A simple BBS demo including(CRUD) - 3

6. Create a web form named "List" in the website.

List.aspx

==========

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="List.aspx.cs" Inherits="List" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>List</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <asp:Label ID="lblBbs" Text="BBS DEMO" runat="server" BackColor="LightBlue" Width="506px"></asp:Label>
    <asp:GridView ID="gridList" runat="server" AutoGenerateColumns="False"
            AllowPaging="True" PageSize="2"
            ondatabound="gridList_DataBound" DataSourceID="SqlDataSource1"
            onpageindexchanging="gridList_PageIndexChanging">
        <AlternatingRowStyle BackColor="AliceBlue" />
        <Columns>
            <asp:TemplateField HeaderText="Number">
                <ItemTemplate>
                    <asp:Label ID="lblID" runat="server"><%#Eval("ID") %></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Title">
                <ItemTemplate>
                    <asp:Label ID="lblTitle" Width="200px" runat="server"><%#Eval("Title").ToString().Length > 25 ?Eval("Titel").ToString().Substring(0,25) + "...":Eval("Title") %></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Writer">
                <ItemTemplate>
                    <asp:Label ID="lblWriter" Width="100px" runat="server"><%#Eval("Writer") %></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="WirteDate">
                <ItemTemplate>
                    <asp:Label ID="lblWriteDate" Width="100px" runat="server"><%#Eval("WriteDate","{00:yyyy-MM-dd}") %></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Read">
                <ItemTemplate>
                    <asp:LinkButton ID="linkRead" Text="Read" runat="server" CommandName='<%#Eval("ID") %>'
                        oncommand="linkRead_Command"></asp:LinkButton>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
       
         <PagerSettings PageButtonCount="4" />
            <PagerTemplate>
                <table>
                    <tr>
                        <td>
                            <asp:Button ID="btnPrevList" runat="server" CommandName="Page" CausesValidation="false" Text="..." />&nbsp;
                            <asp:Button ID="btnFirst" runat="server" CommandName="Page" CommandArgument="First" CausesValidation="false" Text="1" />
                            <asp:Literal ID="lFirst" runat="server" Text="..."></asp:Literal>
                           
                            <asp:Button ID="btnNum1" runat="server" CommandName="Page" CausesValidation="false" />
                            <asp:Button ID="btnNum2" runat="server" CommandName="Page" CausesValidation="false" />
                            <asp:Button ID="btnNum3" runat="server" CommandName="Page" CausesValidation="false" />
                            <asp:Button ID="btnNum4" runat="server" CommandName="Page" CausesValidation="false" />
                            <asp:Button ID="btnNum5" runat="server" CommandName="Page" CausesValidation="false" />
                           
                            <asp:Literal ID="lLast" runat="server" Text="..."></asp:Literal>                         
                            <asp:Button ID="btnLast" runat="server" CommandName="Page" CommandArgument="Last" CausesValidation="false" />&nbsp;
                            <asp:Button ID="btnNextList" runat="server" CommandName="Page" CausesValidation="false" Text="..." />&nbsp;
                            <asp:textbox id="txtNewPageIndex" runat="server" width="20px" text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1%>' Font-Size="10" />
                            <asp:linkbutton id="btnGo" runat="server" causesvalidation="False" commandargument="-1" commandname="Page" text="SEARCH" />
                        </td>
                    </tr>
                    <tr>
                        <td>
                            총<asp:Label ID="TotalPagesLabel" runat="server" Font-Bold="true"></asp:Label>페이지중
                            <asp:Label ID="PageNumberLabel" runat="server" Font-Bold="true"></asp:Label>페이지                          
                        </td>
                    </tr>
                </table>
            </PagerTemplate>
    </asp:GridView>
   
        <asp:SqlDataSource ID="SqlDataSource1" runat="server"
            ConnectionString="<%$ ConnectionStrings:BBSConnectionString %>"
            SelectCommand="SELECT [id], [title], [writer], [writeDate] FROM [bbs]">
        </asp:SqlDataSource>
   
    <p><asp:Button ID="btnInsert" Text="Write" runat="server"
            onclick="btnInsert_Click" /></p>
    </div>
    </form>
</body>
</html>

============================================================================================

List.aspx.cs

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class List : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void btnInsert_Click(object sender, EventArgs e)
    {
        Response.Redirect("Insert.aspx");
    }
    protected void linkRead_Command(object sender, CommandEventArgs e)
    {
        int id = Convert.ToInt32(e.CommandName);
        Response.Redirect("Read.aspx?ID=" + id);
    }
    protected void gridList_DataBound(object sender, EventArgs e)
    {
        GridView gv = (GridView)sender;
        GridViewRow pagerRow = gv.BottomPagerRow;

        Label pageNum = (Label)pagerRow.Cells[0].FindControl("PageNumberLabel");
        Label totalNum = (Label)pagerRow.Cells[0].FindControl("TotalPagesLabel");

        if ((pageNum != null) && (totalNum != null))
        {
            int page = gv.PageIndex + 1;
            int count = gv.PageCount;

            pageNum.Text = page.ToString();
            totalNum.Text = count.ToString();
        }

        new DAL().CreateNumericPager(gv, pagerRow);
    }

    protected void gridList_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView theGrid = (GridView)sender;  // refer to the GridView
        int newPageIndex = 0;

        if (-2 == e.NewPageIndex)
        {
            TextBox txtNewPageIndex = null;
            GridViewRow pagerRow = theGrid.BottomPagerRow;

            if (null != pagerRow)
            {
                txtNewPageIndex = (TextBox)pagerRow.FindControl("txtNewPageIndex");
            }

            if (null != txtNewPageIndex)
            {
                newPageIndex = int.Parse(txtNewPageIndex.Text) - 1;
            }
        }
        else
        { 
            newPageIndex = e.NewPageIndex;
        }

        newPageIndex = newPageIndex < 0 ? 0 : newPageIndex;
        newPageIndex = newPageIndex >= theGrid.PageCount ? theGrid.PageCount - 1 : newPageIndex;

        theGrid.PageIndex = newPageIndex;
    }
}

posted @ 2009-01-13 23:38  OOK  阅读(212)  评论(0编辑  收藏  举报