DataList编辑、更新、取消、删除、分页

html代码：

<%...@ Page Language="C#" AutoEventWireup="true" CodeFile="DataList_DeleteUpdate1.aspx.cs"
    Inherits="DataList_DataList_DeleteUpdate1" %>

<%...@ Register Assembly="AspNetPager" Namespace="Wuqi.Webdiyer" TagPrefix="webdiyer" %>
<!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>DataList编辑、更新、取消、删除、分页</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <table width="100%" border="0" cellpadding="0" cellspacing="0">
                <tr>
                    <td>
                        <asp:DataList ID="DataList1" runat="server" Font-Size="12px" Width="100%" DataKeyField="ProductID"
                            OnCancelCommand="DataList1_CancelCommand" OnDeleteCommand="DataList1_DeleteCommand"
                            OnEditCommand="DataList1_EditCommand" OnUpdateCommand="DataList1_UpdateCommand">
                            <HeaderTemplate>
                                <td>
                                    au_id</td>
                                <td>
                                    au_lname</td>
                                <td>
                                    au_fname</td>
                                <td>
                                    phone</td>
                                <td>
                                    address</td>
                                <td>
                                    编辑</td>
                                <td>
                                    删除</td>
                            </HeaderTemplate>
                            <ItemTemplate>
                                <td>
                                    <asp:Label ID="Lbl_au_id" Text='<%#Eval("au_id")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:Label ID="Lbl_au_lname" Text='<%#Eval("au_lname")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:Label ID="Lbl_au_fname" Text='<%#Eval("au_fname")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:Label ID="Lbl_phone" Text='<%#Eval("phone")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:Label ID="Lbl_address" Text='<%#Eval("address")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:LinkButton ID="LinkButton1" Text="编辑" CommandName="Edit" runat="server"></asp:LinkButton>
                                </td>
                                <td>
                                    <asp:LinkButton ID="LinkButton3" Text="删除" CommandName="Delete" runat="server"></asp:LinkButton>
                                </td>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <td>
                                    <asp:Label ID="Lbl_au_id" Text='<%#Eval("au_id")%>' runat="server"></asp:Label>
                                </td>
                                <td>
                                    <asp:TextBox ID="Txt_au_lname" Text='<%#Eval("au_lname")%>' runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    <asp:TextBox ID="Txt_au_fname" Text='<%#Eval("au_fname")%>' runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    <asp:TextBox ID="Txt_phone" Text='<%#Eval("phone")%>' runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    <asp:TextBox ID="Txt_address" Text='<%#Eval("address")%>' runat="server"></asp:TextBox>
                                </td>
                                <td>
                                    <asp:LinkButton ID="LinkButton1" Text="更新" CommandName="Update" runat="server"></asp:LinkButton>
                                    <asp:LinkButton ID="LinkButton2" Text="取消" CommandName="Cancel" runat="server"></asp:LinkButton>
                                </td>
                                <td>
                                    <asp:LinkButton ID="LinkButton3" Text="删除" CommandName="Delete" runat="server"></asp:LinkButton>
                                </td>
                            </EditItemTemplate>
                            <FooterTemplate>
                            </FooterTemplate>
                        </asp:DataList>
                    </td>
                </tr>
                <tr>
                    <td align="center">
                        <webdiyer:AspNetPager ID="pager1" runat="server" Font-Size="12px" ShowCustomInfoSection="Left"
                            OnPageChanged="ChangePage" ShowInputBox="Always" CustomInfoSectionWidth="80%"
                            SubmitButtonText="go">
                        </webdiyer:AspNetPager>
                    </td>
                </tr>
            </table>
        </div>
    </form>
</body>
</html>

cs代码：

 

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 Wuqi.Webdiyer;

public partial class DataList_DataList_DeleteUpdate1 : System.Web.UI.Page
...{
    public string tblName = "authors";//表名
    public string fldName = "au_id";//主键字段名
    public int IsReCount = 1;//是否
    public int OrderType = 0;//排序  0升，非0降
    public string strWhere = "";//条件

