LINQ NotImplementedException

EDN Admin · Sep 25, 2008

I am working my way through the book Build a Program Now Visual C# 2008 Express Edition by Patrice Pelland. I am in Chapter 8 which is a small database application and Im stuck in trying to get the code below to work. Both search button click events cause a NotImplementedException in the last line of the click code. I have searched diligently in forums, MSDN, Google, etc. and cant find anything that helps. Thank you for your help!

private void fillByMakeToolStripButton_Click(object sender, EventArgs e)
{
var filterByMake = from Listing in this.carTrackerDataSet.Listing
join Make in this.carTrackerDataSet.Make
on Listing.MakeID equals Make.MakeID
where (Make.MakeName.ToLower().Contains(makeToolStripTextBox.Text.ToLower()))
select Listing;
this.listingBindingSource.DataSource = filterByMake;
}
private void fillByCarTypeToolStripButton_Click(object sender, EventArgs e)
{
var filterByCarType = from Listing in this.carTrackerDataSet.Listing
join CarType in this.carTrackerDataSet.CarType
on Listing.CarTypeID equals CarType.CarTypeID
where (CarType.CarTypeName.ToLower().Contains(cartypeToolStripTextBox.Text.ToLower()))
select Listing;
this.listingBindingSource.DataSource = filterByCarType;

{ 

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LINQ NotImplementedException

EDN Admin

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