DATAGRID分页，增加首页、最后一页（源码）

技术2022-05-11 37

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>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 else114 {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/2007/01/09/615656.html

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