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I want to display all the duplicate data in this gridview. But, i dont have any idea on how it works. What i have tried seem not working at all. Mind to share any ideas?

What I have tried:

Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        Dim cn As String = 
        Using cs As New SqlConnection(cn)
        Using cmd As New SqlCommand("SELECT xxxxx, COUNT(*) FROM vvvvv GROUP BY xxxxx HAVING COUNT(*) > 1", cs)
                Using sda As New SqlDataAdapter(cmd)
                    Dim dt As New DataTable()
                    rptTableUser3.DataSource = dt
                End Using
            End Using
        End Using

    End Sub
Maciej Los 21-Oct-20 3:15am
What's wrong with your code?
syuhaiba hamizi 21-Oct-20 4:04am
im getting error (( DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'id'. )) 'id' is my primary key. How am i gonna solve this error?
Maciej Los 21-Oct-20 4:19am
Based on the small portion of information you provided - i have no idea how to help you.
Gerry Schmitz 21-Oct-20 16:28pm
You use your "counting" query to drive another select for the duplicates (join or in).
syuhaiba hamizi 21-Oct-20 23:13pm
can you give some example?

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