.Net Core

1. Add a row number. The effect is as follows:Ii. Set attributesSet the gridView property: gridView1. IndicatorWidth = 30; or set the value in the Properties window. (The IndicatorWidth size can be set based on the actual size)3. Add eventsCopy

Web. config: Copy codeThe Code is as follows: Corresponding. cs page: Copy codeThe Code is as follows:If (sdr. Read ()){This. lblDianMianMingCheng. Text = sdr ["BuJuGongSiName"]. ToString ();DianMianId = sdr ["BuJuID"]. ToString ();If (sdr

A large website has many pages. If every copyright information is directly written below, you need to find every page for modification in the future, which is easy to forget and make mistakes.The following describes a convenient method: a static

Default. aspx Copy codeThe Code is as follows:View Code No title page Default. aspx. cs Copy codeThe Code is as follows: Using System;Using System. Configuration;Using System. Data;Using System. Linq;Using System. Web;Using System. Web.

Since the launch of the net framework in version 2.0, Generic (Generic) has been widely praised. It does not have to suffer performance loss like the object type because of "unpacking" or "Packing". At the same time, it can detect in real time

Data Source Data Binding is divided into two parts: data source and data binding control. The data binding control obtains data through the data source and isolates the data provider and data user through the data source, the data binding control

This article uses two slightly different methods to implement HTTP server classes in C # language. The reason for writing this is to have a better understanding of the underlying operations of HTTP.To complete high-performance Web service functions,

First, observe the drop-down list of target components on different platforms through the experiment. In Visual Studio, adjust PlatformTarget to Any CPU in sequence, x86and x64, and compile eventpingpongany.exe, EventPingPongX86.exe, and

 Int x; long y = 123456789101112; x = (int) y; Console. WriteLine (x ); Output result: We know that the value range of the long type is-9223372036854775805 ~ + 9223372036854775807; int type:-2147483648 ~ + 2147483647 In the code above, the value of

Description: The code snippets are obtained from the network and modified by yourself. I think something should be shared.Implementation Principle: When we collect the page, if the website to be collected needs to log in to collect. Whether based on

Stateless Http The root cause of stateless connection is that the browser uses Socket to communicate with the server. After the server returns the request result to the browser, the current Socket connection is closed. In addition, the server will

Copy codeThe Code is as follows:Using System;Using System. Data;Using System. Data. SqlClient;Public class Helper{Public static void Main (){// Connection stringString strcon = "server =.; database = blog; uid = sa; pwd = 1 ";SqlHelper helper = new

Let's talk about the Code directly. Prepare for cainiao ...... It is actually a JavaScript small window popped up, which is always a defined DIV.Copy codeThe Code is as follows:/// /// A small JavaScript window pops up, which is actually a defined

I saw it on a forum yesterday. Insus. NET tried to do it. It is an exercise. Test Demonstration of Insus. NET: Xxx. aspx: Copy codeThe Code is as follows:OnItemDataBound = "dlItemGeneral_ItemDataBound">Material Code Xxx. aspx. cs:Copy codeThe

Today, Insus. NET exercises JavaScript to open a child window from the parent window. After processing some results in the Child window, the results are assigned to the text box in the parent window. Visible effect: Create two aspx pages on the site.

Some time ago, when we met the need to disable refresh, The f5 button will not be mentioned, and simple js will be able to disable it, but the refresh button on the toolbar will not be able to do anything silly.If you simply reload the screen during

At a time, a watermark is decorated for the TextBox. It has two states: blur and focus. Therefore, we canJavascript writes two events:Copy codeThe Code is as follows: Apply the two Javascript events in TextBox:Copy codeThe Code is as

Full and inverse selection of the checkbox in the GridView are required in many places. Therefore, the checkbox selection is implemented from the server side and the client side.1. Server Side:The html code is as follows:Copy codeThe Code is as

In fact, this article has been written for a long time, but it has not been reproduced at that time, or it will be temporarily handled because of the importance of the business and the pressure of complaints. In the past few days, the Web server in

We often use WebBrowser to perform automated tasks during web testing. In some web pages, IFrame is used to nest other pages. These pages may not be under the same domain name. In this case, cross-domain issues may occur and the IFrame elements