We know that the appropriate use of Html controls in Asp.net has many conveniences. Html controls can be controlled in the cs file after being submitted to the server on the client, this cannot be done with a separate Web server control, which
Many programming friends on session will say that I know, but do you know about session 7 common sense? If you don't understand it, please take a closer look at this article. I think it will be helpful to you.
One of ASP. NET sessions
For value-type
This article describes in detail the whole process of code implementation for mobile phone number attribution query in asp.net and the methods described later. If you need it, you can refer to it.
Step 1: Add a reference in "Reference": System.
This article uses a detailed implementation to introduce the usage of the asp.net pager page control. If you need it, you can refer to how this article operates and optimize it.
This code is the core function of the pager page control.
The
I recently saw an article about TransactionScope in the garden, and found that Transaction and concurrency control are hard-to-understand problems for those who are new to Entity Framework and Transaction Scope, organized this article to discuss
I. PrefaceIn the permission system design, authorization code is used to control data access permissions. The authorization code is simply a tree-structured data and has no other business significance. The page features are very simple.
Ii. TextWe
SDI is short for single-document interface applications. In this article, you need to display an image in the view area, display text on the image surface, and move the text following the mouse. Think about it and you can judge that this problem is
No.
Field name
Field Type
Remarks
1
Id
Integer
Auto-increment sequence number (PK, Not Null)
2
UserHostAddress
Varchar (20)
IP host address of the remote client
3
UserHostName
Varchar (20)
Base64 encoding
Base64 encoded and passed in Url
/// /// convert a Base64 encoded string for a URL to a normal string /// public static string FromBase64StringForUrl (string base64String) {string temp = base64String.
We know that Forms authentication is mainly based on cookies. To put it bluntly, we store user information in cookies and send it to the client. Then, We parse the cookie information sent by the client for resolution, then perform the verification.
I. disadvantages of weak DataSet:1. It can only be referenced by column names, dataset. tables [0]. rows [0] ["Age"]. If the column name is incorrectly written and compiled, no error is found. Therefore, you must remember the column name during
Copy codeThe Code is as follows:Using System;Using System. Collections. Generic;Using System. Linq;Using System. Web;
/// /// Anti-SQL Injection checker/// Public class SqlChecker{// Current request objectPrivate HttpRequest request;// Current
ASP. NET Method 1: Use OleDB to read Excel files:
Use an Excel file as a data source to read data. The example is as follows:
Copy codeThe Code is as follows:Public DataSet ExcelToDS (string Path){String strConn = "Provider = Microsoft. Jet. OLEDB.4.
I. QueryString
QueryString is a simple method for transferring values. It can display the transmitted values in the address bar of a browser. This method can be used to transmit one or more numeric values with low security requirements or simple
If we are using Session, we will build a high-performance and scalable ASP. NET websites must solve the distributed Session architecture, because the SESSION processing capability of a single server will quickly experience performance bottlenecks,
Set the full address of the current page to: http://www.jb51.net/aaa/bbb.aspx? Id = 5 & name = kelli"Http: //" is the protocol name."Www.jb51.net" is a domain name"Aaa" is the site name"Bbb. aspx" is the page name (file name)"Id = 5 & name = kelli"
In the previous article, we analyzed the requirements as follows:
1. Dynamic News list (this is simple)
2. News lists can be read by PAGE (this is not difficult)
3. You can read the news list without refreshing the new pages (this is a little
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