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SQL Server
Monday, June 25, 2012PrintSubscribe
Format On Server

Format strings are used to format data before presentation to the end user. There are standard numeric and date/time format strings. In addition, custom date/time format strings can be created. The formatting is performed in the client web browser by default.

Microsoft.NET offers rich data formatting capabilities. Developers may request formatting of field values on the server to take advantage of everything it has to offer.

For example, the Unit Price field in the Order Details controller uses the standard currency format string of “c”. An application with en-US culture will format the number as a currency with a dollar sign on the left, period as a decimal separator, and parenthesis's to indicate negative values. The $0.00 indicates a zero value.

Unit Price field with default format string of 'c'.

Server-side formatting offers additional field value formatting options.

Start the Project Designer. In the Project Explorer, switch to the Controllers tab and double-click on Order Details / Fields / UnitPrice field node.

UnitPrice field of OrderDetails controller.

Change the following properties:

Property New Value
Data Format String 000,000.00;(000.00);Zero Value
Format On Client False

The data format string is a custom numeric format string. Positive, negative, and zero value strings are separated by a semicolon.

Press OK to save the field. On the toolbar, click on the Browse button to generate the web application.

Navigate to the Order Details page. The values in Unit Price field will be formatted according to the custom numerical format string. All eight digits will be displayed. Zero values will be represented with the text “Zero Value”.

Unit Price field using server-formatted custom numeric format string.

Notice that when the row is in edit mode, the values of fields formatted on the server will be displayed in raw form.

When the row is in edit mode, the values of fields formatted on the server will be displayed in raw form.

Thursday, October 20, 2011PrintSubscribe
Northwind Sample

Many of Code On Time tutorials are using Northwind sample database created by Microsoft to illustrate concepts of database design and implementation with Microsoft SQL Server.

The database is somewhat outdates and does not reflect the latest advancements in Microsoft SQL Server features and capabilities. Nevertheless it provides a perfect dataset to illustrate the concepts of code generation.

We have included the script creating the Northwind sample database with the code generator. The script can be used to create a sample dataset for Microsoft SQL Server 2005, 2008, and SQL Azure.

Please follow this instructions if you want to create your own Northwind database sample.

Getting SQL Server on Your Computer

Download and install Microsoft SQL Server Express edition if you have not done so already. You can download the server along with free development tools that will help you customizing generated web applications at http://www.microsoft.com/web/downloads/platform.aspx. The link provides access to Microsoft Web Platform Installer, which makes the download and installation process extremely simple and pain-free.

If you do have a retail or development version of Microsoft SQL Server then this step is not needed.

If you are developing with other types of databases, such Oracle, DB2, MySQL, Microsoft Access, then getting Microsoft SQL Server Express installed will still help to get started with Code On Time. Generated web applications use provider-independent model to access data. It means that there is no code specific to Microsoft SQL Server in the generated application framework. If your back-end database server is Oracle 11g then exactly the same code will be generated.

Creating a Database

Run Code On Time and start creating a new Web Site Factory project.

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Enter project name and choose your programming language (C# or Visual Basic.NET):

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Click Next button to advance to Database Connection page of the project wizard.

Click the button next to the Connection String field to open the connection configuration window.

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If you just have installed Microsoft SQL Server Express Edition on your computer then enter the following text in the Server field :

.\SQLExpress

The dot in front of “\SQLExpress” indicates that you are connecting to your own computer.

If you already have a database server or working with SQL Azure then enter the actual server name or IP address.

Enter Northwind in the Database field and click Create button to create a blank database. You should see a message stating that the database has been created successfully.

Select Northwind in the drop down under Sample Tables and click Install button. You will notice the activity log displaying various SQL statements executed against the database. A message indicting completion of the process will be displayed.

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Click Add button under Membership section to create optional support for ASP.NET Membership in your database. This option is not available in DotNetNuke Factory projects.

Azure Factory project offers additional section to configure session state support for multi-server deployment.

Wait for membership installation to complete and click OK button to save the settings.

Click Next button several times until you reach the summary of data controllers that will be implemented in your web application.

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Click Generate to start the code generation.

A browser window will open up when code generation has been completed.

Start using and customizing your own Northwind sample.

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You can reference the same database in other projects whenever you need.