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                         <div class="codetitle"><a style="CURSOR: pointer" data="62853" class="copybut" id="copybut62853" onclick="doCopy('code62853')"> 代码如下:<div class="codebody" id="code62853"> declare @TotalCount int  declare @TotalPageCount int  exec P_viewPage_A 'type1','','id','','id asc',1,4,3,@TotalCount output,@TotalPageCount output select  from type1  Create PROC P_viewPage_A  /  nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7 QQ:34813284  敬告:适用于单一主键或存在唯一值列的表或视图  ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围  /  @TableName VARCHAR(200),--表名  @FieldList VARCHAR(2000),--显示列名,如果是全部字段则为  @PrimaryKey VARCHAR(100),--单一主键或唯一值键  @Where VARCHAR(2000),--查询条件 不含'where'字符,如id>10 and len(userid)>9  @Order VARCHAR(1000),--排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc  --注意当@SortType=3时生效,记住一定要在最后加上主键,否则会让你比较郁闷  @SortType INT,--排序规则 1:正序asc 2:倒序desc 3:多列排序方法  @RecorderCount INT,--记录总数 0:会返回总记录  @PageSize INT,--每页输出的记录数  @PageIndex INT,--当前页数  @TotalCount INT OUTPUT,--记返回总记录  @TotalPageCount INT OUTPUT --返回总页数  AS  SET NOCOUNT ON  IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0  SET @Order = RTRIM(LTRIM(@Order))  SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))  SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')  WHILE CHARINDEX(',',@Order) > 0 OR CHARINDEX(',@Order) > 0  BEGIN  SET @Order = REPLACE(@Order,')  SET @Order = REPLACE(@Order,')  END  IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''  OR ISNULL(@PrimaryKey,'') = ''  OR @SortType < 1 OR @SortType >3  OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0  BEGIN  PRINT('ERR_00')  RETURN  END  IF @SortType = 3  BEGIN  IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')  BEGIN PRINT('ERR_02') RETURN END  END  DECLARE @new_where1 VARCHAR(1000)  DECLARE @new_where2 VARCHAR(1000)  DECLARE @new_order1 VARCHAR(1000)  DECLARE @new_order2 VARCHAR(1000)  DECLARE @new_order3 VARCHAR(1000)  DECLARE @Sql VARCHAR(8000)  DECLARE @SqlCount NVARCHAR(4000)  IF ISNULL(@where,'') = ''  BEGIN  SET @new_where1 = ' '  SET @new_where2 = ' WHERE '  END  ELSE  BEGIN  SET @new_where1 = ' WHERE ' + @where  SET @new_where2 = ' WHERE ' + @where + ' AND '  END  IF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2  BEGIN  IF @SortType = 1  BEGIN  SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'  SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'  END  IF @SortType = 2  BEGIN  SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'  SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'  END  END  ELSE  BEGIN  SET @new_order1 = ' ORDER BY ' + @Order  END  IF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+' ','+@Order)>0  BEGIN  SET @new_order1 = ' ORDER BY ' + @Order  SET @new_order2 = @Order + ','  SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,'{ASC},'),'DESC,'{DESC},')  SET @new_order2 = REPLACE(REPLACE(@new_order2,')  SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,LEN(@new_order2)-1)  IF @FieldList <> ''  BEGIN  SET @new_order3 = REPLACE(REPLACE(@Order + ',')  SET @FieldList = ',' + @FieldList  WHILE CHARINDEX(',@new_order3)>0  BEGIN  IF CHARINDEX(SUBSTRING(','+@new_order3,CHARINDEX(',@new_order3)),'+@FieldList+',')>0  BEGIN  SET @FieldList =  @FieldList + ',' + SUBSTRING(@new_order3,@new_order3))  END  SET @new_order3 =  SUBSTRING(@new_order3,@new_order3)+1,LEN(@new_order3))  END  SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))  END  END  SET @SqlCount = 'SELECT @TotalCount=COUNT(),@TotalPageCount=CEILING((COUNT()+0.0)/'  + CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1  IF @RecorderCount = 0  BEGIN  EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT', @TotalCount OUTPUT,@TotalPageCount OUTPUT  END  ELSE  BEGIN  SELECT @TotalCount = @RecorderCount  END  IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)  BEGIN  SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)  END  IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)  BEGIN  IF @PageIndex = 1 --返回第一页数据  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '  + @TableName + @new_where1 + @new_order1  END  IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('  + 'SELECT TOP ' + STR(ABS(@PageSize@PageIndex-@TotalCount-@PageSize))  + ' ' + @FieldList + ' FROM '  + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '  + @new_order1  END  END  ELSE  BEGIN  IF @SortType = 1 --仅主键正序排序  BEGIN  IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '  + @TableName + @new_where2 + @PrimaryKey + ' > '  + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '  + STR(@PageSize(@PageIndex-1)) + ' ' + @PrimaryKey  + ' FROM ' + @TableName  + @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1  END  ELSE --反向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('  + 'SELECT TOP ' + STR(@PageSize) + ' '  + @FieldList + ' FROM '  + @TableName + @new_where2 + @PrimaryKey + ' < '  + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '  + STR(@TotalCount-@PageSize@PageIndex) + ' ' + @PrimaryKey  + ' FROM ' + @TableName  + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2  + ' ) AS TMP ' + @new_order1  END  END  IF @SortType = 2 --仅主键反序排序  BEGIN  IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '  + @TableName + @new_where2 + @PrimaryKey + ' < '  + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '  + STR(@PageSize(@PageIndex-1)) + ' ' + @PrimaryKey  +' FROM '+ @TableName  + @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1  END  ELSE --反向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('  + 'SELECT TOP ' + STR(@PageSize) + ' '  + @FieldList + ' FROM '  + @TableName + @new_where2 + @PrimaryKey + ' > '  + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '  + STR(@TotalCount-@PageSize@PageIndex) + ' ' + @PrimaryKey  + ' FROM ' + @TableName  + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2  + ' ) AS TMP ' + @new_order1  END  END  IF @SortType = 3 --多列排序,必须包含主键,且放置最后,否则不处理  BEGIN  IF CHARINDEX(',' + @PrimaryKey + ' ',' + @Order) = 0  BEGIN PRINT('ERR_02') RETURN END  IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '  + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '  + ' SELECT TOP ' + STR(@PageSize@PageIndex) + ' ' + @FieldList  + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '  + @new_order2 + ' ) AS TMP ' + @new_order1  END  ELSE --反向检索  BEGIN  SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '  + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '  + ' SELECT TOP ' + STR(@TotalCount-@PageSize @PageIndex+@PageSize) + ' ' + @FieldList  + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '  + @new_order1 + ' ) AS TMP ' + @new_order1  END  END  END  EXEC(@Sql)  GO 
  如何用vc#调用上面的存储过程 <div class="codetitle"><a style="CURSOR: pointer" data="54567" class="copybut" id="copybut54567" onclick="doCopy('code54567')"> 代码如下:<div class="codebody" id="code54567">  private void fyDB()  {  DataTable dt = new DataTable();  string con = System.Configuration.ConfigurationSettings.AppSettings["connectionstring"];  SqlConnection conn = new SqlConnection(con);  SqlCommand comm = new SqlCommand("P_viewPage_A",conn); //建立SqlCommand对象  comm.CommandType = CommandType.StoredProcedure; //设置SqlCommand对象执行类型为存储过程  comm.Parameters.Add("@TableName",SqlDbType.VarChar,200); //向Parameters参数列表添加参数  comm.Parameters.Add("@FieldList",2000);  comm.Parameters.Add("@PrimaryKey",100);  comm.Parameters.Add("@where",2000);  comm.Parameters.Add("@Order",1000);  comm.Parameters.Add("@SortType",SqlDbType.Int);  comm.Parameters.Add("@RecorderCount",SqlDbType.Int);  comm.Parameters.Add("@PageSize",SqlDbType.Int);  comm.Parameters.Add("@PageIndex",SqlDbType.Int);  comm.Parameters.Add("@TotalCount",SqlDbType.Int);  comm.Parameters.Add("@TotalPageCount",SqlDbType.Int);  comm.Parameters["@TotalCount"].Direction = ParameterDirection.Output; //设置参数的输出类型  comm.Parameters["@TotalPageCount"].Direction = ParameterDirection.Output; //设置参数的输出类型  comm.Parameters["@TableName"].Value = "type1";//表名  comm.Parameters["@FieldList"].Value = "";//显示列名,如果是全部字段则为*  comm.Parameters["@PrimaryKey"].Value = "id";//单一主键或唯一值键  comm.Parameters["@where"].Value = "";//查询条件 不含'where'字符,如id>10 and len(userid)>9  comm.Parameters["@Order"].Value = "id asc";//排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc  comm.Parameters["@SortType"].Value = 1;//排序规则 1:正序asc 2:倒序desc 3:多列排序方法  comm.Parameters["@RecorderCount"].Value = 0;//记录总数 0:会返回总记录  comm.Parameters["@PageSize"].Value = 2;//每页输出的记录数  int id1;  if (Request.QueryString["id"] == null)  id1 = 1;  else  id1 = Convert.ToInt32(Request.QueryString["id"]);  comm.Parameters["@PageIndex"].Value = id1;//当前页数  conn.Open();  // SqlDataReader asr = comm.ExecuteReader();  //int dtr = (int)comm.ExecuteScalar();  SqlDataReader sdr = comm.ExecuteReader();  int i=0;  //while (sdr.Read())  //{  // dt.Rows[i][0] = sdr.GetValue(0);  // dt.Rows[i][1] = sdr.GetValue(1);  /                         (编辑:莱芜站长网) 
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