asp.net Datalist控制項實現分頁功能

在.aspx頁面裡的代碼

<asp:DataList ID="DataList1" runat="server" Width="976px" Height="745px" BorderWidth="2px" CellPadding="2" CellSpacing="2" RepeatColumns="7" RepeatDirection="Vertical" BorderColor="#666666"> <ItemTemplate > <table > <tr> <td > <a href='<%#"Show.aspx?iname="+Eval("iname")%>'><img src='upimage/<%#DataBinder.Eval(Container.DataItem,"iname") %>' width="120" alt="點擊查看大圖"/></a> </td> </tr> </table> </ItemTemplate> </asp:DataList><asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:S601ConnectionString %>" SelectCommand="SELECT [iname] FROM [Image]" ></asp:SqlDataSource> <table style="width: 976px" cellpadding="0" cellspacing="0"> <tr> <td style="width:976px; text-align: right; font-size:12pt; height:25px;"> <asp:Label ID="Label7" runat="server" Text="當前頁碼為："></asp:Label> [ <asp:Label ID="labPage" runat="server" Text="1"></asp:Label>  ] <asp:Label ID="Label6" runat="server" Text="總頁碼為："></asp:Label> [ <asp:Label ID="labBackPage" runat="server"></asp:Label>  ]<asp:LinkButton ID="lnkbtnOne" runat="server" Font-Underline="False" ForeColor="Red" OnClick="lnkbtnOne_Click">第一頁</asp:LinkButton> <asp:LinkButton ID="lnkbtnUp" runat="server" Font-Underline="False" ForeColor="Red" OnClick="lnkbtnUp_Click">上一頁</asp:LinkButton> <asp:LinkButton ID="lnkbtnNext" runat="server" Font-Underline="False" ForeColor="Red" OnClick="lnkbtnNext_Click">下一頁</asp:LinkButton>  <asp:LinkButton ID="lnkbtnBack" runat="server" Font-Underline="False" ForeColor="Red" OnClick="lnkbtnBack_Click">最後一頁</asp:LinkButton>  </td> </tr> </table>

在.aspx.cs頁面裡

protected void Page_Load(object sender, EventArgs e) { dlBind(); } public void dlBind() { SqlConnection sqlcon; string strCon = "Data Source=(local);Database=S601;Uid=sa;Pwd=123456"; int curpage = Convert.ToInt32(this.labPage.Text); PagedDataSource ps = new PagedDataSource(); sqlcon = new SqlConnection(strCon); sqlcon.Open(); string sqlstr = "SELECT [iname],iid FROM [Image]"; SqlDataAdapter MyAdapter = new SqlDataAdapter(sqlstr, sqlcon); DataSet ds = new DataSet(); MyAdapter.Fill(ds, "iid"); ps.DataSource = ds.Tables["iid"].DefaultView; ps.AllowPaging = true; //是否可以分頁 ps.PageSize = 35; //顯示的數量 ps.CurrentPageIndex = curpage - 1; //取得當前頁的頁碼 this.lnkbtnUp.Enabled = true; this.lnkbtnNext.Enabled = true; this.lnkbtnBack.Enabled = true; this.lnkbtnOne.Enabled = true; if (curpage == 1) { this.lnkbtnOne.Enabled = false;//不顯示第一頁按鈕 this.lnkbtnUp.Enabled = false;//不顯示上一頁按鈕 } if (curpage == ps.PageCount) { this.lnkbtnNext.Enabled = false;//不顯示下一頁 this.lnkbtnBack.Enabled = false;//不顯示最後一頁 } this.labBackPage.Text = Convert.ToString(ps.PageCount); this.DataList1.DataSource = ps; this.DataList1.DataKeyField = "iid"; this.DataList1.DataBind(); sqlcon.Close(); } protected void lnkbtnOne_Click(object sender, EventArgs e) { this.labPage.Text = "1"; this.dlBind(); } protected void lnkbtnUp_Click(object sender, EventArgs e) { this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) - 1); this.dlBind(); } protected void lnkbtnNext_Click(object sender, EventArgs e) { this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) + 1); this.dlBind(); } protected void lnkbtnBack_Click(object sender, EventArgs e) { this.labPage.Text = this.labBackPage.Text; this.dlBind(); }