Doing Objects With Visual Basic 2005 Sample Project?
Apr 7, 2010
I am hoping that somebody here is familiar with the book, "Doing Objects with Visual Basic 2005" so this question makes more sense but I will try and ask it in a way that makes knowledge of the book irrelevant.The book contains a sample project that I am trying to use as a "framework" for all my new projects. The project shows you how to read and edit objects to and from a database and that part works great. The author then leaves the new and deletes up to the reader to do, which is a good way to learn. However I am having trouble with the it. My problem is that I am having trouble implementing my own ProcessNew InterfaceI think this is how it should be:
Public Function ProcessNew() As Boolean Implements IMDIChild.ProcessNew
Dim myGoal As Goal = TryCast(GoalBindingSource.AddNew, Goal)
myGoal.Goal = rtxtGoals.Text
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Public Class Form1 Dim gridHeight Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
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Quote:
'UPGRADE_WARNING: Structure PROCESS_INFORMATION may require marshalling attributes to be passed as an argument in this Declare statement. Click for more: 'ms-help://MS.VSCC.v90/dv_commoner/local/redirect.htm?keyword="C429C3A5-5D47-4CD9-8F51-74A1616405DC"' 'UPGRADE_WARNING: Structure STARTUPINFO may require marshalling attributes to be passed as an argument in this Declare statement. Click for more: 'ms-help://MS.VSCC.v90/dv_commoner/local/redirect.htm?keyword="C429C3A5-5D47-4CD9-8F51-74A1616405DC"'
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I am hoping that someone from the forum is familiar with the Doing Objects in Visual Basic 2005 book so that this question makes a little more sense. I have completed the sample project and understand most of what I have done. There are some holes in my knowledge but I am sure I will pick up those pieces as I become more familiar with object orientated programming.
The sample project is an almost complete application where you view and edit Objects that are stored in a database. The author leaves the remaining features needed up to the reader, which is great because I have been able to put new knowledge into use. However I am having trouble saving a new object back to the database.
[Code]...
By looking at this code it appears that I can save the data that is in the bindingsource by changing the EntityState to the Enum added. However I am not sure where to set it. I am pretty confident that I have the rest of this correct because when I try to do the save I get an error that the stored procedure is expecting the GoalID.
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