cs頁面調用代碼: 複製代碼 代碼如下:
public int TotalPage = 0;
public int PageCurrent = 1;
public int PageSize = 25;
public int RowsCount = 0;
string userid, username;
public DataTable dt = new DataTable();
public string path, userwelcome;
public string opt,cid;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.Params["page"] == null Request.Params["page"].ToString().Equals(""))
PageCurrent = 1;
else
PageCurrent=int.Parse(Request.Params["page"].ToString());
this.getPage(out TotalPage, out RowsCount, PageSize, PageCurrent);
}
}
//調用預存程序的函數
private void getPage(out int totalPage, out int rowsCount, int pageSize, int currentPage)
{
SqlParameter[] parameters = {
new SqlParameter("@TotalPage", SqlDbType.Int,4),
new SqlParameter("@RowsCount", SqlDbType.Int,4),
new SqlParameter("@PageSize", SqlDbType.Int,4),
new SqlParameter("@CurrentPage", SqlDbType.Int,4),
new SqlParameter("@SelectFields", SqlDbType.NVarChar,700),
new SqlParameter("@IdField",SqlDbType.NVarChar,50),
new SqlParameter("@OrderField", SqlDbType.NVarChar,200),
new SqlParameter("@OrderType", SqlDbType.NVarChar,2),
new SqlParameter("@TableName", SqlDbType.NVarChar,300),
new SqlParameter("@strWhere", SqlDbType.NVarChar,300),
};
parameters[0].Direction = ParameterDirection.Output;
parameters[1].Direction = ParameterDirection.Output;
parameters[2].Value = pageSize;
parameters[3].Value = currentPage;
parameters[4].Value = "a.RLId,a.companyName,a.webSite,a.isRL,a.ordernum,a.isrl,a.userid";
parameters[5].Value = "a.RLId";
預存程序代碼:
複製代碼 代碼如下:
CREATE proc [dbo].[getRecordByPage]
@TotalPage int output,--總頁數
@RowsCount int output,--總條數
@PageSize int,--每頁多少資料
@CurrentPage int,--當前頁數
@SelectFields nvarchar(1000),--select 語句但是不包含select
@IdField nvarchar(50),--主鍵列
@OrderField nvarchar(50),--排序欄位,如果是多個欄位,除最後一個欄位外,後面都要加排序條件(asc/desc),不包含order by,最後一個排序欄位不用加排序條件
@OrderType nvarchar(4),--1升序,0降序
@TableName nvarchar(200),--表名
@strWhere nvarchar(300)--條件
As
Begin
declare @RecordCount float
declare @PageNum int --分頁依據數
Declare @Compare nvarchar(50)--比較欄位區分min或者max
Declare @Compare1 nvarchar(2) --大於符號“>” 或者小於符號"<“
Declare @OrderSql nvarchar(10)--排序欄位
declare @Sql nvarchar(4000)
Declare @TemSql nvarchar(1000)
Declare @nRd int
declare @afterRows int
declare @tempTableName nvarchar(10)
if(@OrderType='1')
Begin
set @OrderSql=' asc'
End
Else
Begin
set @OrderSql= ' desc'
End
if(isnull(@strWhere, '')<>'')
Set @strWhere = @strWhere
if(@strWhere='')
Set @strWhere=' 1=1 '
Set @TemSql='Select @RecordCount=Count(1) from '+@TableName +' where '+@strWhere
exec sp_executesql @TemSql,N'@RecordCount float output',@RecordCount output
Set @RowsCount=@RecordCount
Set @TotalPage= ceiling(@RecordCount/@PageSize)
if(@CurrentPage>@TotalPage)
Set @CurrentPage=@TotalPage
if(@CurrentPage<1)
Set @CurrentPage=1
if(@PageSize<1)
Set @PageSize=1
print(@RecordCount)
if(@CurrentPage=1)
Begin
set Rowcount @PageSize
set @Sql='select '+ @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +'
End
else if(@CurrentPage=@TotalPage)
begin
set @afterRows=@RowsCount-(@CurrentPage-1)*@PageSize
set RowCount @afterRows
if(@OrderType='1')
begin
set @OrderField=REPLACE(@OrderField,'asc','lai512343975')//這裡用變數將asc和desc互換,哈哈,太神了
set @OrderField=REPLACE(@OrderField,'desc','asc')
set @OrderField=REPLACE(@OrderField,'lai512343975','desc')
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +' desc'+','+@IdField +' asc'
end
else
begin
set @OrderField=REPLACE(@OrderField,'desc','lai512343975')
set @OrderField=REPLACE(@OrderField,'asc','desc')
set @OrderField=REPLACE(@OrderField,'lai512343975','asc')
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +' asc ' +','+@IdField+ ' asc'
print(@Sql)
end
--print(@Sql)
exec sp_executeSql @Sql
end
else
Begin
set @nRd=@PageSize* (@CurrentPage-1)
print(@nRd)
set RowCount @PageSize
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' and '+@IdField + ' not in (select top '+ cast(@nRd as nvarchar(10))+' '+@IdField+' from '+@TableName+' where '+ @strWhere+' order by '+@OrderField +' '+@OrderSql+','+@IdField +' asc) ' + ' order by '+ @OrderField + ' ' +@OrderSql+','+@IdField +' asc'
exec sp_executeSql @Sql
--Print(@sql)
End
end
GO