Row cannot be located for updating visual basic
For more information about suspending events, see Turn off constraints while filling a dataset.When you update a record in a dataset, there is the possibility of an error.When you data bind dataset tables to controls on a Windows Form or XAML page, the data binding architecture does all the work for you.If you're familiar with Table Adapters, you can jump directly to one of these topics: Updating a data source is a two-step process.In this situation, the Enforce Constraints property is set to .After you complete an update, you can re-enable constraint checking, which also re-enables update events and raises them.You can prevent a concurrency violation by filling another dataset with the updated records from the data source and then performing a merge to prevent a concurrency violation.
Or, you might have application-specific validation checks that can raise custom errors during any stage of an update event.
The following table details the possible values of the Data Row State enumeration: The row has been created but is not part of any Data Row Collection.
A Data Row object is in this state immediately after it has been created, before it has been added to a collection, and after it has been removed from a collection. The Data Row Version fields are used when retrieving the value found in a Data Row using the Item[String, Data Row Version] property or the Get Child Rows method of the Data Row object.
The following table details the possible values of the Data Row Version enumeration: The current version of a record contains all modifications that have been performed on the record since the last time Accept Changes was called.
If the row has been deleted, there is no current version.