The first, ItemNo. Also I set the grdOrderItems.Visible = false in the Activate method of the form, but it still shows up.

>What field name is not showing up?
>
>>For some unknown reason the first column is not showing up in the grid:
>>
>>

>> private void FormatOrderItemsGrid(OrderDetailsDS.OrderDetailsDataTable dt)
>>        {
>>            if (_gridStyleItem == null)
>>            {
>>                _gridStyleItem = new DataGridTableStyle();
>>                this.grdOrderItems.TableStyles.Add(_gridStyleItem);
>>                this.grdOrderItems.TableStyles[0].MappingName = dt.TableName;
>>                //this.Width = 220;
>>                //this.grdOrderItems.Width = 220;
>>
>>                //Order No column               
>>
>>                //Order Item Column
>>                DataGridCustomTextBoxColumn colManPartNo = new DataGridCustomTextBoxColumn();
>>                colManPartNo.Owner = this.grdOrderItems;
>>                colManPartNo.HeaderText = "Item No";
>>                colManPartNo.MappingName = "itemNo";
>>                colManPartNo.Width = ((this.grdOrderItems.Width * 20) / 100);
>>                colManPartNo.Alignment = HorizontalAlignment.Left;
>>
>>                // Unfortunately the Description column is not in OrderDetails table
>>                //Order Item Description
>>                DataGridCustomTextBoxColumn colDescription = new DataGridCustomTextBoxColumn();
>>                colDescription.Owner = this.grdOrderItems;
>>                colDescription.HeaderText = "Description";
>>                colDescription.MappingName = "Description";
>>                colDescription.Width = ((this.grdOrderItems.Width * 40) / 100);
>>                colDescription.Alignment = HorizontalAlignment.Left;
>>
>>                DataGridCustomTextBoxColumn colQuantity = new DataGridCustomTextBoxColumn();
>>                colQuantity.Owner = this.grdOrderItems;
>>                colQuantity.HeaderText = "Qty";
>>                colQuantity.MappingName = "Qty";
>>                colQuantity.Width = ((this.grdOrderItems.Width * 10) / 100);
>>                colQuantity.Alignment = HorizontalAlignment.Center;
>>                
>>                //Order Item Price
>>                DataGridCustomTextBoxColumn colPrice = new DataGridCustomTextBoxColumn();
>>                colPrice.Owner = this.grdOrderItems;
>>                colPrice.HeaderText = "Price";
>>                colPrice.MappingName = "Price";
>>                colPrice.Width = ((this.grdOrderItems.Width * 15) / 100);
>>                colPrice.Alignment = HorizontalAlignment.Right;
>>                // Setup table mapping name
>>
>>                //Order Item Total Price
>>                DataGridCustomTextBoxColumn colTotalPrice = new DataGridCustomTextBoxColumn();
>>                colTotalPrice.Owner = this.grdOrderItems;
>>                colTotalPrice.HeaderText = "Total";
>>                colTotalPrice.MappingName = "TotalPrice";
>>                colTotalPrice.Width = ((this.grdOrderItems.Width * 15) / 100);
>>                colTotalPrice.Alignment = HorizontalAlignment.Right;
>>
>>                // Setup table mapping name
>>                this.grdOrderItems.TableStyles[0].GridColumnStyles.Add(colManPartNo);
>>                this.grdOrderItems.TableStyles[0].GridColumnStyles.Add(colDescription);
>>                this.grdOrderItems.TableStyles[0].GridColumnStyles.Add(colQuantity);
>>                this.grdOrderItems.TableStyles[0].GridColumnStyles.Add(colPrice);
>>                this.grdOrderItems.TableStyles[0].GridColumnStyles.Add(colTotalPrice);
>>                this.grdOrderItems.RowHeadersVisible = false;
>>            }
>>            this.grdOrderItems.DataSource = dt;
>>            this.grdOrderItems.Refresh();
>>        }

>>
>>>Look at this in your code,
>>>
>>>You repeated colPrice in [//Order Item Total Price] part instead of colTotalPrice data grid view column.
>>>It seems you did a COPY - PATE
>>>
>>> //Order Item Price
>>> DataGridCustomTextBoxColumn colPrice = new DataGridCustomTextBoxColumn();
>>> colPrice.Owner = this.grdOrderItems;
>>> colPrice.HeaderText = "Price";
>>> colPrice.MappingName = "Price";
>>> colPrice.Width = ((this.grdOrderItems.Width * 24) / 100);
>>> colPrice.Alignment = HorizontalAlignment.Right;
>>> // Setup table mapping name
>>>
>>> //Order Item Total Price
>>> DataGridCustomTextBoxColumn colTotalPrice = new DataGridCustomTextBoxColumn();
>>> colPrice.Owner = this.grdOrderItems;
>>> colPrice.HeaderText = "Total";
>>> colPrice.MappingName = "TotalPrice";
>>> colPrice.Width = ((this.grdOrderItems.Width * 24) / 100);
>>> colPrice.Alignment = HorizontalAlignment.Right;