ASP. netajaxdraganddrop

The drag-and-drop function of ASP. Net Ajax is fully embodied in the recordlist control of ASP. NET Ajax control Tookit. So far, no official documentation has specifically introduced the implementation of this function. Recordlist is a complex

Difficulties in datagrid paging processing in ASP. NET

In ASP. NET, The DataGrid is paged first. There are two main methods: 1) reextract data from the database on each page and bind the data Advantage: less data is returned each time. Disadvantage: the number of accesses to the database is too large,

ASP. net2.0 displays the files stored in database fields

In Web applications, files stored in fields are sometimes required to be displayed. These files are stored in the database as blob. The display is pushed to the client browser. The following is the sample code. The table name is attachments, And the

ASP. netajax1.0upgradeproblems/upgrade Problems

ASP. NET Ajax 1.0 was officially released yesterday. Some problems and precautions encountered during the upgrade: Note the changes in the configuration file. In particular, delete the Configuration section in the previous version. Otherwise, an

Tip/TRICK: Asp. net2.0dealwithdbnullvaluewhenbind

In this case (for example, yes, no, male, and female), the most logical input control on the UI should be a single-choice button group (radio ), of course, you can also use the drop-down list box (select), but I think it is appropriate to select one

ASP. net2.0: formsauthenticationacrossdomains

Keywords: Single Sign-On, billing SS applications, billing SS domains. Objective: To implement unified permission authentication for www.domain.com, sub1.domain.com, sub2.domain.com..., that is, single sign-on. Note that each address corresponds to

Run tasks in an ASP. NET application domain

  Keywords: task implement, ASP. NET 2.0 Provider Model There are many time-consuming operations in Web applications, such as sending emails, generating reports, and processing uploaded images. These operations are not suitable for storing them on

Use autofac to implement dependency injection on ASP. NET Web APIs

[Original] dependency injection in ASP. NET web API using autofac Summary Use autofac in ASP. NET Web APIs Install autofac. webapi through nuget. (Of course, you must first install autofac. dll ). PM> install-package autofac. webapi REFERENCE The

About ASP. NET Import and Export (2)

Com. Urp. Command. fileframework (2) The uploadfileframe function was implemented yesterday. Basically, the upload function is complete. The download process continues today. Search on Google. There are not a few articles on ASP.net download, so

Asp.net 2.0 (3) master page usage

Asp.net 2.0 (3) master page usage In Asp.net 2.0, the master page is introduced. The master page can also define the content in a template at a time, without having to burden the same code. In the past, developers had to use their own methods to

Asp.net optimization series (1)

First, go to the topic. Layered! The benefits of layering do not need to be mentioned. Generally, we divide the program into the presentation layer (website, winform, etc.), business logic layer, and data access layer as needed. To be flexible, we

Several questions about session in ASP. NET

1) for value-type variables, the session stores the copy session of the Value Type ["_ test0"] = 1; Int I = (INT) session ["_ test0"] + 1; Int J = (INT) session ["_ test0"]; Result I = 2, j = 12) For new variables of the reference class, the

ASP. net mvc sends a file to the browser to provide the file download function

When I was a junior, I found that my classmates were even more degraded, especially some people. On the surface, I looked very serious. In fact, I had to complain about the failure of school education after three days of fishing and two days of

Performance Analysis of Asp.net

This course was intended to be shared with our group members. We have learned this course online today because of the lack of time.1.   Viewstate Viewstate is a feature of Asp.net. It is used to save a state value used to generate a page in a

Asp.net optimization series (2)

In the previous article, some people said that I did not say anything. Haha, if you have a high opinion, you are welcome to follow the post and do not say anything that is meaningless, you must know that not all people are as strong as you are! At

About viewstate, session... In Asp.net .... Summary

1. Mutual conversion between sessions and Dataset (not recommended) Operation Method:Session ["Sss"] = Ds; // Save the DataSet object to the session Dataset DS = (Dataset) session ["Sss"]; // After forced type conversion, the saved dataset is

Domain account creation failure through Asp.net Program

I have successfully used the windows program to successfully create a batch of domain accounts with mailboxes. However, when I hand over this code to a colleague (she is responsible for developing Web applications) after migration to Asp.net, you

Asp.net maintains the idea of implementing classes for dynamically loaded controls

In the Asp.net program design, I personally think that it is very troublesome to dynamically load controls and maintain their statuses. Not only do I need to create this control at a specific page processing stage, you also need to re-create the

ASP. NET control development learning notes-6th back viewstate

6th back to viewstate In the 4th session, we talked about adding properties to the control. Now we can access these properties using code on the client to see how they work. Clear all files in the virtual directory, create a new app_code folder,

Tips for using several standard controls in ASP. net2.0

Leave a record for yourself1. Add a confirmation page to the delete buttonAdd a confirmation window for the common button and linkbutton. You only need to write "Return confirm" in their onclickclient attribute ('Are you sure you want to delete this

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