动软模糊查询

查询按钮

protected void btnSearch_Click(object sender, EventArgs e)
        {
            //Maticsoft.BLL.Post_Info post = new BLL.Post_Info();
            //post.GetList("postName like '%" + this.txtKeyword.Text + "%' or departmenName like '%" + this.txtKeyword.Text + "%' or postDescribe like '%" + this.txtKeyword.Text + "%'");
            //gridView.DataSource = ds;
            //gridView.DataBind();
            BindData();
        }

/// <summary>
        /// 模糊查询
        /// </summary>        
        public void BindData()
        {
            #region
            //if (!Context.User.Identity.IsAuthenticated)
            //{
            //    return;
            //}
            //AccountsPrincipal user = new AccountsPrincipal(Context.User.Identity.Name);
            //if (user.HasPermissionID(PermId_Modify))
            //{
            //    gridView.Columns[6].Visible = true;
            //}
            //if (user.HasPermissionID(PermId_Delete))
            //{
            //    gridView.Columns[7].Visible = true;
            //}
            #endregion

            DataSet ds = new DataSet();
            StringBuilder strWhere = new StringBuilder();
            if (txtKeyword.Text.Trim() != "")
            {      
                #warning 代码生成警告：请修改 keywordField 为需要匹配查询的真实字段名称
                strWhere.AppendFormat("postName like '%{0}%' or departmenName like '%{0}%' or postDescribe like '%{0}%'", txtKeyword.Text.Trim());
            }            
            ds = bll.GetList(strWhere.ToString());            
            gridView.DataSource = ds;
            gridView.DataBind();
        }

BLL

/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			return dal.GetList(strWhere);
		}

DAL

/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select postid,postName,departmenName,postDescribe ");
			strSql.Append(" FROM Post_Info ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}