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  • AspNetPager分页功能总结

    下载AspNetPager.dll文件,放到项目bin文件夹中,并在项目中引用,然后添加到工具栏,可以实现拖拽控件了

    拖拽AspNetPager到项目文件中,我的是用的repeater控件,拖拽到这个控件的底部,然后在aspx页面中,第二行代码中会多出

    <%@ Register Assembly="AspNetPager" Namespace="Wuqi.Webdiyer" TagPrefix="webdiyer" %>

    这么一句,然后在repeater控件下边会有一个

    <webdiyer:AspNetPager ID="AspNetPager1" runat="server">
    </webdiyer:AspNetPager>

    对AspNetPager控件编辑其属性

    <webdiyer:AspNetPager ID="PageCtrl" runat="server" PageSize="5" 
                          HorizontalAlign="Center" Width="100%" 
                          meta:resourceKey="AspNetPager1" Style="font-size: 10px"
                        AlwaysShow="false" FirstPageText="首页" LastPageText="尾页" NextPageText="下一页" 
                          PrevPageText="上一页" SubmitButtonText="Go"  SubmitButtonClass="submitBtn"
                        CustomInfoStyle="font-size:14px;text-align:left;" 
                          InputBoxStyle="25px; border:1px solid #999999; text-align:center; " 
                          TextBeforeInputBox="转到第" TextAfterInputBox="页 " PageIndexBoxType="TextBox" 
                          ShowPageIndexBox="Always" TextAfterPageIndexBox="页" 
                          TextBeforePageIndexBox="转到" Font-Size="10px" CustomInfoHTML="共&lt;font color='#ff0000'&gt;%PageCount%&lt;/font&gt;页,第<font color='#ff0000'>%CurrentPageIndex%</font>页" 
                          ShowCustomInfoSection="Left" CustomInfoSectionWidth="19%" 
                          PagingButtonSpacing="3px" onpagechanged="AspNetPager1_PageChanged">
            </webdiyer:AspNetPager>

    具体都是什么自己有时间去查吧我也不太了解

    aspx页面文件基本搞定,后台代码中我把一些东西写到操作类中了

    :取出每一页中的数据

    /// <summary>
            /// 分页
            /// </summary>
            /// <returns>返回DataTable数据集</returns>
            public DataTable SelectAll(int startIndex,int size)
            {
                DataTable dt = new DataTable();
                string sql = @"select * from  
                                ( select *, ROW_NUMBER() OVER(Order by  id asc ) AS RowNumber from category)   b 
                                where RowNumber BETWEEN '" + startIndex + "' and '" + size + "' ";
                dt = sqlhelper.ExecuteQuery(sql,CommandType.Text);
                return dt;
            }

    取出总的页数

    /// <summary>
            /// 取出当前所有新闻分类总条数
            /// </summary>
            /// <returns>返回DataTable数据集</returns>
            public int SelectCaCount()
            {
                int MyCount;
                string sql = @"select count(0) from category    ";
                MyCount=new SQLHelper().GetRecordCount(sql);
                return MyCount;
            }

    用到的sqlhelper类中的方法有:

    /// <summary>
            /// ExecuteScalar--返回首行首列 
            /// </summary>
            /// <param name="XSqlString">sql语句</param>
            /// <returns>返回结果集的首行首列</returns>
            public int GetRecordCount(string XSqlString)
            {
                string SCount;
    
                SqlCommand Cmd = new SqlCommand(XSqlString, GetConn());
                SCount = Cmd.ExecuteScalar().ToString().Trim(); //返回结果集的首行首列,忽略其它
                if (SCount == "")
                    SCount = "0";
    
                return Convert.ToInt32(SCount);
            }
    /// <summary>
            /// 执行带参数的增删改SQL语句或存储过程
            /// </summary>
            /// <param name="sql">带参数的增删改SQL语句或存储过程</param>
            /// <param name="ct">命令类型</param>
            /// <returns></returns>
            public DataTable ExecuteQuery(string cmdText,CommandType ct)
            {
                DataTable dt = new DataTable();
                cmd = new SqlCommand(cmdText, GetConn());
                cmd.CommandType = ct;
                using (sdr = cmd.ExecuteReader(CommandBehavior.CloseConnection))
                {
                    dt.Load(sdr);
                }
                return dt;
            }
    public SQLHelper()
            {
                string connStr = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;
                conn = new SqlConnection(connStr);
            }
    
            private SqlConnection GetConn()
            {
                if (conn.State==ConnectionState.Closed)
                {
                    conn.Open();
                }
                return conn;
            }
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  • 原文地址:https://www.cnblogs.com/juexin/p/2891066.html
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