ASP. NET to convert the picture to binary into the database

One, the code is as follows1 intCode =int. Parse ( This. TextBox1.Text);//Image Encoding2 stringValue = This. FileUpload1.PostedFile.FileName.ToString ();//Picture Path3 stringType = value. Substring (value. LastIndexOf (".")

Working with databases in ASP

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One of the most important features of ASP is that it makes it very easy for you to connect to a database. is usually connected to an access or a SQL database. Because access is the easiest to start with, you might already have access on your machine,

ASP. NET Database Cache dependency

ASP. NET Database Cache dependencyMore often, our server performance loss is still in the query database, so the database cache is particularly important, the above several ways can be implemented in some data caching functions. But the problem is

I use the ASP. SQL data cache dependency (SqlCacheDependency)

"Noun explanation"Cache dependency, the plain English explanation is that the cache is updated depending on the other object. So sqlcachedependency means that the cache's data update relies on changes in SQL Server database tables (row-level changes)

Beginner's universal connection to access databases and various databases (original) in ASP.

Previously engaged in the development of ASP, to the development of ASP, record the related operation process Memo.Article I original, I am a novice, master please ignore, thank you!Reason: Before using ASP to write a website, will use the Access

How to configure the database connection string connectionstrings section in ASP.

At the Web site root of ASP, there is a file called Web. config, as the name implies, which is a file configured for the entire Web site in XML format.Here is the main discussion of the section in the document. The section is configured for

Building a backend management system for ASP. Mvc4+ef5+easyui+unity2.x Injection (47)-Workflow design-Supplemental

Series CatalogueTo add, someone wants the code for the form, which generates the index code for the table Flow_form table with the code generator toPlus a couple of buttons, you can.Divclass= "Mvctool"> inputID= "Txtquery"type= "text"class=

ASP. NET Server writes JavaScript script to client

Processing scripts on the ASP. ClientScriptManager, which is the Web Form server side, is generally used. ClientScript. This object is a more common method:1, Registerarraydeclaration: On the server side, generate an array definition to the

JavaScript improvement: 005:asp.net using Easyui tabs tags to display problems

The easy UI was used earlier to implement a tabs tag (http://blog.csdn.net/yysyangyangyangshan/article/details/38307477), However, a problem was found when used in ASP.As we all know, the control of the ASP. NET page, when the control event is not

ASP. NET WebAPI get and Post parameters summary

Here I use JQuery to initiate asynchronous requests for data invocation.Continue to use the example from the previous article, add a index.html page, and add a reference to jquery.One, no parameter GET requestA general GET request can be implemented

HttpClient simple way to read ASP. NET WEB API error messages

In C #, if a 500 error (INTERNALSERVERERROR) occurs when you invoke the Web API with HttpClient and read the response content through Content.readasstringasync (), You get a JSON string that contains the error message:{ "Message":"An error has

ASP. NET Web API-using Castle Windsor Dependency Injection

Sample codeCreate a Dependency injection container when the project startsDefine a static container IWindsorContainer 1 private static IWindsorContainer _container;In Application_Start (), create the container 1 _container = new windsorcontainer

Can save province: Return data via HTTP headers in ASP.

For some Web APIs that are very simple to return data, such as the "number of short messages in the unread station of a specified user" that we encountered today, the return data is a number, which is a bit extravagant if you return data via HTTP

I use ASP. Webapi to support the OData protocol for paging Operations (third article)

The third note, this is the last note of your own ASP. NET MVC OData protocol paging solution, Ok,let's Go!First thing!The first thing is to download this component, you can download by the attachment provided below, of course, you can download the

C # Get classes and methods under classes (for ASP. NET MVC)

In the development of MVC project encountered problems, do permissions control, through the MVC filter to achieve, so in the allocation of permissions when you want to get all the Controller and action method, by looking for data, referring to the

Six simple ways to improve ASP. NET Web API performance

The ASP. NET Web API is a great technology. It's so easy to write Web APIs that many developers don't spend time on application architecture design to get good execution performance. In this article, I'll cover 8 techniques for improving the

Create a help page for the ASP (reprint) Web API

Reprint Address: Http://www.asp.net/web-api/overview/creating-web-apis/creating-api-help-pagesWhen you create a Web API, you often create a help page so that other developers know how to invoke your API. You can create all the documents manually,

WinForm Project calls the ASP. NET Data Interface

A recent WPF project needs to be rewritten as an Android project, with the idea of writing a common interface in an ASP to make it easier to invoke data under other platforms. The first thing that comes into contact with these things is confused,

Asp.netweb API Controller creation process (ii)

ASP. NET Web API Controller creation Process ( two )ObjectiveOriginally this essay should be written out last week, because the body can not keep up with the rhythm of the cold fever powerless, this weather cold fever life than death, also really

Password decryption for a jsp site

Password decryption for a jsp site On the login page, you can see the following in the source code:Md5.decrypt (StrPwd)I realized that this means that the encrypted user password stored in the database can be decrypted, and the name "md5" is just a

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