Unfortunately these dictionaries are only filled out if you are bound to a datasource control :(.So that means when you bind to some raw collection and hook up to the Data Source property then call databind, if you try to handle the delete or update events these dictionaries are going to be empty.
The good news is you CAN do it(this is what this blog post is all about right? This is probably one of the worst things you can do. Select Command = New Ole Db Command("SELECT TOP 10 Order ID, Employee ID, Order Date, Ship Name FROM Orders", conn) Dim table As New Data Table() conn. Map Path("~/App_Data/Nwind.mdb") Dim conn As New Ole Db Connection(cnctn String) Dim adapter As New Ole Db Data Adapter() adapter. Forgive me for the variation in my code formatting I'm trying to find the right one.If we look at this event we can see the Grid View nicely packages for us the new values, old values and the keys for the updating row.aspdotnet-suresh offers C#articles and tutorials,csharp dot net,articles and tutorials, VB.
When using the second or third approach, you can refresh the grid content inside an Update Command event handler. Canceled = True Return End If 'Update new values Dim new Values As New Hashtable() e. Begin Edit() Try For Each entry As Dictionary Entry In new Values changed Rows(0)(Direct Cast(entry. Text = "Unable to locate the Order for updating." e. Extract Values From Item(new Values, edited Item) changed Rows(0). From the time you write code that depends on the immediate layout of your page then your asking for trouble.I often see people on the forums writing code like this: Find Control is a very powerful method on Control that allows you to search for a nested control, NOT synonymous to DOM function get Element By Id.I Often see people abusing find control and not understand that it is NOT recursive by default and complain when code like this Throws a null reference exception.