VC ADO ACCESS 获取列名
BOOL GetAllFields(_RecordsetPtr m_pRecordset,CStringArray & fieldsarray)
{
if (m_pRecordset)
{
if (m_pRecordset->State)
{
try
{
HRESULT hr;
Fields * fields = NULL;
hr = m_pRecordset->get_Fields (&fields);
long ColCount;
if(SUCCEEDED(hr))
fields->get_Count(&ColCount);
for(long i=0;i<ColCount;i++)
{
Field * field = NULL;
field = fie
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Failed to access IIS metabase.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.Hosting.HostingEnvironmentException: ......
asp.net的错误--Failed to access IIS metabase 收藏
Server Error in '/sdxx' Application.
--------------------------------------------------------------------------------
Failed to access IIS metabase.
Description: An unhandled exception occurred during the execution of the current web ......
----比较复杂的数据库中一般会有位图数据（比如相片）。虽然这类“OLE对象”的插入、删除以及替换操作在ACCESS里容易实现，在VC中却显得复杂而且颇费周折。以下把作者用VC处理ACCESS数据库中的位图数据的体会简单叙述一下，以请教于大家。
----在CdaoRecordset派生类的对象中，VC自动为ACCESS的“OLE对象&r ......
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
this.comboBox2.Items.Clear();
switch(this.comboBox1.SelectedIndex)
......
1.now() 获取当前时间；
2.关于Access内部的模糊查询：
在C#里写应写成 Select * from Table Where Name Like '%ABC%'
Select * from Table Where Name Like '_AB ......
