注:封装数据绑定控件(如 System.Web.UI.WebControls.DataGrid、System.Web.UI.WebControls.GridView、System.Web.UI.WebControls.DetailsView// 和 System.Web.UI.WebControls.FormView)的与分页相关的属性,以允许该控件执行分页操作。无法继承此类。
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>标题</td><td>内容</td>
< /tr>
< tr>
< td><%#Eval("ID") %></td>
< td><%#Eval("Title") %></td>
< td><%#Eval("Content") %></td>
< /tr>
< /table>
< /ItemTemplate>
< /asp:DataList>
当前页码为[<asp:Label ID="lblCurrentPage" runat="server" Text="1"></asp:Label>]页
总页码[<asp:Label
ID="lblSumPage" runat="server" Text="0"></asp:Label>]页
< asp:LinkButton ID="lnkBtnFirst" runat="server" Font-Underline="False" OnClick="lnkBtnFirst_Click" > 第一页< /asp:LinkButton>
< asp:LinkButton ID="lnkBtnPrevious" runat="server" Font-Underline="False" OnClick="lnkBtnPrevious_Click" > 上一页< /asp:LinkButton>
< asp:LinkButton ID="lnkBtnNext" runat="server" Font-Underline="False" OnClick="lnkBtnNext_Click" > 下一页< /asp:LinkButton>
< asp:LinkButton ID="lnkBtnLast" runat="server" Font-Underline="False" OnClick="lnkBtnLast_Click"> 末一页< /asp:LinkButton>
< /div>
< /form>