"User code has not processed SqlException, Object Name & #39;

When the SubSonic3.0 template is used for generation, like Version 2.2, s (plural) is automatically added to the key to be used by similar databases. This is also a small Bug in version 3.0, during the query, because the plug-in does not completely

Value Transfer between pages

If page A needs to pop up page B, when page B is closed, page A needs the value of page B; The thought can be thought of: 1. Use the Window. Open () method on page;      2. obtain the relevant Value on the pop-up page B

Yang Hui triangle (print an equal waist and right triangle)

{ If (value { Console. WriteLine ("enter a number greater than 3 !!!! "); } Else { // Right angle Yang Hui triangle // Int [,] arr = new int [value, value]; // For (int I = 0; I //{ // For (int j = 0; j //{ // If (I = j | j = 0) //{ // Arr [I, j] = 1

Simple data binding

After reading a lot of blog posts on the internet, I just saw that I didn't do the exercises and the results were not good. I still spent less time practicing simple Eval Data Binding to enhance my memory. Insus. NET is demonstrated in two cases

Upload files without refreshing

I have used File Upload for my projects over the past few days. To sum up, let's get a better impression. Hey .......... 1. To add a function, you need to upload an image and upload the code.   (Ajax. beginForm (, AjaxOptions () {HttpMethod =,

DataTable and List & lt; T & gt; Conversion Using Reflection

Today, I am not very busy at work. I want to summarize reflection, extension methods, and lambda expression usage. I wrote a small DEMO record myself, I hope that you will not find any mistakes right away. In this article, I will only describe my

ASP. NET obtains the URL of the source website, obtains the URL of the previous webpage, and obtains the URL of the previous webpage.

  ASP. NET obtains the URL of the source website, obtains the URL of the previous webpage, and obtains the URL of the previous webpage. Uri Url = HttpContext. Current. Request. UrlReferrer; HttpContext. Current. Request. Url. PathAndQuery get the

Building high-performance ASP. NET Applications (V)-how to find performance bottlenecks

  ASP. NET Page parsing process     20130311161225. png(60.97 K) 16:59:18     Problem Analysis 20130311164741. png(9.89 K) 16:48:58           20130311164102. png(39.95 K) 16:48:58           20130311164111. png(48.61 K) 1

Common ashx calls

Directly Add code There is still a certain degree of versatility using System; using System. web; using System. collections. generic; // // test access path: http: // localhost: 2484/TestAjaxFrameWork/MyService. ashx? C = class1 & m = hello & parm1

When the single option is selected, it is immediately updated to the database

Anyone who has read these two blog posts will know that after all the options are selected, the exam will be handed in again and the exam will be closed.Http://www.cnblogs.com/insus/p/3193619.htmlHttp://www.cnblogs.com/insus/p/3197194.htmlNow Insus.

Separator of the Repeater control

In the Repeater control, it is easy to use separators between rows. Because this control has built-inSeparatorTemplateTemplate. For example:   When running, you can see the effect:To be honest, Insus. NET makes a horizontal line, and does not like

Excel for NPOI operations in. net

1. Read Using (FileStream stream = new FileStream (@ "c: \ Customer Info. xls", FileMode. Open, FileAccess. Read )) { HSSFWorkbook workbook = new HSSFWorkbook (stream ); MessageBox. Show (workbook. GetSheetName (0 )); }• Read string data MessageBox.

HtmlAnchor is highlighted after being clicked

HtmlAnchor is a link that remains highlighted after being clicked. The application is on the website background management interface. After you click the menu on the left, the menu remains highlighted.To implement this function, it takes a lot of

General Memcached class (based on Memcached Client Library)

Share your own general Memcached classes. Thank you for your help ~ The. NET memcached client library client + Memcached Providers   Create Memcache service MemcachedClient CreateServer (ArrayList serverlist, SockIOPool pool = MemcachedClient mc ==;

How to solve the garbled problem of mailto calling the mail client

Because common mail clients use the GB2312 encoding format, You Need To UrlEncode the parameters (such as the subject body) in the mailto link, The specific C # code is as follows: HttpUtility. UrlEncode ("Email Subject", Encoding. GetEncoding ("gb2

Building a high-performance ASP. NET Site Chapter 6-performance bottleneck diagnosis and preliminary optimization (Part 1)-identifying performance bottlenecks

There are many optimizations on the server side, and there are also many optimization topics. In this article, we mainly focus on: if the server can generate pages faster, at the same time, we also pay attention to the faster arrival of the

Click the edit link in the Gridview control and send this line of data to the editing interface for modification.

The front-end design is as follows: The "edit" column is what we are talking about today. Click the edit link to load the data in the row of the GridView control to the Edit page. Then, you can modify the data. Edit a column. The foreground code

E. Item. DataItem format after conversion in the ItemDataBound event of Repeater

Today, I 'd like to review the data of the current row in the ItemDataBound event without the need to bind a Repeater Layer 3. item. dataItem can also be used to directly return an object with three layers of time. For example, the time code for

Read XML (multi-language)

0)  

An asp.net Website access IP address filtering method based on custom code!

The core code of the WebsiteFilter component is as follows: IHttpModule member + = context_BeginRequest (HttpContext. current. request. isLocal) ip = QQWryLocator (HttpContext. current. server. mapPath (= qqWry. query (ip); = (. isNullOrEmpty (pu.

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