解析GridView自带分页及与DropDownList结合使用_实用技巧_

 protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; InitPage(); //重新绑定GridView数据的函数 }

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="gridview_zidaifenye.aspx.cs" Inherits="gridview_zidaifenye" %>
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 using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class gridview_zidaifenye : System.Web.UI.Page { DBAccess db = new DBAccess(); protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { // gvProduct.DataSource = getData(); // gvProduct.DataBind(); BindGrid(); } } public void BindGrid() { SqlCommand comm = db.CreateCommand("select * from product p,Uuser u where p.userid=u.id"); SqlDataAdapter sda = new SqlDataAdapter(); sda.SelectCommand = comm; DataSet ds = new DataSet(); sda.Fill(ds,"Datatable"); DataView dv = ds.Tables[0].DefaultView; GridView1.DataSource = dv; GridView1.DataBind(); } protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { GridView1.PageSize = int.Parse(DropDownList1.SelectedValue); GridView1.PageIndex = 0; BindGrid(); //GridView1.DataBind(); } protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { lblMsg.Text = "当前页为第" + (GridView1.PageIndex + 1).ToString() + "页，共" + (GridView1.PageCount).ToString() + "页"; } protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = ((GridViewPageEventArgs)e).NewPageIndex; BindGrid(); //重新绑定GridView数据的函数 } }