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24 Nov 2018 ... This blog will demonstrate how to generate QR code using ASP . NET . Create an empty web project in the Visual Studio version of your choice. Add Web Form, right-click on the project, select Add New Item, choose web form, give it a name and click on Add. Add script and styles in web form head section.

public class DynamicTabDemo extends Activity { @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); final TabHost tabs=(TabHost)findViewById(R.id.tabhost); tabs.setup(); TabHost.TabSpec spec=tabs.newTabSpec("buttontab"); spec.setContent(R.id.buttontab); spec.setIndicator("Button"); tabs.addTab(spec); Button btn=(Button)tabs.getCurrentView().findViewById(R.id.buttontab); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { TabHost.TabSpec spec=tabs.newTabSpec("tag1"); spec.setContent(new TabHost.TabContentFactory() { public View createTabContent(String tag) { return(new AnalogClock(DynamicTabDemo.this)); } }); spec.setIndicator("Clock"); tabs.addTab(spec); } }); } }

Now that you ve created the Category table, you can populate it with some data. We ll also try to add data that would break the relationship that you established between the Department and Category tables.

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1. Open the Category table for editing (right-click the table in Database Explorer and select Show Table Data).

In our button s setOnClickListener() callback, we create a TabHost.TabSpec object and give it an anonymous TabHost.TabContentFactory. The factory, in turn, returns the View to be used for the tab in this case, just an AnalogClock. The logic for constructing the tab s View could be much more elaborate, such as using LayoutInflater to construct a view from layout XML.

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Mature QR Code Barcode Generator Library for creating and drawing QR Codebarcodes for ASP . NET , C#, VB.NET, and IIS applications.

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2. Using the editor integrated with Visual Web Developer, you can start adding rows. Because CategoryID has been set as an identity column, you cannot manually edit its data SQL Server automatically fills this field for you. However, you ll need to manually fill the DepartmentID field with ID values of existing departments. Alternatively, you can populate the Category table using the scripts from the Source Code area on the Apress web site (http://www.apress.com). Add categories as shown in Figure 4-7.

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Initially, when the activity is launched, we have just the one tab, as shown in Figure 9 9. Figure 9 10 shows all three tabs.

Tip Keep the CategoryID numbers in sequential order to make your life easier when associating them with product IDs later in this chapter. Remember that you can use the TRUNCATE TABLE command to empty the table s contents and reset the identity value.

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3. Now, try to break the database integrity by adding a category to a nonexistent department (for example, set the DepartmentID to 500). After filling the new category data, try to move to the next row. At this point, Visual Web Developer submits the newly written data to SQL Server. If you ve created the relationship properly, an error should occur (see Figure 4-8). For more detailed information about the error, click the Help button.

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ASP . Net MVC : Dynamically generate and display QR Code Image
4 Dec 2017 ... The QR Code Image will be dynamically generated in ASP . Net MVC Razor using the QRCoder library which is an Open Source Library QR code generator . You will need to download the QRCoder library from the following location and open the project in Visual Studio and build it.

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Generate QR Code and display image dynamically in asp . net using c
29 Dec 2018 ... This tutorial shows How to generate QR Code and display and save QR Codeimage to folder in asp . net using c# using Google chart API and ...

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