C#ʵÏÖAccessµ¼Èëµ¼³öExcel
Ò»¡¢Access´ÓExcelÖе¼ÈëÊý¾Ý
1.Óõ½µÄExcel±íµÄ¸ñʽ¼°ÄÚÈÝ
ʵÏÖ
OleDbConnection con = new OleDbConnection();
try
{
OpenFileDialog openFile = new OpenFileDialog();//´ò¿ªÎļþ¶Ô»°¿ò¡£
openFile.Filter = ("Excel Îļþ(*.xls)|*.xls");//ºó׺Ãû¡£
if (openFile.ShowDialog() == DialogResult.OK)
{
string filename = openFile.FileName;
int index = filename.LastIndexOf("\\");//½ØÈ¡ÎļþµÄÃû×Ö
filename = filename.Substring(index + 1);
conExcel.ConnectionString = "Provider=Microsoft.Jet.Oledb.4.0;Data Source=" +
Application.StartupPath + "\\Appdata.mdb";
//½«excelµ¼Èëaccess
//distinct :ɾ³ýexcelÖØ¸´µÄÐÐ.
//[excelÃû].[sheetÃû] ÒÑÓеÄexcelµÄ±íÒª¼Ó$
//where not in : ²åÈë²»ÖØ¸´µÄ¼Ç¼¡£
string sql = "insert into Users2(Óû§±àºÅ,Óû§ÐÕÃû) select distinct * from [Excel 8.0;database=" +
filename + "].[name$] where Óû§±àºÅ not in (select Óû§±àºÅ from Users2) ";
OleDbCommand com = new OleDbCommand(sql, con);
con.Open();
com.ExecuteNonQuery();
MessageBox.Show("µ¼ÈëÊý¾Ý³É¹¦", "µ¼ÈëÊý¾Ý", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
con.Close();
}
¶þ¡¢Accessµ¼³öExcel
OleDbConnection con = new OleDbConnection();
try
{
SaveFileDialog saveFile = new SaveFileDialog();
saveFile.Filter = ("Excel Îļþ(*.xls)|*.xls");//Ö¸¶¨Îļþºó׺ÃûΪExcel Î
Ïà¹ØÎĵµ£º
Linuxϵͳµ÷ÓÃ--accessº¯ÊýÏê½â
2007-07-30 23:10
¡¾accessϵͳµ÷Óá¿
¹¦ÄÜÃèÊö£º
¼ì²éµ÷Óýø³ÌÊÇ·ñ¿ÉÒÔ¶ÔÖ¸¶¨µÄÎļþÖ´ÐÐijÖÖ²Ù×÷¡£
Ó÷¨£º
#include <unistd.h>
#include <fcntl.h>
int access(const char *pathname, int mode);
²ÎÊý£º
pathn ......
Ò»¡¢AccessÓëSqlServerÊý¾ÝÀàÐÍ±È½Ï Microsoft Access Êý¾ÝÀàÐÍ SQL Server Êý¾ÝÀàÐÍ ÊÇ/·ñ£¬£¨0ºÍ-1£©
1 룬²»ÔÊÐíÓÐ Null Öµ¡£ bit(1¡¢0 »ò NULL) Êý×Ö£¨×Ö½Ú£©£ ......
VC++ÖÐʹÓÃADO·½Ê½²Ù×÷ACCESSÊý¾Ý¿â
×ªÔØ£ºhttp://www.programbbs.com/doc/3078.htm
ADO(ActiveX Data Object)ÊÇMicrosoftÊý¾Ý¿âÓ¦ÓóÌÐò¿ª·¢µÄнӿڣ¬Êǽ¨Á¢ÔÚOLE DBÖ®Éϵĸ߲ãÊý¾Ý¿â·ÃÎʼ¼Êõ£¬¼´Ê¹Äã¶ÔOLE DB£¬COM²»Á˽âÒ²ÄÜÇáËɶԸ¶ADO,ÒòΪËü·Ç³£¼òµ¥Ò×Óã¬ÉõÖÁ±ÈÄãÒÔÍùËù½Ó´¥µÄODBC API¡¢DAO¡¢RDO¶¼ÒªÈÝÒ×ʹÓ㬲¢² ......
Oracle,MySQL,MSSQL ServerºÍAccessÊý¾Ý¿âµÄͳ¼Æº¯Êý
ÎÒÃÇÔÚ±à³ÌÖг£ÓõÄͳ¼Æº¯ÊýÓмÆÊý,ÇóºÍ,Çó×î´óÖµ,Çó×îСֵ,Ç󯽾ù,·½²îºÍ±ê×¼²î.
·½²î(Variance)
·½²îÊDZê׼ƫ²îµÄƽ·½¡£×éÖеÄÖµ£¬ÓëËüÃÇÆ½¾ùÖµÖ®¼äÆ«Àë³Ì¶ÈµÄ¶ÈÁ¿¡£
±ê׼ƫ²î(Standard Deviation)
Ò»¸ö²ÎÊý£¬Ö¸³öÒ»ÖÖ·½Ê½£¬Ò»¸ö¸ÅÂʺ¯ÊýÒÔÕâÖÖ·½Ê½·Ö²¼ÔÚÆ½¾ùÖµ¸ ......