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We define a connection in the web.config file and give a name to the connection string.
Now we access this connection string on the page so we can open a connection with the relation database. The first one accesses the connection string and the other is for the SQL connection.
So we need to create a Stored Procedure on which we pass all parameters that are updateable along with the primary key value, in other words the row data's key value that is being updated.
I had a assignment I need to show only description and not ID. By using Datakeynames property you will get the selected row primary key.
A Grid View Update Event Args object is passed to the event-handling method, which enables you to determine the index of the current row and to indicate that the update operation should be canceled.
To cancel the update operation, set the collections, if necessary, before the values are passed to the data source.
Row move in edit mode We have a Grid View with records.
We can't update a record until that record doesn't exist in the input type field (Text Box).
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event is raised when a row's Update button is clicked, but before the Grid View control updates the row.