The same user in ASP cannot log on twice at the same time.

Login. asp: If request. Form. Count> 0 thenSession ("username") = request ("username ")Application (Session ("username") = session. sessionidResponse. Redirect ("index. asp ")End if%> Other page indexes. asp: If application (Session ("username")

The Asp.net page calls Silverlight

It is not difficult to call Silverlight in Asp.net, just add a script in aspx to call xap. For example: (1) The system. Web. Silverlight. dll file cannot be found in sl3. Download it here and add it to the project reference.   (2) You must first

ASP. net2.0 learning 4-objectdatasource (Supplement to Data Binding 1)

Refer to ASP. net2.0 learning 2 --ProgramDefinition of business logic in architecture Public class employeerule { Public bool insert (string txteid, string txtname, string txtage) { // Call the corresponding method of the data access layer

Compile ASP components in Java

Compile ASP Component with JAVA Source: http://www.edulife.com.cn/Infos/189912/30189912006858.html ASP provides unlimited scalability through ActiveX Server Components (ActiveX Server component. In ASP development, components are

Asp.net skills (1) (2)

Server Control uses client scripts Server controls are easy to use. We all know that what we need to do is to implement client scripts on server controls. In general, client scripts can be directly integrated with server controls on the server. You

Asp.net dropdownlist

Author's blog:Http://blog.csdn.net/yangyifan0/ Let's talk about N Asp.net dropdownlist brushless New Linkage menus, sacrifice N-1 aspx to achieve automatic update mechanism, to avoid refreshing flashing !! The following code can be used, or you can

Use of ASP. net2.0 login controls (three common methods)

The following uses createuserwizard as an example to describe the general usage of the User Registration Wizard. 1) use the default wizard Control Function The default Registration Wizard is easy to use, as long as one sentence of code is as

ASP. NET generates static pages and pages

1. The static template page template.html mainly defines some special characters for replacement. title Title Browse time Content Pager View more comments 2. newsadd. aspx is a form used to fill in the news title and content. Add news

Implementation of the page scaling function of the Asp.net frameset framework

1. Create left. aspx, right. aspx, and top. aspx pages. 2. Create a New index.html page. Use the frame page to include the above three aspx pages. 3. The code for each page is as follows: Top. ASPX page header page hide the shortcut

Asp.net FAQ collection (ongoing collection)

1. How to Solve the Problem of anonymous access permission in the pop-up login box of IIS website Http://www.cnblogs.com/waitingfor/articles/2220820.html 2. jquery upload plug-in

Asp.net paging SQL statements and stored procedures

SQL statement: Use not in select top pagesize * from table where TID not in (select top (pageIndex-1) * pagesize TID from Table Name); ------------ or select * from (select *, row_number () over (order by ID) rownumber from Table Name) t where T.

IIS installation for win7 64-bit flagship edition and ASP + access website Configuration

The new win7 64-bit flagship edition system has been using XP. The new system has a new look, and the interface is also user-friendly, but IIS does not seem to have been used before. The following is my experience in configuring IIS yesterday. 1.

Sqldependency cache processing in Asp.net

Caching is a function that must be involved in every system. Generally, caching has a problem-when to clear it? For example, you can set an expiration time for the cache in ASP. NET, but how long is it appropriate? If it is too long, the meaning of

Screen rolling Asp.net uses custom controls to implement screen Rolling

Use custom controls for screen scrolling First, add a new project (just like creating a webpage), add a Web user control, and name it guanping. ascx. The main code is as follows: Onmouseout = "This. Start ()" onmouseover = "this. Stop ()" style =

Asp.net reads binary data images from the database and displays them in the image.

1. First create a new page default2.aspx Protected void button3_click (Object sender, eventargs E){Image1.imageurl = "default2.aspx ";} 2. In the pagult2.aspx page_load event, add the following code: Protected void page_load (Object sender,

Updatepanel-based Brushless new upload (user control) in ASP. NET (C #)

Note: This method does not allow you to upload objects without refreshing. It only keeps the position of the scroll bar unchanged after the file is uploaded, which is equivalent to refreshing the file. 1. Create a user control up. ascx 2. Add

Asp.net data is directly output as download

  Sometimes we want the dynamically generated data to be directly output as a file download, or open it directly with a software. The client displays the File Download Dialog Box. How can we do this, in fact, we can modify the response parameter and

Asp.net dynamically generates navigation items

Add navigation item Generation Process in site. master. VB   Partial class site inherits system. web. UI. masterpage sub creatmenu () dim TMP as string for I = 0 to 5 TMP = CSTR (I) navigationmenu. items. add (New menuitem (TMP, TMP, "",

The reason why the Asp.net Password box cannot get the value

I am installing a database in a multi-page program. The first page is the user protocol, and the second page is the user database settings .. Hide pages one by one During debugging, all textbox values of textmode = "password" are "", and other

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