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：
最近整理出来的.如果不完全的话希望大家补充.
在access中，转换为大写的sql函数是ucase，在sqlserver中，转换为大写的函数是upper；在access中，转换为小写的函数是lcase，在sqlserver中，转换为小写的函数是lower；在access中，取当前时间的函数是now，另外还有一个取日期函数date，在sqlserver中，取当前的函数是getdate ......
'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保留字&变量名列表，建表时应避免使用这些词汇和符号。
-A
ADD
ALL
Alphanumeric
ALTER
AND
ANY
Application
AS
ASC
Assistant
AUTOINCREMENT
Avg
-B
BETWEEN
BINARY
BIT
BOOLEAN
BY
BYTE
-C
CHAR, CHARACTER
COLUMN
CompactDatabase
CONSTRAINT
Container
Count
COUNTER
CREATE
C ......
问题：目前还没有64位的Jet oledb provider
(不知以后有否)，在64位系统上调用Jet oledb provider时会遇到如下错误：
"The
'Microsoft.jet.OLEDB.4.0' provider is not registered on the local machine.
"
解决：32位的Jet oledb provider是存在的，那么可以利用IIS的32 Mode特性，将web程序运行在32位模式 ......
