Get Data From DataGridView SelectedRowsDataGridViewSelectedRowsCollection |   | How do I get a collection of selected rows in a DataGridView? Sometimes the simpliest things can appear to be complex and consume an inordinate amount of time to figure out.
I found this to be the case when I wanted to pass a List of transaction identifiers which were contained in a DataGridView. Searching the internet did not seem to yeild an immediate answer, so after about ten minutes I figured out the following linese of code to get the ids.
Private Function GetSelectedRowCollection() As List(Of String)
If dgTxActions.SelectedRows.Count > 0 Then
Dim drc As DataGridViewSelectedRowCollection = dgTxActions.SelectedRows
Dim ids As New List(Of String)
For i As Integer = 0 To drc.Count - 1
Dim id As Integer = drc(i).Cells(0).Value
ids.Add(id.ToString)
Next
Return ids
Else
Return Nothing
End If
End Function
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The key is the use of the DataGridViewSelectedRowCollection. I had tried several different collection types to which I could not cast the SelectedRows and finally stumbled on the DataGridViewSelectedRowCollection. Since casting the SelectedRows was my hangup, having found the proper collection type, the rest was simple.
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