存储过程，分页查询
存储过程Create PROCEDURE . -- Add the parameters for the stored procedure here@Tables varchar(1000),--表名称,视图@PrimaryKey varchar(100),--主关键字@Sort varchar(200) = NULL,--排序语句，不带Order By 比如：NewsID Desc,OrderRows Asc@CurrentPage int = 1,--当前页码@PageSize int = 10,--分页尺寸@Fields varchar(1000) = '*',@Filter varchar(1000) = NULL,--过滤语句，不带Where @Group varchar(1000) = NULL--Group语句,不带Group ByAS/**//*默认排序*/IF @Sort IS NULL or @Sort = ''SET @Sort = @PrimaryKeyDECLARE @SortTable varchar(100)DECLARE @SortName varchar(100)DECLARE @strSortColumn varchar(200)DECLARE @operator char(2)DECLARE @type varchar(100)DECLARE @prec int/**//*设定排序语句.*/IF CHARINDEX('DESC',@Sort)>0BEGINSET @strSortColumn = REPLACE(@Sort, 'DESC', '')SET @operator = '<='ENDELSEBEGINIF CHARINDEX('ASC', @Sort) = 0SET @strSortColumn = REPLACE(@Sort, 'ASC', '')SET @operator = '>='ENDIF CHARINDEX('.', @strSortColumn) > 0BEGINSET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX('.',@strSortColumn))SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX('.',@strSortColumn) + 1, LEN(@strSortColumn))ENDELSEBEGINSET @SortTable = @TablesSET @SortName = @strSortColumnENDSelect @type=t.name, @prec=c.precFROM sysobjects o JOIN syscolumns c on o.id=c.idJOIN systypes t on c.xusertype=t.xusertypeWhere o.name = @SortTable AND c.name = @SortNameIF CHARINDEX('char', @type) > 0SET @type = @type + '(' + CAST(@prec AS varchar) + ')'DECLARE @strPageSize varchar(50)DECLARE @strStartRow varchar(50)DECLARE @strFilter varchar(1000)DECLARE @strSimpleFilter varchar(1000)DECLARE @strGroup varchar(1000)/**//*默认当前页*/IF @CurrentPage < 1SET @CurrentPage = 1/**//*设置分页参数.*/SET @strPageSize = CAST(@PageSize AS varchar(50))SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize + 1) AS varchar(50))/**//*筛选以及分组语句.*/IF @Filter IS NOT NULL AND @Filter != ''BEGINSET @strFilter = ' Where ' + @Filter + ' 'SET @strSimpleFilter = ' AND ' + @Filter + ' 'ENDELSEBEGINSET @strSimpleFilter = ''SET @strFilter = ''ENDIF @Group IS NOT NULL AND @Group != ''SET @strGroup = ' GROUP BY ' + @Group + ' 'ELSESET @strGroup = ''/**//*执行查询语句*/EXEC('DECLARE @SortColumn ' + @type + 'SET ROWCOUNT ' + @strStartRow + 'Select @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + ' orDER BY ' + @Sort + 'SET ROWCOUNT ' + @strPageSize + 'Select ' + @Fields + ' FROM ' + @Tables + ' Where ' + @strSortColumn + @operator + ' @SortColumn ' + @strSimpleFilter + ' ' + @strGroup + ' orDER BY ' + @Sort + '')
C#代码
private void TestQuery() { SqlDataAdapter ads = new SqlDataAdapter(); string connstr = ConfigurationSettings.AppSettings["ConnectionString"]; SqlConnection conn =new SqlConnection(connstr); if (conn.State != ConnectionState.Open) { conn.Open(); } SqlCommand cmd = new SqlCommand("ProQuery", conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add("@Tables", SqlDbType.VarChar); cmd.Parameters["@Tables"].Value = "Customer_Company_Info"; cmd.Parameters.Add("@PrimaryKey", SqlDbType.VarChar); cmd.Parameters["@PrimaryKey"].Value = "Company_Tax_Num"; cmd.Parameters.Add("@CurrentPage", SqlDbType.Int); cmd.Parameters["@CurrentPage"].Value = 1; cmd.Parameters.Add("@PageSize", SqlDbType.Int); cmd.Parameters["@PageSize"].Value = 1; cmd.Parameters.Add("@Filter", SqlDbType.VarChar); cmd.Parameters["@Filter"].Value = "Security_Fiscal=1"; cmd.ExecuteNonQuery(); ads.SelectCommand = cmd; DataSet ds = new DataSet(); ads.Fill(ds); }
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