Update selected row in datagridview

I want to have a button onces clicked up date a selected row field in my datagridview to either check a checkbox or set the field to lets say complete.

I tried using the following but I get a error. ( I am totally guessing here on this line of code! I bet that is why it does work LOL.)
Kb_cartDataGridView.CurrentRow.Selected = "status='" & True & "'"

Error:
Conversion from string "status='True'" to type 'Boolean' is not valid.

Thanks

Richard

Okay I figured out that:
Kb_cartDataGridView.CurrentRow.Selected = "status='" & True & "'"

Is not what I wanted... as it seems this code is to select the entire row.. and I had it wrote wrong.
Kb_cartDataGridView.CurrentRow.Selected = True

So now I have the whole row highlighted how do I update complete field to completed?

The MSDN documentation says of the DataGridViewRow.Selected property:

Quote:

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Gets or sets a value indicating whether the row is selected.

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Is that actually what you want to do, set whether the row is selected or not? Obviously not, as you say that you want to set the value of a field in that row.

A quick look at the MSDN help topic for the DataGridViewRow member listing shows the Cells property, described thusly:

Quote:

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Gets the collection of cells that populate the row.

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Hmmm... that sounds like it might be useful, given that you want to set the value of a cell in that row.

Clicking on the property name, which is a link, takes us to the Help topic for that property. It has an Example section that says this:

Quote:

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The following code example uses the Cells property to set the value of a cell in the row. This code example is part of a larger code example provided in How to: Manipulate Rows in the Windows Forms DataGridView Control.

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and provides this code example:

Code:

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' Give cheescake excellent rating.
Private Sub Button8_Click(ByVal sender As Object, _
    ByVal e As System.EventArgs) Handles Button8.Click

    UpdateStars(dataGridView.Rows(4), "******************")
End Sub

Private ratingColumn As Integer = 3

Private Sub UpdateStars(ByVal row As DataGridViewRow, _
    ByVal stars As String)

    row.Cells(ratingColumn).Value = stars

    ' Resize the column width to account for the new value.
    row.DataGridView.AutoResizeColumn(ratingColumn, _
        DataGridViewAutoSizeColumnMode.DisplayedCells)

End Sub

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Who would have thought the Help could be so helpful? Perhaps it could even help someone without a comprehensive understanding of VB to gain that understanding. It might even help them learn things that they weren't even looking for.