.Net Core

About booksNew people often say how many books I read and read the books written by someone, as if the books were done after reading them. In fact, many new people talk about things during the interview, and they know nothing about what they say. In

Copy codeThe Code is as follows:Using System;Using System. Web;Namespace Moosoft. OA. Public{/// /// Cookie help class/// Public class CookiesHelper{# Region obtain Cookie/// /// Obtain the Cookie value/// /// /// Public static string

I 'd like to directly paste an example to illustrate it:Copy codeThe Code is as follows:// Form1.csUsing System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Text;Using System.

Code similar to the following:Copy codeThe Code is as follows:Uri uri = new Uri (targetUrl); // the absolute path of the file corresponding to targetUrlSystem. Net. HttpWebRequest request = (HttpWebRequest) WebRequest. Create (uri );Request. Method =

Copy codeThe Code is as follows:Class Program{Static void Main (string [] args){TestClass objA = new TestClass ();ObjA. Name = "I am ObjA ";Console. WriteLine (String. Format ("In Main: {0}", objA. Name ));TestFun (objA );Console. WriteLine (String.

1. Disable sessionIf you cannot use session tracing, disable it. You can set the following in each asp.net page: EnableSessionState = "false" %> Of course, you can design the mode Value to Off in the web. config application configuration settings. 2

When the Server Control displays images, the relative position is automatically displayed,There are two solutions for non-server controls:1. Request. ApplicationPath + image path (images/xxx.gif): The image path in the database starts with the

Copy codeThe Code is as follows:Using System;Using System. Collections. Generic;Using System. Linq;Using System. Web;Using System. Web. Security;Using System. Web. UI;Using System. Web. UI. HtmlControls;Using System. Web. UI. WebControls;Using

The three methods are as follows:String a = "";1. if (a = "")2. if (a = String. Empty)3. if (a. Length = 0)The three methods are equivalent, so which method has the highest performance? I will illustrate the problem with an experiment.Create three

Copy codeThe Code is as follows:Session. Abandon ();Response. Redirect ("Login. aspx ");However, after clicking the browser, you can still return to the page just now. This is not acceptable. After searching for it online, many people have

Copy codeThe Code is as follows:Protected void Application_BeginRequest (Object sender, EventArgs e){Application ["StartTime"] = System. DateTime. Now;}Protected void Application_EndRequest (Object sender, EventArgs e){System. DateTime startTime =

Make sure that the registered provider has the BuildProviderAppliesToAttribute that contains the value "Web" or "All.Solution:I. In web. configModifyII.In IIS, You need to click Properties of the site-main directory-configuration- ing-addExecutable

If you only want to simply display data, or perform some formatting operations on the displayed data, the basic DataGrid and labelFunction support can be satisfied, but most of us need to target different data and objects, perform different

Symptoms: When testing IIS, an error occurs in HTTP 500.Enable ie internet option-advanced-uncheck "show friendly HTTP Error messages"The Error Server Application Error is returned.After analysis, the reasons are as follows: (I am XP SP3

1. Introduction to the Transfer Execute Redirect redirection Method1. Server. Transfer Method:Server. Transfer ("m2.aspx"); // page redirection (executed on the Server ). The server stops parsing this page, saves the data on this page, redirects the

It is actually implemented using the Process object in. Net.String str = @ "d: \ test. avi d: \ test_allen.flv ";RunFFMpeg (str );// Decode the video that runs FFMpeg,Public void RunFFMpeg (string strCmd){// Create and start a new processProcess p =

1. this. Session ["username"] = nullHttpSessionState uses a collection object of the NameObjectCollection type to store user data. Therefore, using this. Session ["username"] = null only sets the value of this element to null and does not actually

Sometimes, when we debug the ASP.net program, it will be very painful. Access to a certain component is denied. At this time, Restarting IIS does not work when the computer logs out. At this time, the error message is generally similar to the

From today on, I will occasionally write something about JavaScript, including languages and applications. To form the JavaScript series.Unless otherwise specified, it is assumed that the JavaScript execution environment is in the browser.For the

. Net:OleDbConnection oleConn = new OleDbConnection ();OleConn. ConnectionString = "Provider = Microsoft. Jet. Oledb.4.0; data source = D: \ Data.xls; Extended Properties = Excel 8.0 ;";OleConn. Open ();DataTable dtOle = oleConn. GetSchema ("Tables "