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Tags: lib database serve ATI Body app. SH set postStr= "Data Source=ip; Network LIBRARY=DBMSSOCN; Initial catalog= database; User Id=sa; Password=xx " stringstr = configurationmanager.appsettings["Con_mes"]; Try { using(SqlConnection conn =NewSqlConnection (str)) {Conn. Open (); if(Conn. state = =ConnectionState.Open) {MessageBox.Show ("Connection Successful"); } } } Catch(Exception ex) {MessageBox.Show

The 1th kind,Shared locks, generated by read lookups.The 2nd kind,Intent locks, with intent locks, indicate the intention to acquire a resource.The 3rd kind,Update the lock and get it before modifying the data.The 4th kind,Exclusive lock, which is used to monopolize a resource.The 5th Kind,Schema locks, which are generated when a DDL statement is run.The 6th kind,The schema is stable, generated at query compile time, so that the DDL cannot be performed on the table.The 7th kind,High-volume updat

(expression must begin with column name) ---Stored procedures accumulate sums Create procLeijiaqiuhe@a INT--Input parameter as Declare @b INT--Declaring variables Declare @i int--declaring Variables Set @i=1--assigning an initial value Set @b=0--assigning an initial value while @i@a--while Cycle conditions begin Set @b=@b+@i Set @i=@i+1-I.++End return @b Go Declare @c int exec @c=LeijiaqiuheTen Print @c -------Backup Restore--right-click database

Using the WIN8 system to build the local server, Win7 use the same method. If your system is a lite version of WIN7/8, then installing IIS7 may also be problematic. Below SJY lead everybody to solve this mistake.WorkaroundOpen Control Panel → Administrative Tools →internet information Services (IIS) Manager → in the left window find and click on your website → Double-click the "ASP" icon on the right.Then e

In windows mysql 5.7 to modify the encoding to UTF-8 method steps, mysqlutf-8 Preface When I first started learning MySQL, I downloaded the latest version 5.7.14 from the official website. When I entered the Chinese language using cmd, an error was reported. So I started to modify the default mysql encoding (in windows). Let's take a look at the detailed modification methods. The method is as follows: F

Java environment configuration -- JDK 8 and java environment JDK 8 Download the latest jdk version from the official website. Test version: jdk-8u60-windows-x64.exe Test environment: Windows Server 2012 R2 Standard X64 During installation and installation, four paths are selected: the first two are java8, and the last two are jdk1.8. During the first two ins

, The server stability of the website is the most important and basic link that affects the user experience. 7, easy to enter the 11-digit ranking Generally speaking, the 11-bit more common site is the new station and some of the operating instability of the site, for the new station rankings increased too fierce will enter 11 places. And for the instability of the site will naturally also put the original high ranking of the site instantly into 11,

New Features of Java 8: Default interface methods and static interface methods, new features of Java 8Interface Definition The function of an interface is to define the functions required by an instance of this type, that is, the tasks that must be executed, and you do not need to care about how these tasks are implemented. The method defined by the interface does not have a method body, and the interface cannot define instance variables. If a class i

Python generates 8-bit random passwords. python generates 8-bit random passwords. This example describes how to generate a simple 8-bit random password in Python. We will share this with you for your reference. The details are as follows: #! /Usr/bin/env python #-*-coding: UTF-8-*-import randomimport string # first m

Build the PHP Runtime environment in IIS (8.0) of Windows 8: One: Install the IIS server 1. Access to Control Panel >> programs and features >> turn Windows features on or off to find Internet Information Services, remember to select the CGI 2. When the installation is complete, open localhost in the browser to see if you can display the Welcome page for IIS: Two: Download installation configuration

In this article, we will sort out some basic knowledge that needs to be learned before Windows 8 Development and list it as a corresponding table for your reference. Some of them come from msdn and some from my own organization, correct the error. Thank you. I. Relationship between creating common XAML project templates and various languages Project type name Role and description of the project type Applicable Language Blank Ap

The default progress bar in Windows 8 also keeps pace with the times, different from the previous in Silverlight. This article describes three different progress bars. In addition, this article also describes two timers. ProgressEntries Main attributes: Value: The current progress value. Maximum: maximum progress value. Isindeterminate: Specifies whether the progress bar is determined. 　　Confirm progress bar: Progress bar with clear progress. The prog

In Windows 8, controls include contextmenuopening events of input controls such as textbox and righttapped events of non-input controls such as buttons. This article describes the usage of two events. The Popupmenu is a class of the shortcut menu. First, let's take a look at the instantiation of the specific menu class and get the project code. /// Then let's take a look at the event of registering the right-click processing of the two controls as fo

frame. Vi. ICMP Message Type ICMP defines five common error messages and six query message types, and uses code to express the segments of different types of messages. VII. Application of ICMP A. Ping Ping is the most famous application of ICMP. When a website cannot be accessed. Usually ping this website. Ping will display some useful information. The general information is as follows: The word Ping is derived from the sonar location, and this program does the same thing. It uses ICMP p

some correlated data field values. In this case, we allow the field to be public from a practical point of view, and define the (class) structure with struct. 8. encapsulate collection P208 encapsulation collection If a field of the class is set type, the processing method for this set should be different. The value function should not return the set itself, because it allows users to modify the set content, but the set owner does not know it at

are still some restrictions on this definition. Only the namespace containing the member declaration can contain the definition of the member. 8. global namespace The name defined in the global scope (the name declared outside the namespace of any class, function, or namespace) is defined in the global namespace. The global namespace is implicitly declared and exists in each program. In the global scope, each object is defined to add those names to t

In this article, we will demonstrate how to develop MVVM in Windows 8, and first we prepare two auxiliary classes as follows: Viewmodebase class: public class viewmodebase:inotifypropertychanged {public event PropertyChangedEventHandler propertychanged ; Delegatecommand class: public class Delegatecommand:icommand {private readonly Action m_exeaction; Private ReadOnly func

The GridView in Windows 8 uses (ii) and Datatemplateselector Examples of what is described in this article are still used in the previous article, and there is no doubt that you can refer to the previous article. One GroupStyle in the GridView control we can display the data in groups, and by controlling the GroupStyle of the GridView, we set up Groupstyle.headertemplate and Groupstyle.panel respectively. The following code: Two datatemplatesele

In Windows 8, our Pasteboard holds 4 kinds of information: text, pictures, Web pages, files. In this article we will copy and paste each of these 4 elements, of course, you can also copy the 4 elements externally, and then paste it in the program. Datapackage: Contains data that the user wants to exchange with another application Set a relay variable to save the user's value datapackage dp = new Datapackage (); First: Let's take a look at t

In Windows 8, there are three kinds of notifications in a timely manner to remind users that they are Toast,tile,badge Toast: is a reminder notification that pops up in the application in a timely manner. Tile: is a magnetic notice, used in the Metro interface of the application icon on the picture and text notification. Badge: Is in the magnetic paste tips notice, used in the Metro interface of the application icon in the lower right corner to ind