note : Encapsulate data bound controls (e.g System.Web.UI.WebControls.DataGrid , System.Web.UI.WebControls.GridView , System.Web.UI.WebControls.DetailsView
// and System.Web.UI.WebControls.FormView ) to allow the control to perform paging operations. This class cannot be inherited.
DataList
public DataTable GetDataSet(string sql)
{
SqlConnection conn = this.getconn();
SqlDataAdapter sdr = new SqlDataAdapter(sql, conn);
DataSet rs = new DataSet();
sdr.Fill(rs);
return rs.Tables[0];
}
public PagedDataSource PageDataListBind(string sql, int currentPage, int PageSize)
{
PagedDataSource pds = new PagedDataSource();
pds.DataSource = GetDataSet(sql).DefaultView;
pds.AllowPaging = true;
pds.PageSize = PageSize;
pds.CurrentPageIndex = currentPage - 1;
return pds;
}
DB db = new DB();
PagedDataSource pds = new PagedDataSource();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
public void bind()
{
pds = db.PageDataListBind("select * from tb_word",Convert.ToInt32(lblCurrentPage.Text),2);
lnkBtnFirst.Enabled = true;
lnkBtnLast.Enabled = true;
lnkBtnPrevious.Enabled = true;
lnkBtnNext.Enabled = true;
if (lblCurrentPage.Text == "1")
{
lnkBtnFirst.Enabled = false;
lnkBtnPrevious.Enabled = false;
}
if(lblCurrentPage.Text==pds.PageCount.ToString())
{
lnkBtnLast.Enabled = false;
lnkBtnNext.Enabled = false;
}
lblSumPage.Text = pds.PageCount.ToString();
DataList1.DataSource = pds;
DataList1.DataKeyField = "ID";
DataList1.DataBind();
}
protected void lnkBtnFirst_Click(object sender, EventArgs e)
{
lblCurrentPage.Text = "1";
bind();
}
protected void lnkBtnPrevious_Click(object sender, EventArgs e)
{
lblCurrentPage.Text = (Convert.ToInt32(lblCurrentPage.Text) - 1).ToString();
bind();
}
protected void lnkBtnNext_Click(object sender, EventArgs e)
{
lblCurrentPage.Text = (Convert.ToInt32(lblCurrentPage.Text) + 1).ToString();
bind();
}
protected void lnkBtnLast_Click(object sender, EventArgs e)
{
lblCurrentPage.Text = lblSumPage.Text;
bind();
}
<form id="form1" runat="server">
<div>
<asp:DataList ID="DataList1" runat="server">
<ItemTemplate>
<table border="1">
<tr>
<td>ID</td><td> The title </td><td> content </td>
</tr>
<tr>
<td><%#Eval("ID") %></td>
<td><%#Eval("Title") %></td>
<td><%#Eval("Content") %></td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
The current page number is [ <asp:Label ID="lblCurrentPage" runat="server" Text="1"></asp:Label> Page]
Total page number [ <asp:Label
ID="lblSumPage" runat="server" Text="0"></asp:Label> Page]
<asp:LinkButton ID="lnkBtnFirst" runat="server" Font-Underline="False" OnClick="lnkBtnFirst_Click" > The first 1 page </asp:LinkButton>
<asp:LinkButton ID="lnkBtnPrevious" runat="server" Font-Underline="False" OnClick="lnkBtnPrevious_Click" > on 1 page </asp:LinkButton>
<asp:LinkButton ID="lnkBtnNext" runat="server" Font-Underline="False" OnClick="lnkBtnNext_Click" > Under the 1 page </asp:LinkButton>
<asp:LinkButton ID="lnkBtnLast" runat="server" Font-Underline="False" OnClick="lnkBtnLast_Click"> At the end of the 1 page </asp:LinkButton>
</div>
</form>