Format On Server

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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.