GridView正反雙向排序

3.GridView正反雙向排序: 效果圖:點姓名各2次的排序,點其他也一樣可以。 後臺代碼: 2.默認1頁10條,如果要修改每頁條數,修改PageSize即可,在aspx代碼中是PageSize="12"。
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient; public partial class Default3 : System.Web.UI.Page { //清清月兒的博客http://blog.csdn.net/21aspnet SqlConnection sqlcon; string strCon = "Data Source=(local);Database=北風貿易;Uid=sa;Pwd="; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ViewState["SortOrder"] = "身份證號碼"; ViewState["OrderDire"] = "ASC"; bind(); } } protected void GridView1_Sorting(object sender, GridViewSortEventArgs e) { string sPage = e.SortExpression; if (ViewState["SortOrder"].ToString() == sPage) { if (ViewState["OrderDire"].ToString() == "Desc") ViewState["OrderDire"] = "ASC"; else ViewState["OrderDire"] = "Desc"; } else { ViewState["SortOrder"] = e.SortExpression; } bind(); } public void bind() { string sqlstr = "select top 5 * from 飛狐工作室"; sqlcon = new SqlConnection(strCon); SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon); DataSet myds = new DataSet(); sqlcon.Open(); myda.Fill(myds, "飛狐工作室"); DataView view = myds.Tables["飛狐工作室"].DefaultView; string sort = (string)ViewState["SortOrder"]+""+(string)ViewState["OrderDire"]; view.Sort = sort; GridView1.DataSource = view; GridView1.DataBind(); sqlcon.Close(); } } 前臺代碼: <asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False" CellPadding="3" Font-Size="9pt" OnSorting="GridView1_Sorting" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"> <FooterStyle BackColor="White" ForeColor="#000066" /> <Columns> <asp:BoundField DataField="身份證號碼" HeaderText="用戶ID" SortExpression="身份證" /> <asp:BoundField DataField="姓名" HeaderText="用戶姓名" SortExpression="姓名"/> <asp:BoundField DataField="員工性別" HeaderText="性別" SortExpression="員工性別"/> <asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址"/> </Columns> <RowStyle ForeColor="#000066" /> <SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" /> <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" /> </asp:GridView>  
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