In Code Behind you have to do a bit of work though if you want to retrieve the proper context from a Data Item.Here's some code that needs to retrieve a Pk of one of the bound items and then perform some work on the data (in this case the business object): This seems like a lot of code to have to write just to retrieve data context.Many a times in our applications we use primary keys to get control of the particular record in the gridview. For this situation, many developers use invisible columns (Hidden columns) in the gridview to identify that row. I will be using Sql objects directly into methods to keep the example simple and straight forward.In practical scenario you should use your existing architecture to populate and update the data. Handle Update(Grid View Row row, Int32 row Index, Boolean causes Validation) 1210 System. Handle Event(Event Args e, Boolean causes Validation, String validation Group) 877 System.
I don't know about you, but I cringe every time I need to create a Grid View based layout that needs to create a few custom link handlers off that grid.The code first has to retrieve the Grid View Row, which is done by retrieving the Command Argument which in this case a row index of the rendered grid view items.Hi Guys, I have a data bound grid-view with action buttons for updating and deleting items in a users shopping cart. Here's the exception details: What makes it even more confusing is that (' ') is an empty string, I checked in my code and I don't even have any attributes with an empty string value, except for the header of an item template, which I don't think even matters really.
Here's the stack trace: [Invalid Operation Exception: A public method with the name '' was either not found or there were multiple methods with the same name on the type 'ASP.posworx_cart_aspx'.] System. On Bubble Event(Object source, Event Args e) 89 System.