Student.Web/Manage/NoticeList.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;

using Student.Model;

using CC.Common;
namespace Student.Web.Manage
{
    public partial class NoticeList : AdminBasePage
    {

        #region 基本变量
        /// <summary>
        /// 过滤条件变量
        /// </summary>
        StringBuilder condition = new StringBuilder();
        #endregion
        /// <summary>
        /// 页面载入事件
        /// </summary>
        /// <param name="sender">触发事件的对象</param>
        /// <param name="e">事件的参数</param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindData();
            }
        }
        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindData()
        {
            GetCondition();
            datagrid.VirtualItemCount = NoticeBLL.GetNoticeCount(condition.ToString());
            datagrid.DataSource = NoticeBLL.GetNoticeList(datagrid.PageSize, datagrid.CurrentPageIndex + 1, condition.ToString());
            datagrid.DataBind();
        }
        /// <summary>
        /// 获取条件
        /// </summary>
        /// <returns></returns>
        private string GetCondition()
        {
            string keyword = txtKeyword.Value.Trim();
            if (keyword != "")
            {
                if (condition.ToString() != "")
                    condition.Append(" And ");
                condition.AppendFormat("Title like '%{0}%'", keyword);
            }

            return condition.ToString();