gridview自动编号

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Aspx：

<asp:GridViewID="GridView1" runat="server" AutoGenerateColumns="False"Width="100%" GridLines="None" CellSpacing="2"OnSelectedIndexChanged="GridView1_SelectedIndexChanged"DataKeyNames="ItemId">

<asp:TemplateFieldHeaderText="编号">

<HeaderStyleWidth="5%" />

</asp:TemplateField>

<asp:TemplateFieldHeaderText="场馆标志">

<asp:TextBoxID="TextBox2" runat="server" Text='<%#Eval("ImageUrl")%>'></asp:TextBox>

</EditItemTemplate>

<asp:ImageID="Image1" runat="server"ImageUrl='<%#"~/Upfile/" + Eval("ImageUrl")%>' Width="30" Height="28"/>

</ItemTemplate>

</asp:TemplateField>

<asp:BoundFieldDataField="ReportTitle"HeaderText="场地名称"/>

<asp:BoundFieldDataField="LinkMan"HeaderText="联系人"/>

<asp:BoundFieldDataField="CreatedDate"HeaderText="发布日期"DataFormatString="{0:yyyy-MM-dd}"HtmlEncode="False"/>

<asp:BoundFieldDataField="ReportArea"HeaderText="面积"/>

<asp:TemplateFieldHeaderText="展览计划"ShowHeader="False">

<ItemStyleBorderWidth="0px"Wrap="False"/>

<asp:LinkButtonID="LinkButton2"runat="server"CausesValidation="false"CommandName="Select"

Text='<%#DataBinder.Eval(Container,"DataItem.ReportExprision").ToString().Length > 10 ?DataBinder.Eval(Container,"DataItem.ReportExprision").ToString().Substring(0, 10) +"..." : DataBinder.Eval(Container,"DataItem.ReportExprision")%>'></asp:LinkButton>

<%--<asp:LinkButton ID="LinkButton2"runat="server" CausesValidation="false"CommandName="Select"

Text='<%# DataBinder.Eval(Container,"DataItem.ProjectName").ToString().Length > 10 ?DataBinder.Eval(Container,"DataItem.ProjectExprision").ToString().Substring(0, 10) +"..." : DataBinder.Eval(Container,"DataItem.ProjectExprision")%>'></asp:LinkButton> --%>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateFieldHeaderText="网站链接"ShowHeader="False">

<ItemStyleBorderWidth="0px"Wrap="False"/>

<asp:HyperLinkID="hlLink" runat="server"NavigateUrl='<%#DataBinder.Eval(Container, "DataItem.ReportWeb")%>'><%#DataBinder.Eval(Container,"DataItem.ReportWeb")%></asp:HyperLink>

</ItemTemplate>

</asp:TemplateField>

</Columns>

<RowStyleFont-Size="13px" HorizontalAlign="Center" />

<HeaderStyleFont-Size="14px" HorizontalAlign="Center" />

</asp:GridView>

<tablestyle="width:100%;">

<trid="pagerTr" runat="server">

<tdalign="right" style="font-size: 12px; height: 28px">

 <asp:LabelID="labTotal" runat="server" Text="共0条记录第0页/共0页"></asp:Label>

 <asp:LinkButtonID="linkFirst" runat="server" OnClick="linkFirst_Click">首页</asp:LinkButton>

 <asp:LinkButtonID="linkPrevious" runat="server" OnClick="linkPrevious_Click">上一页</asp:LinkButton>

 <asp:LinkButtonID="linkNext" runat="server" OnClick="linkNext_Click">下一页</asp:LinkButton>

 <asp:LinkButtonID="linkLast" runat="server" OnClick="linkLast_Click">尾页</asp:LinkButton>

<asp:TextBoxID="txtRows"runat="server"Width="20px"></asp:TextBox>

<asp:LinkButtonID="linkGO" runat="server"CausesValidation="False"OnClick="linkGO_Click">GO</asp:LinkButton>

 </td>

</tr>

</table>

.CS：

#region Private Members

publicint count=0;

ReportControllerrc = new ReportController();

introwcount = 10; //要显示的行数

#endregion

protectedvoid Page_Load(objectsender,EventArgs e)

{

try

{

if (!Page.IsPostBack)

{

ViewState[this.ID +"startPage"]= 1;

ViewState[this.ID +"totalPage"]= 0;

