Protected void gridviewrowupdatingobject sender gridviewupdateeventargs e

The repository and unit of work design patterns are used to create an abstraction layer between the data access layer and the business logic layer of an application. Dependency Injection: With repository pattern we can use Unity containers to inject the relevant object that we want to use in the code.Implementing these patterns can help insulate your application from changes in the data store and provides the following design benefits: 1. Hides the detailed data store mechanism/technology. Enterprise Data Repository (EDR): is a library design to be used in both web and standalone/non web application.In this post, I am trying to Delete an EDit the records of virtual gridview. this is easy to do first make true delete button in gridview then, in the Row Deleting event put viewstate data to datatable "dt =(Data Table)View State["Grd Data"];" and find row in datatable for remving "dt. The last parameter is a boolean value which tells the method whether to execute an Insert (false) or Update (true). In-order to perform Edit and Update in Grid View we need to use three events ( Grid View_Row Editing, Grid View_Row Canceling Edit , Grid View_Row Updating).

protected void gridviewrowupdatingobject sender gridviewupdateeventargs e-34protected void gridviewrowupdatingobject sender gridviewupdateeventargs e-59

Six of those paramaters basically comes from the Text Box values that were entered in the page. Invalid Cast Exception: Unable to cast object of type 'System. TDD- facilitates automated test-driven development (TDD). It manages the lifecycle of the object context per http request for web application and one per thread in non-web applications. Improve the code's maintainability and readability 5.Unit of Work Entity framework handles transaction across many operations over many different types.But in order to use multiple repository from the consuming application and able to synchronize multiple transaction across queries require a little bit of work, for instance, Repositoryand Repository, we would not able to run queries across both, as they would be created via different instances of Object Context.

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