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asp.net中如何调用sql存储过程实现分页

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

首先看下面的代码创建存储过程

1、创建存储过程，语句如下：

 CREATE PROC P_viewPage
 @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,'{ASC},','DESC,'),'{DESC},','ASC,')
   SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)  
   IF @FieldList <> '*'
    BEGIN  
     SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')     
     SET @FieldList = ',' + @FieldList   
     WHILE CHARINDEX(',',@new_order3)>0
     BEGIN
      IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0
      BEGIN 
      SET @FieldList = 
       @FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))   
      END
      SET @new_order3 = 
      SUBSTRING(@new_order3,CHARINDEX(',',@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
 PRINT(@Sql)
 EXEC(@Sql)
GO

2、SQL Server 中调用测试代码

--执行存储过程

declare @TotalCount int,
    @TotalPageCount int
exec P_viewPage 'T_Module','*','ModuleID','','',1,0,10,1,@TotalCount output,@TotalPageCount output
Select @TotalCount,@TotalPageCount;

asp.net 代码实现：

#region ===========通用分页存储过程===========
  public static DataSet RunProcedureDS(string connectionString, string storedProcName, IDataParameter[] parameters, string tableName)
  {
 using (SqlConnection connection = new SqlConnection(connectionString))
 {
   DataSet dataSet = new DataSet();
   connection.Open();
   SqlDataAdapter sqlDA = new SqlDataAdapter();
   sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
   sqlDA.Fill(dataSet, tableName);
   connection.Close();
   return dataSet;
 }
  }
  /// <summary>
  /// 通用分页存储过程
  /// </summary>
  /// <param name="connectionString"></param>
  /// <param name="tblName"></param>
  /// <param name="strGetFields"></param>
  /// <param name="primaryKey"></param>
  /// <param name="strWhere"></param>
  /// <param name="strOrder"></param>
  /// <param name="sortType"></param>
  /// <param name="recordCount"></param>
  /// <param name="PageSize"></param>
  /// <param name="PageIndex"></param>
  /// <param name="totalCount"></param>
  /// <param name="totalPageCount"></param>
  /// <returns></returns>
  public static DataSet PageList(string connectionString, string tblName, string strGetFields, string primaryKey, string strWhere, string strOrder, int sortType, int recordCount,
 int PageSize, int PageIndex,ref int totalCount,ref int totalPageCount)
  {
 SqlParameter[] parameters ={ new SqlParameter("@TableName ",SqlDbType.VarChar,200),
  new SqlParameter("@FieldList",SqlDbType.VarChar,2000),
  new SqlParameter("@PrimaryKey",SqlDbType.VarChar,100),
  new SqlParameter("@Where",SqlDbType.VarChar,2000),
  new SqlParameter("@Order",SqlDbType.VarChar,1000),
  new SqlParameter("@SortType",SqlDbType.Int),
  new SqlParameter("@RecorderCount",SqlDbType.Int),
  new SqlParameter("@PageSize",SqlDbType.Int),
  new SqlParameter("@PageIndex",SqlDbType.Int),
  new SqlParameter("@TotalCount",SqlDbType.Int),
  new SqlParameter("@TotalPageCount",SqlDbType.Int)};

 parameters[0].Value = tblName;
 parameters[1].Value = strGetFields;
 parameters[2].Value = primaryKey;
 parameters[3].Value = strWhere;
 parameters[4].Value = strOrder;
 parameters[5].Value = sortType;
 parameters[6].Value = recordCount;
 parameters[7].Value = PageSize;
 parameters[8].Value = PageIndex;
 parameters[9].Value = totalCount;
 parameters[9].Direction = ParameterDirection.Output;
 parameters[10].Value = totalPageCount;
 parameters[10].Direction = ParameterDirection.Output;

 DataSet ds = RunProcedureDS(connectionString, "P_viewPage", parameters, "PageListTable");
 totalCount = int.Parse(parameters[9].Value.ToString());
 totalPageCount = int.Parse(parameters[10].Value.ToString());
 return ds;
  }
  #endregion
DataSet ds = SqlHelper.PageList(SqlHelper.LocalSqlServer, "T_User", "*", "UserID", "", "", 1, 0, pageSize, 1, ref totalCount, ref totalPageCount);
this.RptData.DataSource = ds;
this.RptData.DataBind();

以上内容就是本文介绍asp.net中如何调用sql存储过程实现分页的全部内容，希望对大家今后的学习有所帮助，当然方法不止本文所述，欢迎与大家分享好的方案。

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