protected void Button1_Click1(object sender, EventArgs e)
{
UserstableViesr us = new UserstableViesr();
if (DropDownList1.SelectedIndex == 0)
{
if (us.GetNumByName(TextBox1.Value) == 0)
{
Response.Redirect("Download.aspx?state=0");
}
else
{
Response.Redirect("Download.aspx?state=1&name=" + TextBox1.Value + "");
}
}
else if (DropDownList1.SelectedIndex == 1)
{
if (us.GetNumByAuthor(TextBox1.Value) == 0)
{
Response.Redirect("Download.aspx?state=0");
}
else
{
Response.Redirect("Download.aspx?state=2&author=" + TextBox1.Value + "");
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
Label3.Text = Session["UserName"].ToString();
String state = Request["state"];
UserstableViesr us = new UserstableViesr();
int num = us.GetNum();
DataSet ds = us.GetInfo();
if (state.Equals("0"))
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('没有找到任何记录，显示全部的下载资源！');</script>");
}
else if (state.Equals("1"))
{
String bookname = Request["name"];
num = us.GetNumByName(bookname);
ds = us.GetInfoByName(bookname);
}
else if (state.Equals("2"))
{
String author = Request["author"];
num = us.GetNumByAuthor(author);
ds = us.GetInfoByAuthor(author);
}
else if (state.Equals("3"))
{
String type = Request["booktype"];
num = us.GetNumByType(type);
ds = us.GetInfoByType(type);
}
int row = num / 3 + 1;
for (int i = 0; i < row; i++)
{
TableRow tr = new TableRow();
tr.VerticalAlign = VerticalAlign.Middle;
for (int j = 0; j < 3; j++)
{
if ((i * 3 + j) == num)
{
break;
}
else
{
TableCell td = new TableCell();
td.VerticalAlign = VerticalAlign.Middle;
td.Width = 200;
td.Height = 200;
Image ig = new Image();
ig.ImageUrl = "/" + ds.Tables[0].Rows[i * 3 + j][1].ToString();
ig.Width = 200;
ig.Height = 250;
LinkButton lb = new LinkButton();
Button xq = new Button();
xq.Text = "下载";
lb.Text = ds.Tables[0].Rows[i * 3 + j][0].ToString();
lb.Width = 200;
xq.Click += new EventHandler(lbx_Click);
xq.ID = lb.Text;
lb.PostBackUrl = "Detail.aspx?BookName=" + lb.Text + "";
td.Controls.Add(ig);
td.Controls.Add(lb);
td.Controls.Add(xq);
tr.Cells.Add(td);
}
}
Table1.Rows.Add(tr);
}
}