DATAGRID分页，增加首页、最后一页（源码）

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

36IsFirstLastPage();

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>&nbsp;

<asp:linkbutton id="PagePrev" Runat="server" CssClass="Normal" Text="上一页" CommandArgument="Prev"></asp:linkbutton>&nbsp;

<asp:linkbutton id="PageNext" runat="server" CssClass="Normal" Text="下一页" CommandArgument="Next"></asp:linkbutton>&nbsp;

<asp:linkbutton id="PageLast" Runat="server" CssClass="Normal" Text="最后一页" CommandArgument="Last"></asp:linkbutton>&nbsp;

共<asp:label id="LBL_TOTAL" runat="server">Label</asp:label>&nbsp;条记录，当前第

<asp:label id="LBL_NOW" runat="server">Label</asp:label>&nbsp;页

</td>

</tr>

http://www.cnblogs.com/semye/archive/2007

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