In actual scenarios, you may need to query the table sheets in the database at a time,
Fill the dataset with the fill method of the sqldataadapter class, and specify the name of the able table filled in the dataset,
For example, set it to the same as the database.
You can use the tablemappings attribute of the sqldataadapter class.
Fill in the table name in dataset
I recently developed the C/S architecture software. I just copied it when I read this article in many aspects that I was not familiar with. Thanks very much to the original author. The following is the original article.
In daily development, in order to write functions such as adding, updating, modifying, and deleting data, you have to deal with boring code and repeat the work .. The release of the official version of NET 2.0 is undoubtedly a great pleasure for our program developers. Some new e
1, in Ubuntu installed Win7 virtual machine, in the use of plsql to develop the time found very slow very card, often half a day response. Machine is not bad, 1w5 of thinkstation, really can't stand thisSpeed, thinking in Ubuntu under the Wine+plsql, before the network does not pass, what offline version of the installed, network through the case, spend not too much timeYou can get the wine+plsql done. Wine
. Then define a set of deep links) URL to provide the application entry point "Router" to activate these components.
You can use Backbone. js to organize independent entity models, sets, and views.
Data Binding
You can use Backbone. js to bind a view to a model. When the data of a model changes, all views bound to the model are automatically re-displayed. Complex UI synchronization code is no longer required.
Clever REST Integration
Backbone. js can also be integrated with RESTful services natur
PS: Since I use centos6, it is different from the online version 5. *, and I have changed it based on the online materials.
First, download the wine source code package.
Www.winehq.orgDownload the gz2 package of stableDecompress and run[Root @ localhost ~] Tar jxvf wine-1.2.tar.bz2Enter the wine directory[Root @ localhost ~] CD
Step 1: Add enginegeodb license Initialization
Iaoinitialize aoinitialize = new aoinitialize (); aoinitialize. initialize (esrilicenseproductcode. esrilicenseproductcodeenginegeodb );
If this parameter is not added, the following error occurs: "The application is not licensed to create or modify schema for this type of data"
Step 2: connect to the SDE Database
VaR factorytype = type. gettypefromprogid ("esrisponcesgdb. sdeworkspacefactory "); var workspacefactory = (sdeworkspacefact
Export dataset data to Excel and dataset data export
1. Write the data to the HTTP output stream/the exported data is in one row.
Public void CreateExcel (DataSet ds, string FileName) {HttpResponse resp; resp = Page. response; resp. contentEncoding = System. text. encoding. getEncoding ("GB2312"); resp. appendHeader ("Content-Disposition", "attachment; filename =
Install wine in linux to run windows program
Wine Introduction
Wine Is short for Wine Is Not an Emulator (Wine Is Not a simulator). It Is actually a conversion layer (or program loader ), it can run Windows applications on Linux and other similar POSIX-compatible operating s
Finally, I still use Linux or fedora8. Here is the installation of wine.
Method 1It is important to log on with a common user. Decompress the downloaded * .tar.bz2. After decompression, this is the original code installation package, and enter the directory on the terminal. Run:./Tools/wineinstall.
Example: wine-0.9.2 is used as an example.Copy the downloaded win
Install Wine 1.7 on a RedHat or Debian-Based System
Wine, the most popular and powerful software in Linux, can smoothly run Windows programs and games on the Linux platform.
This article teaches you how to install the latest Wine 1.7 on Red Hat and Debian systems like CentOS, Fedora, Ubuntu, and Linux Mint.
For more information about how to install the latest
At present, the development of grape and wine industry in China has entered a new stage, but it still faces problems such as weakened investment and poor financing channel. To this end, the implementation of "Portuguese wine +" mining consumption potential to promote the development of China's wine industry.650) this.width=650; "src=" http://www.23p8.com/Uploads/
SVM-based data classification prediction-Italian wine classification identification, svm Italy
Wine data comes from the UCI database and records the chemical composition of wine 13 of different varieties in the same region of Italy, so as to achieve automatic wine Classification through scientific methods.
The data of
Wine, a very popular and powerful Open-source application on the Linux platform, with it, we can run Windows apps and games perfectly on the Linux platform.
WINEHQ team, recently announced a new development version of Wine1.7.29. This version brings many important features and fixes 44 bugs.
The wine team publishes new development releases almost every week, adding many new features and fixing vulnerabili
When dataset is written into the memory stream using the writexml method of dataset, the Declaration line of the XML document is missing.
Dataset. writexml (memorystream, xmlwritemode. writeschema). After writing, memorystream does not contain the declaration part of the first line of the XML document.
Solution: Write the Declaration line in memorystream.
Samp
will not really delete
userdataset.tables["Users". Clear ();
Mode two: Use DataTable.Rows.Clear Delete, note that this will not retain the deletion state, save will not really deleteuserdataset.tables["Users". Rows.clear ();Mode three: Use bindingsource.removecurrent loop to delete all records, this will retain the deletion state.while (usersbindingsource.current!= null)
usersbindingsource.removecurrent ();
8. Replication of dataset data and
Because our school's campus network accesses the Internet by running a client on the local machine, so I need to enable this software to run online in linux before I can access linuxsir, so I thought about how to install the latest wine version to support Chinese characters.
The following are my installation steps:
Preparations before installation
Unmount the original wine. redhat 7.3 has two files:
Wine chain World Virtual coin system development (direct to beam manager 131-o679-9736 micro-electric) wine chain World Blockchain project development wine chain World app platform development wine chain World wine industry blockchain application developmentThe
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