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ASP.NET Development Articles


641: A simple encryption / decryption method
Private Function EncryptString (strString) Dim CharHexSet, intStringLen, strTemp, strRAW, i, intKey, intOffSet Randomize Timer intKey = Round ((RND * 1000000) + 1000000)'##### Key Bitsize intOffSet = Round ((RND * 1000000) + 1000000)'###...

642: Used in nested Repeater in Repeater
Site in the general categories of users in the browser controls are usually located on the left side of the majority of ASP.NET pages, which allows users to quickly search by product category. Has met with a client, as displayed in his site are not ...

643: Solidworks secondary development -06 - added to the assembly with
Solidworks secondary development -06 - added to the assembly with Toss a three-day has finally completed the planned function modules. In an assembly is automatically inserted to determine the appropriate parts, and add with. In front of a few art...

644: Share: Project-level access control
Often in the project to the Project-level definition of the different users and permissions, follow the windows of the Role / User / Access Right of control, the realization of I as follows: 1, in the database set up five tables: tSvRole, tSvUser, ...

645: The safe storage of web project database connection string
My approach is this: 1, in the ABC project to build the following directory Settings, there are documents Settings.xml, its content is: <? xml version = "1.0" encoding = "utf-8"?> <Section Name="Settings">...

646: In the ArrayList to bind to the ListItem to DropDownList in
DropDownListDisplay (ArrayList Input, DropDownList Inputddl, string CompareValue) ( for (int i = 0; i <Input.Count; i + +) ( ListItem aItem = Input [i] as ListItem; Inputddl.Items.Add (aItem); ) if (CompareValue! = "") Inputddl.S...

647: Understanding ASP.NET configuration file Web.config
First, understand the Web.config file Web.config file is an XML text file, it used to store ASP.NET Web application's configuration information (such as the settings most commonly used ASP.NET Web application authentication method), it can appe...

648: ASP.NET in the same page so that text box enter a different response to different events
In ASP.NET, if the same page with multiple text boxes in each text box press the "Enter" button will be the default response to a Button's Click event, how it can be random and not caused by accident ENTER or how to respond to the diff...

649: Setting the background of dynamic content tags and attributes prospects
Asp previous differences in asp.net code in order to complete the separation, we generally do not use embedded tabs <%=%> to set up a number of attributes and content. In general there are two kinds of situations: (A) set labels, such as <...

650: How to handle the concurrency problems on ASP.Net Database
<Data unique> ACID one of the most important: Data Isolation Data Isolation Creating fully-isolated transactions in a multithreaded environment is a non-trivial exercise. There are three ways isolation can be violated: Lost update: one thr...

651: Data on how the web can not access the folder and downloaded to the user?
In the application, we may encounter such a situation, we need to generate a temporary data files to users to download, but should judge each download, that is to say, the user can not get the download url constantly downloading files, the following...

652: My first procedure Asp.Net
First of all, the preparation of their own environment, the procedures to be able to run aspx. . Save the following into this hello.aspx <% @ Page Language = "vb" Src = "hellocodebehindvb.vb" Inherits = "HelloWebFormVb&...

653: How to build a DataTable and direct it to add data
For example, in the shopping cart so we need to create a DataTable, to store some things in the cart, and finally wrote them in the database is to achieve the following methods. DataTable dt = new DataTable ( "cart"); DataColumn dc1 = ne...

654: webform pages value of special methods
Online every day, someone asked how the value between the webform page, basically, everyone is familiar with (1) url string value (2) session value (3) read directly from the page server.transfer data not say in front of the two, as we all know how ...

655: How in the pages and pages of user interactive control
Sometimes the page would like to call this page the user control method sometimes want to set up this page the page the user control the value of the control solution First of all, The following is the establishment of a user control uc.ascx Place ...

656: [FAQ] cookie use HttpContext of 1.Page with Request, Response
Written procedures are as follows using System; using System.Web; using System.Web.UI; namespace hnwl.config ( / / / <summary> / / / Cookdef summary. / / / Cookies related to the definition, as well as to cook some tests, such as user ...

657: In ASP.NET in object-oriented programming ideas
First of all, we still talk about object-oriented programming thinking of you. I would like to now the mainstream of thinking of nothing but two kinds of programming: object-oriented structure. Previously, in ASP we have used in the structure of thi...

658: asp.net years, a small custom error display
/ / Print error message. public static string ShowError (Exception e) ( return "<font size=2> Error:" + e.Message + "<BR> details:" + e.StackTrace + "</ font>"; ) public static void CheckNull (obj...

659: ASP.NET code to compile the new features (a)
Abstract: Learn how to use ASP.NET Whidbey code easier to use. Code directory will automatically compile the code to your site, and will pre-compiled deployment easier. Download the source code of this article. (Please note that in the example docu...

660: ASP.NET code to compile the new features (b)
Interest Calculator First of all, we open the Visual Studio. NET Whidbey, to create a new Web site Compilation. After the creation of Web sites, IDE should be similar to Figure 1. Figure 1: Visual Studio. NET Whidbey Web site Then, we will \ Code...


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