Likewise, the parameter values in the Astute readers will notice the similarity between the Access Data Source and Sql Data Source controls' inserting, deleting, and updating workflows.Regardless of what workflow is initiated, they all follow the same six steps: the firing of the appropriate pre-action event (, in the case of the updating workflow).Is it possible to use a variable as an update parameter in asp.net?
NET Grid has a number of properties for executing client-side events.
See the Client-Side Events tutorial and the Events documentation.
For this you can easily create a protected method and use databind to display the username in the txt User Name Text Box.
But, now the question is that how will you update the username or send the username to the database.
You cannot use Control Parameter since the name of the Text Box for each Grid View row is different.