.Net Core

Mysterious HttpHandler and HttpModuleIn college, I started learning asp.net from drag controls, and I didn't know much about many class library objects in. net. So when I saw some personal asp.net terms, I felt that asp.net had always had a

PerThreadLifetimeManager ProblemsWhen the built-in PerThreadLifetimeManager survival model of Unity is used, it is designed based on ThreadStatic TLS (Thread Local Storage). That is to say, for each managed ManagedThreadId, it caches the generated

Copy codeThe Code is as follows:Public class Script{Public static void Alert (string message){ResponseScript ("alert ('" + message + "');");} Public static void ResponseScript (string script){HttpContext. Current. Response. Write (" \ n ");}} In

Copy codeThe Code is as follows:/Read temporary files GYYW. DA. Common. Base_SqlDataBase daBZDM = new GYYW. DA. Common. Base_SqlDataBase (); DataSet dsBZDM = daBZDM. GetDataSetBySql ("select QCDM, MC, GG from WG_BZDM where QCDM like '200 '"); // Use

Refresh the verification code as an example. Copy codeThe Code is as follows:Verification code: Method 1: Use the pseudo class implementation of JavaScrip Copy codeThe Code is as follows:Method 2: Import external files Introduce external files

Copy codeThe Code is as follows:Private string ConvertDataTableToXML (DataTable xmlDS) { MemoryStream stream = null; XmlTextWriter writer = null; Try { Stream = new MemoryStream (); Writer = new XmlTextWriter (stream, Encoding. Default ); XmlDS.

Previously, we have briefly introduced how to use Jquery in MVC, because we must understand Jquery if Ajax is used. This blog will give a general introduction to ASP. net mvc: How to Use Ajax as an auxiliary method. This blog is my reading notes. If

Asp.net: When uploading multiple files, use the File control of the html control to add [enctype = "multipart/form-data"] to form "].Up3.aspx File CodeCopy codeThe Code is as follows: BorderWidth = "1px" Height = "20px" Width = "60px"> Up3.aspx.

When ReadOnly = "true" is set for TextBox, if a value is added to the control on the foreground, the background cannot be obtained and the value is "null"I can't figure out the principle, but I don't know why Microsoft considers it. However,

When a user asked about the Adapter mode of the design mode the day before yesterday, they said they were not very familiar with it. Let Insus. NET give a simple example. The following animation shows the effect of Insus. NET:In the above

Copy codeThe Code is as follows:Using System;Using System. Data;Using System. Configuration;Using System. Web;Using System. Web. Security;Using System. Web. UI;Using System. Web. UI. WebControls;Using System. Web. UI. WebControls. WebParts;Using

After the crystal report is arranged, the following images are not displayed:First, the image on the toolbar of the crystal report is not displayed.;Second, the image objects in the crystal report are not displayed.;Solution to the first case:The

We can judge characters or numbers based on the event. keyCode of the onkeydown event, that is, ASCII Chart. ASCII code corresponding to the relevant keyboard key: Refer to the following JavaScript code:Copy codeThe Code is as follows: In this

First, in the global. asax page, the related code is as follows::Copy codeThe Code is as follows:Void Application_BeginRequest (object sender, EventArgs e){HttpContext context = (HttpApplication) sender). Context;String oldurl = context. Request.

First look at the effect:After the Repeater control is placed on the OnClick button of the ItemTemplate, the Item, ItemIndex, CommandArgument, CommandName, and bound field values of the Repeater are obtained.Prepare data:Copy codeThe Code is as

What is a recursive function/method? Any method can call other methods or itself. When this method calls itself, we call it a recursive function or a recursive method.Recursion has two features::1. Recursive methods always call themselves until

I learned Asp. net soon, I used C # To write code. I learned C # and found that many beginners do not have a special understanding of inheritance and polymorphism. So I gave this example and hope to help you, the example is simple. Page file

/// /// Custom information dialog box/// Public class MessageBox{/// /// Define a web page to Display User-Defined error message/// System. Web. UI. Page p;/// /// For an instance, the parameter is this, for example, MessageBox MB = new MessageBox

A project was created last time, involving database restoration and restoration. I found it online and implemented it using SQLDMO. Just add SQLDMO reference, then, use the method of the following class to implement it. I expanded the original

Abs (number) gets the absolute value of the value.Asc (String) obtains the first ASCII code of a String expression.Atn (number) gets the arc tangent value of an angle.CallByName (object, procname, usecalltype, [args ()]) is used to execute the