现在问题Repeater中有一个控件DropDownList怎么实现ajax分页呢 忘高手指点 链接 或源代码都可以!下班结帖!
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分页控件
例子:
<asp:UpdatePanel ID="UpdatePanel1" runat="server"
UpdateMode="Conditional">
<ContentTemplate>
<div class="shop_content ml10">
<div class="shop_name h40 lh200 tc fn f20 vm">店铺名称</div>
<div class="shop_book_list mt10 pb10">
<asp:UpdateProgress ID="UpdateProgress1" runat="server" DisplayAfter="10"
AssociatedUpdatePanelID="UpdatePanel1">
<ProgressTemplate>
我正在努力地翻页哦,请稍后......
</ProgressTemplate>
</asp:UpdateProgress>
<div class="book_box ml10">
<a href='<%=getbook(books[0].Book_id.ToString())%>' class="book_img"><img src='<%=books[0].Book_imgsrc.ToString()%>' /></a>
<div class="book_name mt5"><a href="<%=getbook(books[0].Book_id.ToString())%>" class="no_unl"><%=books[0].Book_name.ToString() %></a></div>
<div class="book_price mt5 pt5"><span>卖家价¥:</span><span class="book_price"><%=books[0].Book_piece.ToString()%></span></div>
中略同理 <div class="f12 tc pagenav">
<asp:Button ID="Button1" runat="server" Height="20px" Text="上一页" Width="46px"
Font-Size="13px" onclick="Button1_Click" CssClass="button" />
<asp:DropDownList ID="DropDownList1" runat="server"
Height="20px" onselectedindexchanged="DropDownList1_SelectedIndexChanged"
Font-Size="12px" Width="75px" AutoPostBack="True" CssClass="button">
</asp:DropDownList>
<asp:Button ID="Button2" runat="server" Height="20px" Text="下一页" Width="46px"
Font-Size="13px" onclick="Button2_Click" CssClass="button" />
</div>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="DropDownList1"
EventName="SelectedIndexChanged" />
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="Button2" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
后台: public int pagenum;
public int userid;
public int pagecom;
public static userbook[] books = new userbook[8];
public static comments[] comm = new comments[5];
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
int comnum;
int booknum;
userid = Convert.ToInt32(Request.QueryString["user_id"].ToString());
int t = 0;
SqlDataReader outresult = outresul(userid, 1);
SqlDataReader outcom = outcomment(userid, 1);
for (int g = 0; g < 8; g++)
{
books[g] = new userbook();
}
outresult.Read();
booknum = Convert.ToInt32(outresult["user_sellingnum"].ToString());
do
{
books[t].Book_name = outresult["book_name"].ToString();
books[t].Book_piece = outresult["book_price"].ToString();
books[t].Book_id = outresult["book_id"].ToString();
books[t].Book_imgsrc = outresult["book_imgsrc"].ToString();
t++;
}
while (outresult.Read() && t < 8);
if (booknum % 8 != 0)
{
pagenum = booknum / 8+ 1;
}
else
{
pagenum = booknum / 8;
}
for (int a = 1; a <= pagenum;a++ )
{
ListItem li = new ListItem();
li.Value = a.ToString();
li.Text="第"+a.ToString()+"页";
DropDownList1.Items.Add(li);
}
Button1.Visible = false;
if(pagenum==1)
{
Button2.Visible = false;
}
}
DropDownList1.SelectedIndex = 0;
DropDownList1.DataBind();
public SqlDataReader outresul(int userid,int pagenum)
{
sql sql1 = new sql();
SqlCommand result = new SqlCommand();
result.Connection = sql1.resql();
result.CommandText = "select top 8 Booktable.book_id,Booktable.book_name,Booktable.book_price,Booktable.book_imgsrc,Usertable.user_sellingnum from Booktable,Usertable where Booktable.user_id=@user_id and Usertable.user_id=@user_id and Booktable.book_id not in(select top(@head) Booktable.book_id from Booktable,Usertable where Booktable.user_id=@user_id order by book_id ) order by book_id";
result.Parameters.Add("@user_id", SqlDbType.Int).Value = userid;
result.Parameters.Add("@head", SqlDbType.Int).Value = (pagenum-1)*8;
SqlDataReader outresult = result.ExecuteReader();
return outresult;
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
userid = Convert.ToInt32(Request.QueryString["user_id"].ToString());
int k = DropDownList1.SelectedIndex + 1;
int t = 0;
SqlDataReader outresult = outresul(userid,k);
for (int g = 0; g < 8; g++)
{
books[g] = new userbook();
}
while (outresult.Read() && t < 8)
{
books[t].Book_name = outresult["book_name"].ToString();
books[t].Book_piece = outresult["book_price"].ToString();
books[t].Book_id = outresult["book_id"].ToString();
books[t].Book_imgsrc = outresult["book_imgsrc"].ToString();
t++;
}
if (k == 1)
{
Button1.Visible = false;
}
else
{
Button1.Visible = true;
}
if (k == DropDownList1.Items.Count)
{
Button2.Visible = false;
}
else
{
Button2.Visible=true;
}
UpdatePanel1.Update();
}
protected void Button1_Click(object sender, EventArgs e)
{
DropDownList1.SelectedIndex = DropDownList1.SelectedIndex - 1;
DropDownList1_SelectedIndexChanged(sender,e);
}
protected void Button2_Click(object sender, EventArgs e)
{
DropDownList1.SelectedIndex = DropDownList1.SelectedIndex + 1;
DropDownList1_SelectedIndexChanged(sender, e);
}
注释就懒得写了 楼主自己看吧 这里用的是UPDATAPANEL做的动态翻页 用SQL语句实现SQL内部翻页后传出数据 没怎么用控件