多条件组合查询+分页

///

        /// 多条件组合查询
        ///

        /// 供应商代码
        /// 物料代码
        /// 合同有效日期搜索开始日期
        /// 合同有效日期搜索结束日期
        /// 厂别
        /// 状态
        /// POCT
        /// 排序字段
        ///
        public IList MultiSearch(string suppliercode, string materialcode, string beginDate, string endDate, string companyType, string formState, string POCT, string orderField, int pagesize, int pageindex)
        {
            SqlParameter[] Parms =
               {
                   new SqlParameter("@tblName",SqlDbType.VarChar,255),
                   new SqlParameter("@strGetFields",SqlDbType.VarChar,1000),
                   new SqlParameter("@fldName",SqlDbType.VarChar,255),
                   new SqlParameter("@PageSize",SqlDbType.Int,4),
                   new SqlParameter("@PageIndex",SqlDbType.Int,4),
                   new SqlParameter("@doCount",SqlDbType.Int,4),
                   new SqlParameter("@OrderType",SqlDbType.Int,4),
                   new SqlParameter("@strWhere",SqlDbType.VarChar,1500),
               };


            Parms[0].Value = "UBS_CAS_PriceForm";
            Parms[1].Value = "*";
            Parms[2].Value = "FormID";
            Parms[3].Value = pagesize;
            Parms[4].Value = pageindex;
            Parms[5].Value = 0;
            Parms[6].Value = 1;



            string sql_select="1=1";
          
              

            if(!string.IsNullOrEmpty(suppliercode))
            {
                sql_select+="and suppliercode='"+suppliercode.ToString()+"'";
            }
            if(!string.IsNullOrEmpty(materialcode))
            {
                sql_select+=" and materialcode='"+materialcode.ToString()+"'";
            }
            if (!string.IsNullOrEmpty(companyType.ToString()))
            {
                sql_select += " and companytype=" + companyType.ToString();
            }
            if(!string.IsNullOrEmpty(POCT))
            {
                 sql_select+=" and POCT='"+POCT.ToString() +"'";
            }
            if(!string.IsNullOrEmpty(formState.ToString()))
            {
                 sql_select+=" and formState="+formState.ToString() ;
            }
            if(!string.IsNullOrEmpty(beginDate.ToString()) && !string.IsNullOrEmpty(endDate.ToString()))
            {
                sql_select+= "  And [EffectiveDate] >='" + beginDate.ToString() + "' And [EffectiveDate]<= '" + endDate.ToString() + " '";
            }
            
            
            Parms[7].Value = sql_select;
  

            //Parms[7].Value = "1=1 and suppliercode is null or suppliercode='" + suppliercode.ToString().Trim() + "' and materialcode is null or materialcode='" + materialcode.ToString() + "' AND companytype is null or CompanyType=" + companyType.ToString() + " AND POCT is null or POCT='" + POCT.ToString() + "' AND EffectiveDate between   '" + beginDate.ToString() + "' AND  '" + endDate.ToString() + "'";

  
  

            IList FormList = new List();

            using (SqlDataReader dr = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringProfile, CommandType.StoredProcedure, "UBS_System_Page", Parms))
            {
                while (dr.Read())
                {
                    Entity.CAS.PriceFormInfo priceForm = new Entity.CAS.PriceFormInfo(Convert.ToInt32(dr["formID"]), dr["materialCode"].ToString().Trim(), dr["materialDesc"].ToString().Trim(), dr["supplierCode"].ToString().Trim(), dr["supplierName"].ToString().Trim(), dr["payment"].ToString().Trim(), Convert.ToDouble(dr["tax"]), dr["currencyType"].ToString().Trim(), Convert.ToDateTime(dr["effectiveDate"]), dr["processMarDealWay"].ToString().Trim(), dr["productMarDealWay"].ToString().Trim(), dr["guaranDealWay"].ToString().Trim(), dr["idelDealWay"].ToString().Trim(), Convert.ToInt32(dr["companyType"]), dr["purchaser"].ToString().Trim(), Convert.ToInt32(dr["purchaserUID"]), dr["auditor"].ToString().Trim(), Convert.ToInt32(dr["auditorUID"]), dr["description"].ToString().Trim(), Convert.ToDateTime(dr["pubDate"]), Convert.ToInt32(dr["formState"]), dr["rejectReason"].ToString().Trim(), Convert.ToInt32(dr["itemCostModelID"]), Convert.ToDouble(dr["price"]), Convert.ToDateTime(dr["checkedDate"]), Convert.ToDouble(dr["profits"]), Convert.ToDouble(dr["totalTaxPercent"]), Convert.ToDouble(dr["processMarTax"]), Convert.ToDouble(dr["productMarTax"]), Convert.ToDouble(dr["guaranTax"]), Convert.ToInt32(dr["IsCurrentPrice"]), Convert.ToInt32(dr["FormType"]), dr["POCT"].ToString().Trim(), Convert.ToInt32(dr["MaterialClass"]), dr["Checker"].ToString().Trim(), Convert.ToInt32(dr["CheckerUID"]), Convert.ToInt32(dr["IsBatch"]), dr["AttributePath"].ToString().Trim(), dr["BatchNo"].ToString().Trim());

