDefaultSize);
ds = dao.SearchNewsByTitle(str, pageDefaultSize, pageRequested);
initList(ds, pageSize);
break;
case SearchType.TitleAndArticle:
pageSize = dao.GetNewsSizeByTitleAndArticle(str, pageDefaultSize);
ds = dao.SearchNewsByTitleAndArticle(str, pageDefaultSize, pageRequested);
initList(ds, pageSize);
break;
}
}
}
}