這篇文章主要介紹了GridView自帶分頁及與DropDownList結合使用的示例分析,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
GridView自帶的分頁功能實現:
要實現GrdView分頁的功能
操作如下:
更改GrdView控件的AllowPaging屬性為true。
更改GrdView控件的PageSize屬性為 任意數值(默認為10)
更改GrdView控件的PageSetting->Mode為Numeric等(默認為Numeric)該屬性為分頁樣式。
GridView屬性設置好了,從頁面上也能看到分頁樣式。
現在開始實現分頁的功能:
在<<asp:GridView ID=......>后添加,OnPageIndexChanging="GridView1_PageIndexChanging"
在對應的aspx.cs中添加:
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; InitPage(); //重新綁定GridView數據的函數 }
參考代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="gridview_zidaifenye.aspx.cs" Inherits="gridview_zidaifenye" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="ID" PagerSettings-Mode="Numeric" OnRowDataBound="GridView1_RowDataBound" PageSize="5" OnPageIndexChanging="GridView1_PageIndexChanging"> <Columns> <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True" SortExpression="ID" /> <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" /> <asp:BoundField DataField="Stock" HeaderText="Stock" SortExpression="Stock" /> </Columns> </asp:GridView> 每頁顯示<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"> <asp:ListItem>5</asp:ListItem> <asp:ListItem>10</asp:ListItem> <asp:ListItem>15</asp:ListItem> </asp:DropDownList> 條記錄 <asp:Label ID="lblMsg" runat="server"></asp:Label> </div> </form> </body> </html>
后臺代碼:
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 = "當前頁為第" + (GridView1.PageIndex + 1).ToString() + "頁,共" + (GridView1.PageCount).ToString() + "頁"; } protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = ((GridViewPageEventArgs)e).NewPageIndex; BindGrid(); //重新綁定GridView數據的函數 } }
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