.Net Core

1. First, create a table (UserInfo ).Main field Id, uname, upass.2. Create a stored procedure with a returned valueCopy codeThe Code is as follows:Create proc proc_addUserInfo@ Uname varchar (50 ),@ Upass varchar (50 ),@ Returnc int

The class library is defined:Copy codeThe Code is as follows:[UIPermissionAttribute (SecurityAction. Demand, Clipboard = UIPermissionClipboard. OwnClipboard)]Public DragDropEffects DoDragDrop (Object data,DragDropEffects allowedEffects) The data

Let's take a look at the code that simulates the click event:Copy codeThe Code is as follows: OK In fact, I trigger a click event on a page mainly to open a new window when submitting a form. Others tend to ignore some basic knowledge, In fact,

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

LInq paginationCopy codeThe Code is as follows:TestDataContext dc = new testDataContext ();Public string GetPageNum (GridView GridViewName, int pagesize, IQueryable SQL){Int page;If (HttpContext. Current. Request. QueryString ["page"]! = Null)Page =

The following is a simple example:1) code that causes exceptionsCopy codeThe Code is as follows:Protected void button#click (object sender, EventArgs e){Int a = 5;Int B = 2;Int c;C = a/(B-2 );} 2) code in Global. csCopy codeThe Code is as

The following requirements must be met when using AjaxMethod:1. If no ajax. dll file exists, download one first.2. Add ajax. dll to project reference: In Solution Explorer of VS, right-click the project name, click "add project reference", and Click

Add the Application_BeginRequest event to Global. asax:Copy codeThe Code is as follows:Protected void Application_BeginRequest (object sender, EventArgs e){String pathAndQuery = Request. Url. PathAndQuery. ToLower ();If (pathAndQuery. IndexOf (".

1. Bind the carriage return events on the page to the buttons.Copy codeThe Code is as follows:Function EnterTextBox (e){Var msie = (document. all )? True: false;Var keycode;If (! Msie) keycode = window. event? E. keyCode: e. which;Else keycode = e.

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

Copy codeThe Code is as follows: In asp. in net2.0, the web. you can use RSAProtectedConfigurationProvider and DPAPIProtectedConfigurationProvider to encrypt some data in config. This document describes how to use RSAProtectedConfigurationProvidert

Share the paging code of the two methods1. Use DataReader for pagingCopy codeThe Code is as follows:/// /// PageList for DataReader/// /// /// /// /// /// /// /// /// Public DataTable PageListReader (string connectionString, string SQL, int

It takes several months for Johnny to change to Windows 7, but the system was reinstalled a few days ago and Windows 7 is still used, the error is as follows:The request is unavailable in this contextNote: An unhandled exception occurs during the

ASP. NET 2.0 and ASP. NET 4.0, the website program may encounter the following error: "System. web. httpException: path' // eurl. axd/'was not found."The error occurs when ASP. NET detects that the Web site is configured to use ASP. NET 4.0, local

Aspx page:Copy codeThe Code is as follows:Width = "500px" OnModeChanging = "DetailsView1_ModeChanging" OnItemDeleting = "DetailsView1_ItemDeleting"OnItemUpdating = "DetailsView1_ItemUpdating" OnItemInserting = "DetailsView1_ItemInserting"> 'runat = "

The function for aspx vb.net to obtain the real IP address is as follows:Copy codeThe Code is as follows: Complete Test page:Copy codeThe Code is as follows: Untitled Page Dim client_ip As String = get_cli_ip ()System. Web. HttpContext. Current.

Copy codeThe Code is as follows:Class ExchangeRate{Private const string _ BASEURL = "webpage address ";Public const string CURRENCYCODE = "currency type separated by '|'"; // currency typePublic Hashtable GetValues (){Hashtable htReturn = new

1. Check whether the code supporting asp.net ajax is added to web. config.2. Check whether EnableMethods = true is set in ScriptManager.3. Check whether the namespace System. Web. Services referenced in the backend cs is added or the [System. Web.

I really don't know about TX. the user name encoding actually returns different values. For example, "Lei 52D", there are two types of returned values? Lei? 52D and % 01% u96F7 % u78CA % 0152D. Quite depressing. Fortunately, there is still a Chinese

Copy codeThe Code is as follows:# Region IHttpHandler MemberBool IHttpHandler. IsReusable{Get {return true ;}}Void IHttpHandler. ProcessRequest (HttpContext context){String FileName = context. Server. MapPath (context. Request. FilePath );If