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  1. #1
    Join Date
    Mar 2009

    Question How to set borderstyle of a datagridview column at runtime (.Net Framework 4.0)?

    I have a readonly datagridview that is bound to a datasource. It has two columns. Now I want the first column to have no cell borderstyle; and the second one to have 'All' (i.e. all sides of the cell shall have a border) as cell borderstyle. Before binding the datagridview to the datasource, I'm writing something like mentioned below but it's taking no effect. Assume the column in question is named DisplayName.

    Dim newStyle As New DataGridViewAdvancedBorderStyle()
    With newStyle
    .Top = DataGridViewAdvancedCellBorderStyle.Single
    .Left = DataGridViewAdvancedCellBorderStyle.Single
    .Bottom = DataGridViewAdvancedCellBorderStyle.Single
    .Right = DataGridViewAdvancedCellBorderStyle.Single
    End With
    DisplayName.CellTemplate.AdjustCellBorderStyle(newStyle, newStyle, True, True, True, True)
    Please rectify or suggest a better way. Regards.

  2. #2
    Join Date
    Mar 2009

    Thumbs up

    Private Sub dgvLegends_CellPainting(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellPaintingEventArgs) Handles dgvLegends.CellPainting
            'Draw custom cell borders.
            'If current column is DisplayName...
            If dgvLegends.Columns("DisplayName").Index = e.ColumnIndex AndAlso e.RowIndex >= 0 Then
                    Dim Brush As New SolidBrush(dgvLegends.ColumnHeadersDefaultCellStyle.BackColor)
                    e.Graphics.FillRectangle(Brush, e.CellBounds)
                    e.Paint(e.CellBounds, DataGridViewPaintParts.All And Not DataGridViewPaintParts.ContentBackground)
                    ControlPaint.DrawBorder(e.Graphics, e.CellBounds, dgvLegends.GridColor, 1, ButtonBorderStyle.Solid, dgvLegends.GridColor, 1, ButtonBorderStyle.Solid, dgvLegends.GridColor, 1, ButtonBorderStyle.Solid, dgvLegends.GridColor, 1, ButtonBorderStyle.Solid)
                e.Handled = True
            End If
        End Sub

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