Store an Image(OLE Object) into Access Data Base
Store an Image(OLE Object) into Access Data Base
C# Winform application Store an Image into Access Data Base
用以下方法
/// 2010-02-26 Forever
private void SaveImageInDataBase()
{
OleDbConnection conn = null;
try
{
string strDBFile = Environment.CurrentDirectory + @"\Test.mdb";
string connstr = "Jet OLEDB:Database Password=;Data Source='" + strDBFile + "';Password=;Provider='Microsoft.Jet.OLEDB.4.0'";
conn = new OleDbConnection(connstr);
OleDbCommand cmd;
String strimg = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\test2.bmp";
//Read Image Bytes into a byte array
//Initialize byte array with a null value initially.
byte[] imageData = null;
//Use FileInfo object to get file size.
FileInfo fInfo = new FileInfo(strimg);
&nb
相关文档：
import java.sql.*;
public class ConnectAccess {
/**
* 初学者请注意：
* 1:先建立一个access文件a1.mdb,并放在D:\下;
* 2:在数据库文件a1.mdb中建立一个表Table1；
* 3：为Table1添加一列，并插入至少一条记录；
* 4：本文是一个完整的类，直接拿去运行就可以。
*/
public static void main(Stri ......
access日期和时间函数
access日期和时间函数
------------------------------------------------
设置当前日期或时间。 Date ,Now, Time
计算日期: DateAdd, DateDiff, DatePart
返回日期: DateSerial, DateValue
返回时间: TimeSerial, TimeValue
设置日期或时间: Date, Time
计时: Timer
在帮助 ......
Access数据库操作类AccessHelper
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb ......
'excel导入access ,引用ADO
Private Sub Command1_Click()
Dim conn As ADODB.Connection
Set conn = New ADODB.Connection
On Error Resume Next
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & "Data Source ......
access中case替代方法
2009-12-26 14:01
SELECT
UserPassportID as PassportID,
UserID,
GrantorID,
Case ObjectTypeID
When 1 then ObjectID
End
as TerminalID,
Type, Flag, GrantDate, Validate, Invalidate
from UserPassport
在SQL里能执行,但在Access里总提示语法错误(操作符丢失).在查询表达式'Case O ......