    Practice.DAL.authors authorsbll = new Practice.DAL.authors();

    protected void Page_Load(object sender, EventArgs e)
    ...{
        if (!IsPostBack)
        ...{
            pager1.CurrentPageIndex = 1;//页数
            pager1.PageSize = 5;//每页多少条
            pager1.RecordCount = Convert.ToInt32(GetDataSet().Tables[1].Rows[0][0].ToString());//共多少条
            DataBindGridView();
        }
    }

    //返回dataSet
    private DataSet GetDataSet()
    ...{
        DataSet ds = authorsbll.Minutepage(tblName, fldName, pager1.PageSize, pager1.CurrentPageIndex, IsReCount, OrderType, strWhere);
        return ds;
    }

    //绑定GridView
    private void DataBindGridView()
    ...{
        DataList1.DataSource = GetDataSet().Tables[0];
        DataList1.DataKeyField = fldName;
        DataList1.DataBind();

        //显示记录信息
        pager1.CustomInfoText = "记录总数：<b>" + pager1.RecordCount.ToString() + "</b>";
        pager1.CustomInfoText += " 总页数：<b>" + pager1.PageCount.ToString() + "</b>";
        pager1.CustomInfoText += " 当前页：<font color="red"><b>" + pager1.CurrentPageIndex.ToString() + "</b></font>";
    }

    //DataList编辑
    protected void DataList1_EditCommand(object source, DataListCommandEventArgs e)
    ...{
        DataList1.EditItemIndex = e.Item.ItemIndex;
        DataBindGridView();
    }

    //DataList取消
    protected void DataList1_CancelCommand(object source, DataListCommandEventArgs e)
    ...{
        DataList1.EditItemIndex = -1;
        DataBindGridView();
    }

    //DataList更新
    protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
    ...{
        string au_id = DataList1.DataKeys[e.Item.ItemIndex].ToString();
        string au_lname = ((TextBox)e.Item.FindControl("Txt_au_lname")).Text.Trim();
        Response.Write("更新时:<br/>au_id:  " + au_id + "<br/>au_lname:  " + au_lname);
        DataList1.EditItemIndex = -1;
        DataBindGridView();
    }

    //DataList删除
    protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
    ...{
        string au_id = DataList1.DataKeys[e.Item.ItemIndex].ToString();
        string au_lname = ((Label)e.Item.FindControl("Lbl_au_lname")).Text.Trim();
        Response.Write("删除时:<br/>au_id:  " + au_id + "<br/>au_lname:  " + au_lname);
        DataBindGridView();
    }

    //分页
    protected void ChangePage(object src, PageChangedEventArgs e)
    ...{
        pager1.CurrentPageIndex = e.NewPageIndex;
        DataBindGridView();
    }

}

分页函数：

 

         /**///// <summary>
        /// </summary>
        /// <param name="tblName">表名</param>
        /// <param name="fldName">主键字段名</param>
        /// <param name="PageSize">页尺寸</param>
        /// <param name="PageIndex">页码</param>
        /// <param name="IsReCount">返回记录总数, 非 0 值则返回</param>
        /// <param name="OrderType">设置排序类型, 非 0 值则降序</param>
        /// <param name="strWhere">查询条件 (注意: 不要加 where)</param>
        /// <returns>ds</returns>
        public DataSet Minutepage(string tblName,string fldName,int PageSize,int PageIndex,int IsReCount,int OrderType,string strWhere)
        ...{
            SqlParameter[] parameters = ...{
                    new SqlParameter("@tblName", SqlDbType.VarChar,255),
                    new SqlParameter("@fldName",SqlDbType.VarChar,255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount",SqlDbType.Bit),
                    new SqlParameter("@OrderType",SqlDbType.Bit),
                    new SqlParameter("@strWhere",SqlDbType.VarChar,1000)
            };

            parameters[0].Value = tblName;
            parameters[1].Value = fldName;
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = IsReCount;
            parameters[5].Value = OrderType;
            parameters[6].Value = strWhere;

            return DbHelperSQL.RunProcedure("PR_MinutePage", parameters, "ds");
        }