Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linq to sql ·ÖÒ³ µÄ¼¸ÖÖ·½·¨

1.Êý¾ÝµÄ·Ö²¼Skip()ºÍtake()
Skip(100)´ú±íÌø¹ý100Ðкó.´ÓµÚ101ÐпªÊ¼·ÖÒ³;
take(10)±íʾ¶àÉÙÐзÖÒ³;
Àý:
var result=from pdt in db.Product
                 select pdt;
this.dataview.DataSource=result.Skip(10).take(10);
this dataview.DataBind();
×¢:ÕâÖÖ·½Ê½Ò»´ÎÐÔ²éѯ³öÀ´ËùÓÐÊý¾Ý,È»ºóÔÙ·ÖÒ³;
2.ÏÂÃæµÄ·½Ê½ÊÇÿ¸öÌύʱ°ó¶¨µÄ¶¼ÊÇÌض¨µÄÊý¾Ý,¶ø·ÇËùÓÐÊý¾Ý;
public overridevoid DataBind()
{
     db.log=this.response.output;
          var result=from pdt in db.product
                             select pdt;
          int skipNumber=Int.parse(this.textbox1.text)*10;
           this.dataview.DataSource=result.Skip(skipNumber).take(10);
           this dataview.DataBind();
}
protected void NextButton_Click(Object sender,EventArgs e)
{
this textbox1.text=(int.parse(this.textbox1.text)+1).ToString);
this.DataBind();
}
protected void form_Load(Object send,EventArgs e)
{
        if (!this.IsPostBack)
         {
                   this.DataBind();
       }
}
4¡¢
·Ñ»°²»¶à˵£¬Ö÷ÒªÊÇLinqÖеÄSkip¼°TakeÕâ¶þ¸öÀ©Õ¹·½·¨
int RecordCount = 0;
int PageCount = 1;
DataClassesDataContext data = new DataClassesDataContext();
int SkipIndex = 0;
private string _PageString = "";
public string PageString
{
get {
return _PageString;
}
set {
_PageString = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
RecordCount = data.Orders.Coun


Ïà¹ØÎĵµ£º

SQL ServerµÄ»Ö¸´Ä£Ê½

»Ö¸´Ä£Ê½£¨Recovery Model£©Ö¼ÔÚ¿ØÖÆÊÂÎñÈÕ־ά»¤¡£»Ö¸´Ä£Ê½ËµÃ÷Á˹¤×÷¶ªÊ§µÄ·çÏÕ£¬ÄÜ·ñ»Ö¸´µ½Ê±µã£¿ 
SQL ServerÊý¾Ý¿âÓÐÈýÖÖ»Ö¸´Ä£Ê½£º¼òµ¥»Ö¸´Ä£Ê½¡¢ÍêÕû»Ö¸´Ä£Ê½ºÍ´óÈÝÁ¿ÈÕÖ¾»Ö¸´Ä£Ê½¡£
Ïà¶ÔÓÚ¼òµ¥»Ö¸´Ä£Ê½¶øÑÔ£¬ÍêÕû»Ö¸´Ä£Ê½ºÍ´óÈÝÁ¿ÈÕÖ¾»Ö¸´Ä£Ê½ÌṩÁ˸üÇ¿µÄÊý¾Ý±£»¤¹¦ÄÜ¡£ÕâЩ»Ö¸´Ä£Ê½¶¼ÊÇ»ùÓÚ±¸·ÝÊÂÎñÈÕÖ ......

SQLÎÞÏÞ·ÖÀà´æ´¢¹ý³ÌÕûÀí1

Óŵã:×ֶνÏÉÙ£¬ÓÐÔöɾ¸Ä²é¹¦ÄÜ£¬²»¹ý²éѯ̫Áýͳ¡£
ȱµã:
1.²»ËãÊÇÔÚºÜÕýµÄÎÞÏÞ·ÖÀà,ClassPathÕâ¸ö×ֶζ¨ÒåÏÞÖÆ¡£
2.Ö÷¼üCLASSID²»ÊÇ×ÔÔöµÄ£¬Ê¹ÓÃCODESMITHÅúÁ¿Éú³É¶à²ã¼Ü¹¹´úÂëÖлᵼÖ³ö´í¡£
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[ArticleClass]') and OBJECTPROPERTY(id, N'IsUse ......

CSVÎļþµ¼Èëµ½SQL Server 2005Êý¾Ý¿âÖÐ

Ê×ÏÈÓòéѯÓï¾ä£¬´ÓtblTask±íÖвéѯ³öËùÓеÄÊý¾Ý£¬È»ºó½«Æä±£´æΪcsv¸ñʽ¡£
ÔÚSQLÓï¾ä´°¿Ú£¬ÊäÈëÈçÏÂÄÚÈÝ£º
USE Keii BULK INSERT      dbo.tblTask
                      & ......

¶¯Ì¬sqlÓï¾ä»ù±¾Óï·¨

1 :ÆÕͨSQLÓï¾ä¿ÉÒÔÓÃExecÖ´ÐÐ
      Àý:      Select * from tableName
                Exec('select * from tableName')
        & ......

NHibernateÖ´ÐÐԭʼSQL´úÂëµÄ·½·¨Ð¡½á

ÔÚʹÓÃNHibernate¹ý³ÌÖо­³£»áʹÓõ½¸´ÔÓµÄsql²éѯ£¬µ«ÊÇʹÓÃhqlÓֱȽÏÂé·³µÄÇé¿öÏ£¬ÎÒÃÇÍùÍù¶¼»áÏëµ½²ÉÓÃԭʼµÄsqlÀ´Ö´ÐС£µ«ÊÇÈçºÎÀûÓÃNHibernateÀ´Ö´ÐÐsqlÄØ£¿ÎÊÌâÀ´ÁË£¬ÔÚNHibernateÖÐÒ²ÓÐAdoTemplateµÄ·½·¨¿ÉÒÔÖ´ÐÐsqlµÄ£¬µ«ÊÇÕâÀïÒª½éÉܵÄÊÇÁíÍâÒ»ÖÖ·½·¨£ºCreateSQLQuery¡£ÒÔϲ¿·ÖÀý×ÓÔ´×ÔÓÚÍøÂç¡£
ʵÀýÒ»£¨Ô´×ÔÓÚ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