1. 填入(通常從資料庫)Dataset的值後，先新增mySeq欄到此Dataset :
if (!myDataset.Tables["myTable"].Columns.Contains("mySeq"))
myDataset.Tables["myTable"].Columns.Add("mySeq", typeof(int));
2. Datagridview指定DataSource和 DataMember :
dataGridView1.DataSource = myDataset;
dataGridView1.DataMember = "myTable";
3. Datagridview的RowPostPaint Event 新增以下 :
private voiddataGridView1_RowPostPaint(object sender,DataGridViewRowPostPaintEventArgs e)
{
if((dataGridView1.Rows[e.RowIndex].Cells["mySeq"].Value).ToString()...