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asp.net 学习日记数据分页
作者:武汉SEO闵涛  文章来源:敏韬网  点击数1730  更新时间:2009/4/23 10:41:06  文章录入:mintao  责任编辑:mintao

想来学习 .net 也2个月了吧,最初遇到的一个问题就是分页程序获取当前页的数据并支持字段排序而且支持搜索时的 Where 语句 在网上搜了

很久也没找到,也在 Asp.net 的一些论坛上发过帖子也许是那些高手懒得理我吧(做菜鸟就是难)也许是我找东西的能力有问题,但我却找到了以下SQL 的

存储过程。

 SET @page = (@page-1) * @pagesize + 1
 EXEC sp_cursoropen @P1 output, @strSQL
 EXEC sp_cursorfetch @P1, 16, @page, @pagesize
 EXEC sp_cursorclose @P1

后来经过修改就成下面这样了(后面有个调用的例子 VB.net 版本我只会VB 不知微软何时出 masm.net 我想这辈子是没希望了)

 /* 通用存储过程分页----- 江建 
 只读取当前页 支持分类排序
*/

CREATE PROCEDURE GetPage
(
 @strTableName nvarchar(50),    --表名
 @fldName nvarchar (200),       --要返回的字段    
 @strWhere nvarchar(200)="",    --Where 语句 
 @fldOrderby nvarchar(200),     --要排序的字段
 @OrderType int=0,          --排序类型升序还是降序  
 @page int = 1,    --要获取的页码
 @pageSize int = 5   --页大小
)
AS
 SET NOCOUNT ON
 DECLARE @P1 int
 DECLARE @strSQL  nvarchar(1000)
 DECLARE @strOrderby nvarchar(200)

 IF @OrderType != 0
  SET  @strOrderby = '''' Order By ['''' + @fldOrderby +''''] DESC''''
 ELSE

  SET  @strOrderby = '''' Order By ['''' + @fldOrderby +''''] ASC''''


 IF @strWhere !=''''''''
  SET @strSQL=''''SELECT '''' + @fldName + '''' FROM ['''' + @strTableName + ''''] WHERE '''' + @strWhere + @strOrderby
 ELSE
  SET @strSQL=''''SELECT '''' + @fldName + '''' FROM ['''' + @strTableName + '''']''''  + @strOrderby
 

 SET @page = (@page-1) * @pagesize + 1
 EXEC sp_cursoropen @P1 output, @strSQL
 EXEC sp_cursorfetch @P1, 16, @page, @pagesize
 EXEC sp_cursorclose @P1
 GO

/*这个是获取记录总数----- 江建*/
CREATE PROCEDURE CountRow
(
 @strTableName nvarchar(50),
 @fldNameCount nvarchar(50),
 @strWhere nvarchar(200)=""
)
AS
 DECLARE
@strSQL  nvarchar(1000)
 IF @strWhere !=''''''''
  SET @strSQL=''''SELECT Count(['''' + @fldNameCount + '''']) As CountRow FROM ['''' + @strTableName + ''''] WHERE '''' +

@strWhere
 ELSE
  SET @strSQL=''''SELECT Count(['''' + @fldNameCount + '''']) As CountRow FROM ['''' + @strTableName + '''']''''
 
EXEC sp_executesql  @strSQL
GO


(1)下面是类模块 DataPager.vb
''''=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
''''   Data Pager
''''   Programme by Jiang Jian
''''   Date:2005-06-23
''''   Corpright(C) 2005 Jiang Jian.
''''=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
''''  
http://vbcc.126.com
''''   Email:jiangjian@Ejet.com.cn
''''   This is class for sql database pager
''''=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Imports System
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Data
Imports System.Data.SqlClient

Namespace DataLayer

    Public Class GetData
        Inherits WebControl
        Private myConn As New SqlConnection
        Private intRowCount As Integer
        Private strTableName As String
        Private strfldNameCount As String
        Private strfldName As String
        Private intPagesize As Integer
        Private strWhere As String
        Private strfldOrderby As String

        Public Function ConnectionDatabase()
            Dim strConn As String
            If Not (myConn.State) Then
                myConn.ConnectionString = "Server=(local);database=Northwind;uid=sa"
                myConn.Open()
            End If
        End Function

        ''''set or get tablename
        Public Property TableName() As String
            Get
                Return strTableName
            End Get
            Set(ByVal Value As String)
                strTableName = Value
            End Set
        End Property

        ''''set or get count(xxxx)
        Public Property fldNameCount() As String
            Get
                Return strfldNameCount
            End Get
            Set(ByVal Value As String)
                strfldNameCount = Value
            End Set
        End Property

        ''''set or get (xxxx) FROM
        Public Property fldName() As String
            Get
                Return strfldName
            End Get
            Set(ByVal Value As String)
                strfldName = Value
            End Set
        End Property

        ''''set or get pagesize
        Public Property Pagesize() As Integer
            Get
                Return intPagesize
            End Get
            Set(ByVal Value As Integer)
                intPagesize = Value
            End Set
        End Property
         ''''set or get sql where
        Public Property Where() As String
            Get
                Return strWhere
            End Get
            Set(ByVal Value As String)
                s

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