1. response. the redirect method does not jump quickly because it takes two rounds (two PostBack), but it can jump to any page, there is no website page restriction (that is, you can jump from Yahoo to Sina), and you cannot skip logon
Careful developers sometimes think that we include a page similarCodeWhen you do not perform read operations, what is the status of the database?So, is there a way to enable the database connection to be opened only when the database needs to be
Oledbconnection con = new oledbconnection ("provider = Microsoft. Jet. oledb.4.0; Data Source = data. mdb ");
Con. open ();
Oledbcommand Dc = new oledbcommand ("Select name from us where id = 2", con );
Textbox1.text = Dc. executescalar (). tostring
Usage:
Insert where you want to display the verification code Image
Code
At the same time, the session ("PSN") is automatically generated, and the form is submitted to verify the session.
According to the comments, there are still some questions
I. ASP object creation skills
When we use server components to create objects,
There are two methods. The common method is to use the Createobject () method of the server object, as shown in the following code:
Set nextlink = server. Createobject
Method 1:
After reading the Microsoft ngws document, I found that the FAQ section of the document mentioned that I want to add a config. Web file to the web directory. I tried it and the Chinese display was OK.
The method is as follows:Create a
Rem converts a string to an integer
Function tointeger (STR, num)
STR = trim (STR)
If STR = "" or not isnumeric (STR) then
Tointeger = num
Else
Tointeger = clng (STR)
End if
End Function
Rem converts a string to double-precision
CopyCode The Code is as follows:
Http://www.w3.org/TR/html4/loose.dtd>
untitled document
On Error resume next
'
Server. scripttimeout = 999999
'================================================ ========================
'Character encoding
'Create connection/recordset
'Populate data into recordset object
%>
.
Loop %>
If there are many query results, the server will spend a lot of time explaining your asp script, because there are many response. write statement to process.
The solution is to split the data in a field that needs to send big data into smaller than the quota before submitting the form, and put the data in several hidden domains respectively, at the same time, empty the original domain and then formally
The mswinsock control can be used for online circulation. This is a third-party component. The chances are quite small. If you want to kill people, you must adopt a set of methods to kill them.
The Serv-U server uses the FTP protocol for management,
Select Operation:
Backup
restore
Database Name:
">
File Path:
(Path of the backup or recovery file)
'SQL Server database backup and recovery!
If request ("action") = "backupdatabase" then
Dim sqlserver, sqlname, sqlpassword,
Open vs2005 or vs2008,
Create a website and copy the acccess database to app_data,
Drag "accessdatasource" to the window,
Configure the data source...
Select Database
Next step
The SQL statement is empty. Click "Query Builder ..."
Pop-up:
-
Function autokey (strkey)
Const lngsubkey = 2Lnglenkey = Len (strkey)
Select case lnglenkeyCase 0' if it is an empty string, go to the error pageResponse. Redirect "error.htm"Case 1' if the length is 1, no value is setStrnew1 = ""Strnew2 =
Copy codeThe Code is as follows: '*************************************** *****
'The following are database-related functions
'*************************************** *****
'================================================ =====
'Initialize the
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