Binder();

}

catch(Exception exc)//Modulefailed to load

{

Exceptions.ProcessModuleLoadException(this, exc);

}

///<summary>

///首页

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkFirst_Click(objectsender,EventArgs e)

{

ViewState[this.ID + "startPage"]= 1;

Binder();

}

///<summary>

///上一页

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkPrevious_Click(object sender,EventArgs e)

{

intstartPage = int.Parse(ViewState[this.ID + "startPage"].ToString());

startPage = startPage -1;

startPage = startPage< 1 ? 1 : startPage;

ViewState[this.ID + "startPage"]= startPage;

Binder();

}

///<summary>

///下一页

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkNext_Click(objectsender,EventArgs e)

{

intstartPage = int.Parse(ViewState[this.ID + "startPage"].ToString());

inttotalPage = int.Parse(ViewState[this.ID + "totalPage"].ToString());

startPage = startPage +1;

startPage = startPage> totalPage ? totalPage : startPage;

ViewState[this.ID + "startPage"]= startPage;

Binder();

}

///<summary>

///尾页

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkLast_Click(objectsender,EventArgs e)

{

ViewState[this.ID + "startPage"]= ViewState[this.ID + "totalPage"];

Binder();

}

///<summary>

///跳转指定页

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkGO_Click(objectsender,EventArgs e)

{

intcurPage = 0;

try

{

curPage = int.Parse(this.txtRows.Text.Trim());

}

catch

{

this.txtRows.Text ="";

Page.ClientScript.RegisterStartupScript(this.GetType(),"prompt","alert('输入的页码不正确，请重新输入!')",true);

return;

}

inttotalPage = int.Parse(ViewState[this.ID + "totalPage"].ToString());

curPage = curPage >totalPage ? totalPage : curPage;

curPage = curPage < 1? 1 : curPage;

ViewState[this.ID + "startPage"]= curPage;

Binder();

}

///<summary>

///搜索

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid linkSearch_Click(objectsender,EventArgs e)

{

try

{

Binder();

}

catch

{

Page.ClientScript.RegisterStartupScript(this.GetType(),"prompt","alert('查询失败，请稍后再试!')",true);

}

///<summary>

///数据绑定

///</summary>

publicvoid Binder()

{

intstart = (int.Parse(ViewState[this.ID +"startPage"].ToString())- 1) * rowcount;

inttotalCount = 0;

stringtitle = this.txtSearch.Text.Trim();

List<ReportInfo> rInfo = rc.GetQueryReports(start,rowcount, title,out totalCount);

this.GridView1.DataSource= rInfo;

this.GridView1.DataBind();

txtRows.Text = "";

ViewState[this.ID + "totalPage"]= (totalCount / rowcount) + ((totalCount % rowcount) > 0 ? 1 : 0);

labTotal.Text = "共" + totalCount.ToString() +"条记录第" + ViewState[this.ID+"startPage"].ToString() + "页/共" + ViewState[this.ID +"totalPage"].ToString() + "页";

}

///<summary>

///查看

///</summary>

///<paramname="sender"></param>

///<paramname="e"></param>

protectedvoid GridView1_SelectedIndexChanged(object sender,EventArgse)

{

intitemid = int.Parse(this.GridView1.DataKeys[this.GridView1.SelectedIndex].Value.ToString());

stringurl = ModulePath +"ViewInfo.aspx?ItemId="+ itemid;

stringscript = "<scriptlanguage='javascript'>";

script += "window.showModalDialog('" + url +"',window,'DialogHeight=600px;dialogWidth:800px;status:no;scrollbars:auto;Resizable=no;');";

script += "</script>";

Page.ClientScript.RegisterStartupScript(this.GetType(),"", script);

}

publicint GetCount()

{

count = count + 1;

intviewindex = int.Parse(ViewState[this.ID + "startPage"].ToString());

return (viewindex-1)* rowcount + count;

}

重点：

public int GetCount()

{

count = count + 1;

intviewindex = int.Parse(ViewState[this.ID + "startPage"].ToString());

return (viewindex-1)* rowcount + count;

}

其中ViewState[this.ID+ "startPage"]表示当前页的索引，比如1就表示第一页。Rowcount表示每页显示的行数（也就是多少条数据）。Count就是编码了，每页都是从1开始的。