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1 private void PageCut_Click(Object sender,System.EventArgs e) 2 { 3 //取页码跳转标志(上一页,下一页) 4 String commangArg = ((LinkButton)sender).CommandArgument ; 5 switch(commangArg) 6 { 7 //第一页 8 case "First": 9 { 10 DG_ZONE_CONTENT.CurrentPageIndex = 0; 11 break; 12 } 13 //上一页 14 case "Prev": 15 { 16 DG_ZONE_CONTENT.CurrentPageIndex = (int)Math.Max(0,DG_ZONE_CONTENT.CurrentPageIndex - 1); 17 break; 18 } 19 //下一页 20 case "Next": 21 { 22 DG_ZONE_CONTENT.CurrentPageIndex = (int)Math.Min(DG_ZONE_CONTENT.PageCount-1,DG_ZONE_CONTENT.CurrentPageIndex +1); 23 break; 24 } 25 //最后一页 26 case "Last": 27 { 28 DG_ZONE_CONTENT.CurrentPageIndex = DG_ZONE_CONTENT.PageCount -1; 29 break; 30 } 31 default:{break;} 32 } 33 34 this.Binder(this.TXT_SEARCH_NAME.Text.Trim().ToUpper(),this.TXT_SEARCH_CD.Text.Trim().ToUpper()); 35 //控制页面导向按钮的可见性 36 IsFirstLastPage(); 37 } 38 /**//// <summary> 39 /// 控制页面导向按钮的可见性 40 /// </summary> 41 private void IsFirstLastPage() 42 { 43 if(DG_ZONE_CONTENT.PageCount > 0) 44 { 45 PageFirst.Visible = true; 46 PageLast.Visible = true; 47 PageNext.Visible = true; 48 PagePrev.Visible = true; 49 50 if(DG_ZONE_CONTENT.PageCount != 1) 51 { 52 if(DG_ZONE_CONTENT.CurrentPageIndex == 0) 53 { 54 PagePrev.Enabled = false; 55 } 56 else 57 { 58 PagePrev.Enabled = true; 59 } 60 if(DG_ZONE_CONTENT.CurrentPageIndex == DG_ZONE_CONTENT.PageCount -1) 61 { 62 PageNext.Enabled = false; 63 } 64 else 65 { 66 PageNext.Enabled = true; 67 } 68 } 69 else 70 { 71 PagePrev.Enabled = false; 72 PageNext.Enabled = false; 73 } 74 } 75 else 76 { 77 PageFirst.Visible = false; 78 PageLast.Visible = false; 79 PageNext.Visible = false; 80 PagePrev.Visible = false; 81 82 } 83 } 84 private void Binder(string zone,string city) 85 { 86 bl = new ZoneConten(); 87 DataTable dt = new DataTable(); 88 if(zone==""&&city=="") 89 { 90 dt= bl.ZoneRev("ZONE_INFO"); 91 } 92 else 93 { 94 dt = bl.zoneSea(zone,city); 95 } 96 this.DG_ZONE_CONTENT.DataSource = dt; 97 this.DG_ZONE_CONTENT.DataBind(); 98 if(dt!=null) 99 { 100 if(dt.Rows.Count>0) 101 { 102 int nTotalCode = dt.Rows.Count; 103 //int nTotalPage = nTotalCode/10; 104 // if(nTotalCode%10>0) 105 // {nTotalPage=nTotalPage+1;} 106 // int a = 0; 107 //this.LBL_TOTAL.Text=nTotalPage.ToString(); 108 this.LBL_TOTAL.Text = nTotalCode.ToString(); 109 int nNow = this.DG_ZONE_CONTENT.CurrentPageIndex+1; 110 this.LBL_NOW.Text=nNow.ToString(); 111 } 112 } 113 else 114 { 115 this.LBL_TOTAL.Text = "0"; 116 this.LBL_NOW.Text="1"; 117 } 118 this.IsFirstLastPage(); 119 } 120
<asp:datagrid id="DG_ZONE_CONTENT" runat="server" Width="792px" GridLines="Horizontal" AutoGenerateColumns="False" AllowPaging="True" BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" BackColor="White" CellPadding="4"> <SelectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66"></SelectedItemStyle> <ItemStyle ForeColor="#330099" BackColor="White"></ItemStyle> <HeaderStyle Font-Bold="True" ForeColor="#FFFFCC" BackColor="#99CCFF"></HeaderStyle> <FooterStyle ForeColor="#330099" BackColor="#FFFFCC"></FooterStyle> <Columns> <asp:TemplateColumn HeaderText="行区代码"> <HeaderStyle Width="60px"></HeaderStyle> <ItemTemplate> <%#DataBinder.Eval(Container,"DataItem.ZONE_CD") %> <asp:TextBox id=TXT_ZONE_CD_VIS runat="server" Width="58px" Height="20px" Visible="false" text='<%#DataBinder.Eval(Container,"DataItem.ZONE_CD")%>'> </asp:TextBox> </ItemTemplate> </asp:TemplateColumn> <asp:TemplateColumn HeaderText="行区名"> <HeaderStyle Width="100px"></HeaderStyle> <ItemTemplate> <%# DataBinder.Eval(Container,"DataItem.AERA_NAME")%> <asp:TextBox id=TXT_ZONE_NAME_VIS runat="server" Width="164px" Visible="False" Text='<%# DataBinder.Eval(Container,"DataItem.AERA_NAME")%>'> </asp:TextBox> </ItemTemplate> </asp:TemplateColumn> <asp:TemplateColumn HeaderText="城市代码"> <HeaderStyle Width="200px"></HeaderStyle> <ItemTemplate> <%# DataBinder.Eval(Container,"DataItem.CITY")%> <asp:TextBox id=TXT_ZONE_CITY_VIS runat="server" Width="135px" Visible="False" Text='<%# DataBinder.Eval(Container,"DataItem.CITY")%>'> </asp:TextBox> </ItemTemplate> </asp:TemplateColumn> <asp:ButtonColumn Text="修改" CommandName="Select"> <HeaderStyle Width="100px"></HeaderStyle> </asp:ButtonColumn> <asp:ButtonColumn Text="删除" CommandName="Delete"> <HeaderStyle Width="50px"></HeaderStyle> </asp:ButtonColumn> </Columns> <PagerStyle Visible="false" HorizontalAlign="Center" ForeColor="#330099" BackColor="#FFFFCC"></PagerStyle> </asp:datagrid> </td> </tr> <tr> <td> <asp:linkbutton id="PageFirst" Runat="server" CssClass="Normal" Text="首页" CommandArgument="First"></asp:linkbutton> <asp:linkbutton id="PagePrev" Runat="server" CssClass="Normal" Text="上一页" CommandArgument="Prev"></asp:linkbutton> <asp:linkbutton id="PageNext" runat="server" CssClass="Normal" Text="下一页" CommandArgument="Next"></asp:linkbutton> <asp:linkbutton id="PageLast" Runat="server" CssClass="Normal" Text="最后一页" CommandArgument="Last"></asp:linkbutton> 共<asp:label id="LBL_TOTAL" runat="server">Label</asp:label> 条记录,当前第 <asp:label id="LBL_NOW" runat="server">Label</asp:label> 页 </td> </tr> http://www.cnblogs.com/semye/archive/2007 (出处:http://www.vipcn.com)
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