RE:Añadir columna en datagrid
Dscategorias1.Clear()
OleDbDataAdapter1.Fill(Dscategorias1)
DG1.DataSource = Dscategorias1
DG1.TableStyles.AddRange(New System.Windows.Forms.DataGridTableStyle() {DGTS1})
DGTS1.dataGrid = DG1
DGTS1.GridColumnStyles.AddRange(New System.Windows.Forms.DataGridColumnStyle() {DGTC1, DGTC2, DGTC3})
DGTS1.HeaderForeColor = System.Drawing.SystemColors.ControlText
DGTS1.MappingName = "Pedidos" '"categorías"
'
'DataGridTextBoxColumn1
DGTC1.Format = ""
DGTC1.FormatInfo = Nothing
DGTC1.HeaderText = "Codigo"
DGTC1.MappingName = "IdPedido"
DGTC1.Width = 75
'