VS C# 2008 Formats

I have been trying serveral formats and I have two issues I cannot resolve.
One is on the text fields Part Number, Part Description and Vendor ID. If you look at the right side of the fields it puts 3 periods. Is there anyway, besides making the columns overly wide to prevent this? Secondly, the column for QTY I am trying to get to display with zero decimal places. The field in SQL is defined as decimal(19,5). Is there any way with just a format parameter to have it display with no decial places? This fields are sitting on a datagridview control.

dgvOrderDetail.ReadOnly = true;
            dgvOrderDetail.RowHeadersVisible = false;
            dgvOrderDetail.DataSource = GPDataSet.Tables["OrderDetail"].DefaultView;
            dgvOrderDetail.Columns[0].Width = 110;
            dgvOrderDetail.Columns[0].HeaderText = "Part Number";

            dgvOrderDetail.Columns[1].Width = 200;
            dgvOrderDetail.Columns[1].HeaderText = "Part Description";

            dgvOrderDetail.Columns[2].Width = 60;
            dgvOrderDetail.Columns[2].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[3].DefaultCellStyle.Format = "{0:0.#}"; 
            dgvOrderDetail.Columns[2].HeaderText = "QTY";

            dgvOrderDetail.Columns[3].Width = 60;
            dgvOrderDetail.Columns[3].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[3].DefaultCellStyle.Format = "c";
            dgvOrderDetail.Columns[3].HeaderText = "Unit Price";

            dgvOrderDetail.Columns[4].Width = 60;
            dgvOrderDetail.Columns[4].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[4].DefaultCellStyle.Format = "c";
            dgvOrderDetail.Columns[4].HeaderText = "Extended Price";

            dgvOrderDetail.Columns[5].Width = 70;
            dgvOrderDetail.Columns[5].HeaderText = "PO Number";

            dgvOrderDetail.Columns[6].Width = 60;
            dgvOrderDetail.Columns[6].HeaderText = "Vendor ID";

            dgvOrderDetail.Columns[7].Width = 60;
            dgvOrderDetail.Columns[7].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[7].DefaultCellStyle.Format = "c";
            dgvOrderDetail.Columns[7].HeaderText = "Unit Cost";

            dgvOrderDetail.Columns[8].Width = 60;
            dgvOrderDetail.Columns[8].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[8].DefaultCellStyle.Format = "c";
            dgvOrderDetail.Columns[8].HeaderText = "Extended Cost";

            dgvOrderDetail.Columns[9].Width = 60;
            dgvOrderDetail.Columns[9].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dgvOrderDetail.Columns[9].DefaultCellStyle.Format = "p2";
            dgvOrderDetail.Columns[9].HeaderText = "Profit Margin";

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