A DiffGram is a XML format that is used to identify current and original versions of data elements. The DataSet uses the DiffGram format to load and persist its contents, and to serialize its contents for transport across a network connection. When a DataSet is written as a DiffGram, it populates the DiffGram with all the necessary information to accurately recreate the contents, though not the schema, of the DataSet, including column values from both the Original and Current row versions, row error information, and row order.
The Add and Insert methods have the same signature, but there are subtle differences between them. First, calling the Add method returns an object that represents the cached item, while calling Insert does not. Second, their behavior is different if you call these methods and add an item to the cache that is already stored there. The Insert method replaces the item, while the Add method fails.
Globalization is the process of creating an application that meets the needs of users from multiple cultures. It includes using the correct currency, date and time format, calendar, writing direction, sorting rules, and other issues. Accommodating these cultural differences in an application is called localization.Using classes of System.Globalization namespace, you can set application’s current culture. This can be achieved by using any of the following 3 approaches. Detect and redirect Run-time adjustment Using Satellite assemblies.
A resource file may contain a collection of icons, menus, dialog boxes, strings tables, user-defined binary data and other types of items. Once compiled into a suitable format, a resource file can be embedded directly into an executable file, producing a single EXE containing both code and resources. At run-time, the application can use the resource items in the embedded file. The process of creating a resource is straightforward, and is similar to compiling a PowerBASIC program. While resource files are still supported, usage of the #RESOURCE metastatement simplifies adding resources to your program. With the #RESOURCE metastatement you can … Click here to continue reading.
Use Application. Lock and Application. Unlock before accessing Application Variables.