                    FormList.Add(priceForm);
                }

            }
            return FormList;
        }

-- =============================================
-- Author:Dezai  www.Dezai.cn
-- Create date:2008-06-04 11:19:52
-- Description:查询分页集合(通用存储过程)
-- =============================================
Create PROCEDURE UP_GetCollectionPage
    (
        @tblName VARCHAR(255), -- 表名
        @strGetFields VARCHAR(1000) = '*', -- 需要返回的列
        @fldName VARCHAR(255)='', -- 排序的字段名
        @PageSize INT = 10, -- 页尺寸
        @PageIndex INT = 1, -- 页码
        @doCount BIT = 0, -- 返回记录总数, 非 0 值则返回
        @OrderType BIT = 0, -- 设置排序类型, 非 0 值则降序
        @strWhere VARCHAR(1500) = '' -- 查询条件 (注意: 不要加 Where)
    )
AS

    SET NOCOUNT ON

        DECLARE @strSQL VARCHAR(5000) -- 主语句
        DECLARE @strTmp VARCHAR(110) -- 临时变量
        DECLARE @strOrder VARCHAR(400) -- 排序类型


        IF(@doCount != 0)
            BEGIN
                IF @strWhere !=''
                    SET @strSQL = 'Select COUNT(1) AS Total FROM [' + @tblName + '] Where '+@strWhere
                ELSE
                    SET @strSQL = 'Select COUNT(1) AS Total FROM [' + @tblName + ']'
            END
            --以上代码的意思是如果@doCount传递过来的不是0，就执行总数统计。以下的所有代码都是@doCount为0的情况
        ELSE
            BEGIN
                IF @OrderType != 0
                    BEGIN
                        SET @strTmp = '<(Select MIN'
                        SET @strOrder = ' orDER BY [' + @fldName +'] DESC'
                        --如果@OrderType不是0，就执行降序，这句很重要
                    END
                ELSE
                    BEGIN
                        SET @strTmp = '>(Select MAX'
                        SET @strOrder = ' orDER BY [' + @fldName +'] ASC'
                    END

                IF @PageIndex = 1
                    BEGIN
                        IF @strWhere != ''
                            SET @strSQL = 'Select TOP ' + str(@PageSize) +' '+@strGetFields+ ' FROM [' + @tblName + '] Where ' + @strWhere + ' ' + @strOrder
                        ELSE
                            SET @strSQL = 'Select TOP ' + str(@PageSize) +' '+@strGetFields+ ' FROM ['+ @tblName + '] '+ @strOrder
                        --如果是第一页就执行以上代码，这样会加快执行速度
                    END
                ELSE
                    BEGIN
                        --以下代码赋予了@strSQL以真正执行的SQL代码
                        SET @strSQL = 'Select TOP ' + str(@PageSize) +' '+@strGetFields+ ' FROM ['
                        + @tblName + '] Where [' + @fldName + ']' + @strTmp + '(['+ @fldName + ']) FROM (Select TOP ' + str((@PageIndex-1)*@PageSize) + ' ['+ @fldName + '] FROM [' + @tblName + ']' + @strOrder + ') AS tblTmp)'+ @strOrder
                        IF @strWhere != ''
                        SET @strSQL = 'Select TOP ' + str(@PageSize) +' '+@strGetFields+ ' FROM ['
                        + @tblName + '] Where [' + @fldName + ']' + @strTmp + '(['
                        + @fldName + ']) FROM (Select TOP ' + str((@PageIndex-1)*@PageSize) + ' ['
                        + @fldName + '] FROM [' + @tblName + '] Where ' + @strWhere + ' '
                        + @strOrder + ') AS tblTmp) AND ' + @strWhere + ' ' + @strOrder
                    END
            END

        EXEC (@strSQL)

    SET NOCOUNT OFF
GO