分页存储过程
这个是我在项目中用到的存储过程分页，现在摘录下来
在SQL数据库编写存储过程语句
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USE [ExTzglDev]
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GO
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/*
***** Object: StoredProcedure [dbo].[UP_GetRecordByPage] Script Date: 07/11/2011 11:16:57 *****
*/
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SET ANSI_NULLS ON
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GO
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SET QUOTED_IDENTIFIER ON
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GO
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Create PROCEDURE [dbo].[UP_GetRecordByPage]
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@TableName varchar(
255
),
--
表名
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@PageSize
int
=
10
,
--
页尺寸
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@PageIndex
int
=
1
,
--
页码
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@OrderColumn varchar(
255
),
--
主排序字段名()
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@OrderType varchar(
4
)
=
'
Asc
'
,
--
设置排序类型,
0
值表示升序
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@WhereStr varchar(
1500
)
=
''
,
--
查询条件 (注意: 不要加
where
)
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@TotalCount
int
output,
--
返回记录总数
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@OrderBy varchar(
255
)
=
''
--
副排序字段名
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AS
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Declare @strSQL varchar(
4000
)
--
主语句
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Declare @Sort nvarchar(
500
)
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if
@OrderColumn
<>
''
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Begin
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if
UPPER( @OrderType)
=
'
ASC
'
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set
@Sort
=
@OrderColumn
+
'
Asc
'
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else
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set
@Sort
=
@OrderColumn
+
'
Desc
'
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End
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if
@OrderBy
<>
''
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set
@Sort
=
@Sort
+
'
,
'
+
@OrderBy
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Set @strSQL
=
'
SELECT * FROM (SELECT *,ROW_NUMBER() OVER(Order By
'
+
@Sort
+
'
) AS rownum
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FROM
'
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if
@WhereStr
=
''
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set
@strSQL
=
@strSQL
+
'
'
+
@TableName
+
'
) AS D
'
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else
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set
@strSQL
=
@strSQL
+
'
(Select * From
'
+
@TableName
+
'
WHERE (
'
+
@WhereStr
+
'
)) AS B) AS D
'
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set
@strSQL
=
@strSQL
+
'
WHERE (rownum BETWEEN
'
+
str((@PageIndex
-
1
)
*
@PageSize
+
1
)
+
'
AND
'
+
str(@PageIndex
*
@PageSize)
+
'
)
'
--
Order By
'
+ @Sort
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Declare @strCount nvarchar(
2000
)
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if
@WhereStr
<>
''
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set
@strCount
=
N
'
select @TotalCount=Count(*) from [
'
+
@TableName
+
'
] Where (
'
+
@WhereStr
+
'
)
'
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else
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set
@strCount
=
N
'
select @TotalCount=Count(*) from [
'
+
@TableName
+
'
]
'
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execute sp_executesql @strCount,N
'
@TotalCount int output
'
,@TotalCount output
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exec (@strSQL)
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return
@TotalCount
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GO
在数据操作层DAL的代码：
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///
<summary>
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///
分页获取数据列表
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///
</summary>
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///
<param name="fieldlist">
查找的字段
</param>
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///
<param name="tablename">
表名
</param>
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///
<param name="where">
查询条件
</param>
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///
<param name="orderfield">
排序字段
</param>
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///
<param name="key">
主键
</param>
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///
<param name="pageindex">
页索引
</param>
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///
<param name="pagesize">
每页记录数
</param>
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///
<param name="ordertype">
排序方式 0=ASC 1=DESC
</param>
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///
<param name="recordcount">
总记录数
</param>
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///
<returns></returns>
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public
DataTable GetPagerData(
string
tablename,
string
where
,
string
orderfield,
string
orderDerect,
int
pageindex,
int
pagesize,
out
int
totalCount )
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{
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SqlParameter[] para
=
new
SqlParameter[
7
];
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para[
0
]
=
new
SqlParameter(
"
@TableName
"
, tablename);
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para[
1
]
=
new
SqlParameter(
"
@PageSize
"
, pagesize);
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para[
2
]
=
new
SqlParameter(
"
@PageIndex
"
, pageindex);
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para[
3
]
=
new
SqlParameter(
"
@OrderColumn
"
, orderfield);
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para[
4
]
=
new
SqlParameter(
"
@OrderType
"
, orderDerect.Trim()
==
""
?
"
Asc
"
: orderDerect);
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para[
5
]
=
new
SqlParameter(
"
@WhereStr
"
,
where
);
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para[
6
]
=
new
SqlParameter(
"
@TotalCount
"
, SqlDbType.Int);
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para[
6
].Direction
=
ParameterDirection.Output;
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DataTable dt
=
DbHelperSQL.RunProcedure(
"
UP_GetRecordByPage
"
, para,
"
resultSet
"
).Tables[
0
];
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totalCount
=
int
.Parse(para[
6
].Value.ToString());
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return
dt;
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}
同在数据操作层的 DbHelperSQL代码为：
View Code
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///
<summary>
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///
执行存储过程
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///
</summary>
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///
<param name="storedProcName">
存储过程名
</param>
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///
<param name="parameters">
存储过程参数
</param>
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///
<param name="tableName">
DataSet结果中的表名
</param>
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///
<returns>
DataSet
</returns>
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public
static
DataSet RunProcedure(
string
storedProcName, IDataParameter[] parameters,
string
tableName)
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{
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using
(SqlConnection connection
=
new
SqlConnection(connectionString))
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{
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DataSet dataSet
=
new
DataSet();
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connection.Open();
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SqlDataAdapter sqlDA
=
new
SqlDataAdapter();
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sqlDA.SelectCommand
=
BuildQueryCommand(connection, storedProcName, parameters);
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sqlDA.Fill(dataSet, tableName);
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connection.Close();
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return
dataSet;
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}
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}