ASP

Where the size of the uploaded file is controlled in Web. config: CopyCode The Code is as follows: Maxrequestlength is the maximum size of the parameter request to control the upload size (in kilobytes ). The default size is 4096 KB (4 MB ).

The following code can achieve this switching effect. First, let's look at the interface:Interface code:Copy codeThe Code is as follows: Script code:Copy codeThe Code is as follows: Recipe2

The first click Page has three labels, the second click has six, and the third click has nine labels, that is, each click needs to add three labels in the last status. My method is to save the last state through Session. One solution is as

To solve this problem, we need to first understand the lifecycle of ASP. NET applications, first look at an image prepared by the author below: We can clearly see that when a common IIS accesses an application, each time a single page URL is

Resource registration before class namespace Copy codeThe Code is as follows: [assembly: System. Web. UI. WebResource ("XXX. js. FilePlugin. js", "text/javascript")] OnPreRender event // Resource Name String _ strResourceKey = ""; // Resource

First, create a class: Copy codeThe Code is as follows: using System; Using System. Collections. Generic; Using System. Linq; Using System. Web; Using System. Drawing; /// /// Summary of Class1 /// Public class Class1: IHttpHandler // call the

Copy codeThe Code is as follows: using System; Using System. Collections. Generic; Using System. Linq; Using System. Web; Using System. Drawing; Using System. IO; Namespace web Layer 3 { /// /// Display the thumbnail of the requested image, in the

In the Asp.net release, most security problems are caused by the following three aspects: 1. Upload 2. Cross-Site 3. Injection The upload security issue is not covered in this article. Here we only discuss the issue of cross-site and injection, and

Copy codeThe Code is as follows: 1. RowCommad // Obtain the index Int index = (GridViewRow) (Button) (e. CommandSource). Parent. Parent). RowIndex; 2. RowEditing// Obtain the indexInt index = e. NewEditIndex;// Obtain the current GridViewRow

1. Basic Steps for ASP. NET database operations: Common Methods for ASP. NET data operations:A. ExecuteReader ()The returned result is a SqlDataReader object or OleDbDataReader object. Each return or operation guides a record to be stored in the

Sample Code download: http://zsharedcode.googlecode.com/files/JQueryElementDemo.rar The content in this article is as follows: * Preparation* General handler/ashx* Prepare WebService/asmx If you want to return JSON through ashx or asmx, You need to

Copy codeThe Code is as follows: ''' ''' Converts data to a Double number. ''' ''' ''' ''' Public Shared Function todbl (ByVal Obj As Object) As Double If Obj Is DBNull. Value Then Return 0 ElseIf IsNumeric (Obj) = False Then Return

We can see that Discuz is merged by two drop-down lists. I found some information on the Internet and wrote this small source code. I will share it with you here! Run the command, as shown in the following figure (the deep black area is not selected,

Copy codeThe Code is as follows: 'function: Null Value Test Function inull (Val) Dim tmp Tmp = False If IsNull (Val) Then Tmp = True ElseIf IsEmpty (Val) Then Tmp = True ElseIf Trim (Val) = "" Then Tmp = True End If Inull = tmp End

Common Regular Expression Regular Expression -- verify mobile phone number: 13 [0-9] {9}If the mobile phone number is 86 or + 86 before it is implemented: ^ (\ + 86) | (86 ))? (13) \ d {9} $Verify the phone number and phone number at the same time:

The following describes the main implementation ideas: 1. Access Images (1) convert the image file to binary and directly store it in SQL server Copy codeThe Code is as follows: // UploadHelper. cs /// /// Convert the image into a long binary /// /

1. Global. asax Files are the centers of ASP. NET applications. It provides numerous events to process different application-level tasks, such as user authentication, application startup, and user session processing. You should be familiar with this

Share the paging code of the two methods 1. Use DataReader for paging Copy codeThe Code is as follows: // /// PageList for DataReader /// /// /// /// /// /// /// /// /// Public DataTable PageListReader (string connectionString,

Copy codeThe Code is as follows: using System; Using System. Data; Using System. Configuration; Using System. Collections; Using System. Web; Using System. Web. Security; Using System. Web. UI; Using System. Web. UI. WebControls; Using System. Web.

In model: Copy codeThe Code is as follows: public function item ($ items, $ name ){ $ ReturnValue = ''; Foreach ($ items as $ n => $ item ){ If (isset ($ this-> $ name )){ If ($ n ==$ this-> $ name ){ $ ReturnValue = $ item; } } } Return $