Data cannot be retrieved from the database when the code, compilation result, and database are determined to be normal. Error prompt: sysyem. net. webexception: the remote server returns the error notfound. The Listener finds that the requested Database Service is abnormal and the access address http404 is incorrect.
An error occurred while initiating a request to the database.
Error message after access to SVC address
After confirming that the other aspects are normal and the VS is fixed, t
Generally, you can set the Timeout attribute value in the configuration file to customize the service Timeout time. However, the WCF Service does not have a configuration file, and the default Timeout value is 60 s. But sometimes, if our query time exceeds 60 s, can we define the time-out by ourselves.
The answer is yes. The proxy class generated by RIA Services is just partial. We can use this to set timeo
[dbo].[Department] AS[Extent1]
As you can see, EF only queries two fields for us. Also, EF does not automatically correlate data for course tables for us.Note that in this code, we first select New with an anonymous type, bypassing the dbsetThen, we will find that we cannot get the data, trace the error, and we will find:{"The Entity or complex type ' schooldata.department ' cannot is constructed in a LINQ to Entities query."} system.systemexception {System.NotSupportedException}The
First, we will introduce the definition of composite layers:
Using WCF Ria services, you can create applications for data classes in a composite hierarchy.ProgramLogic. These hierarchies contain classes associated with "having" relationships, including objects (overall or parent) that control the creation and lifecycle of contained objects (partial or child. For example,SalesorderheaderEntity hasSalesorde
Installing Web services and Awstats analysis systems under LinuxEssential Tools1:Linux system2:Web and awststs rpm package http://www.apache.org/http://www.awstats.org/3: The brainStepsFirst, you need to mount the disc to the specified directory, easy to find650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M00/9B/51/wKioL1lhpMzSQn9jAABHwP9xkSI354.png "title=" 1.PNG "Style=" float:left; "alt=" Wkiol1lhpmzsqn9jaabhwp9xksi354.png "/>Modify the IP
We will study how to create an application as a Windows service. The content includes what is a Windows service and how to create, install, and debug them. The System. ServiceProcess. ServiceBase namespace class is used.
What is a Windows service?
Windows service applications are applications that require long-term running. They are especially suitable for server environments. It does not have a user interface and does not produce any visual output.
We will study how to create an application as a Windows ServiceProgram. The content includes what is a Windows service and how to create, install, and debug them. The system. serviceprocess. servicebase namespace class is used.What is a Windows service?
Windows service applications are applications that require long-term running. They are especially suitable for server environments. It does not have a user interface and does not produce any visual
1. Why use the Web Services component on IIS?If you are using HTTP Adapter in Dynamics AX service, you will have to install the Web Services component on IIS . HTTP adapter generates a Web Service in IIS.2. Install the Web Services component on IISHere's how to
service Monitor Tool to view and manage the status of Apache services installed on all machines on your network. To use this tool to manage Apache services, you must first install the apache service automatically or manually.You can use the following command to install Apache as a Windows NT Service in the bin subdire
Forwarding
VMware vsphere development (1) install and configure the running environment of the VMware vsphere Web Services SDKAuthor: fliggy (http://hi.baidu.com/imlidapeng)
I. Preparation
To use the VMware vsphere Web Services SDK to develop Java Web-service client applications, you must use the Java SDK and Java Web service development tools as follows:
1. Requ
The Setup command is a graphical gadget used under Linux to configure network, firewall, system services, and other settings. It's easy to use, but the centos\redhat minimal installation found the Setup command tool useless.Next, we'll show you how to install the Setup gadget:Yum whatprovides/usr/sbin/setupDisplay information:Setuptool-1.19.9-4.el6.i686:a Text mode system Configuration ToolThe hint is that
In Windows, most of the services are registered in the system with "one-click installation". For example, by default, we can use memcached-D install (PS: for more options about memcached, refer to memcached-H.) run the memcached command to register the memcached service as a system service.When you need to install multiple memcached
By default, services such as telnet are not installed in SuSE. How can I install services such as telnet and FTP in SuSE. This article describes how to use this function.Page:
YaST install Telnet Service 1. Open YaST and find install and remove software in [software.
Direc
InstallMySQLThe system prompts: Cannot create windows service for mysql. error: 0.
The reason is that the old mysql service exists in the system. The solution is as follows:
To permanently delete the old mysql service, you must run the following command on the command line with the administrative permission:C: \> SC delete mysql[SC] DeleteService SUCCESS
When installing the service, if a similar situation occurs, check whether the service is a legacy service program, solution, delete the old ser
Install Ngix services and cluster PHP, Tomcat under CentOSResources: http://download.csdn.net/detail/attagain/7570597One, Ngix dependent module installationNgix dependent modules are: pcre, zlib, OpenSSL, MD5/SHA1 (if the corresponding modules are not installed in the system, they need to be installed in the following ways)1. Installing the Pcre module (8.35)Official website: http://www.pcre.org/installatio
service to enable pppoe to access the Internet.Supplement:
Enable wireless connection. After pppoe is enabled, you cannot connect the PC to the router through a network cable to access the route. In my opinion, wr703n only has one network adapter eht0, which is used as a LAN before the network connection and as a wan after the network connection. Therefore, you can only connect to the LAN through wireless connection.
Other networking methods are not described.Install Luci and support the Chines
https://social.technet.microsoft.com/Forums/systemcenter/en-US/9795f13d-3de3-47ac-a552-4ba0d7e340b6/ Scvmm-2012-error-1735-virtual-guest-services-are-not-installed?forum=virtualmachinemanagerWe can install Virtual Guest Services when VMS is stopped as the following screenshot650) this.width=650; "Width=" 905 "height=" 351 "title=" QQ picture 20160505093516.png "s
The following figure shows the process of installing oracleoracle10gand centos5.3. Download and decompress 10201_database_linux32.zip to the database file, and check whether the memory and swap are suitable.
The following is a text description of Oracle 10g, CentOS 5.3 installation process, download and decompress 10201_database_linux32.zip to the database file, memory, swap is appropriate please
The following is a text description of the installation process on Oracle 10g, CentOS 5.3
1. Do
Add MySQL to a Windows system service:1. Install the service.After windows is installed, MySQL is not installed as a service. You must run the following statement to register MYSQL as a service: installdir/MySQL/bin/mysqld-NT -- install.There is no service concept in Windows 98, so you do not need to install the service.2. Start the serviceIn Windows2000, you can start the MySQL service: Net start MySQL aft
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