DataSet ds = new DataSet();
DataTable dt = new DataTable();
OleDbDataAdapter da = new OleDbDataAdapter("select code as 编号,name as 商品名称,dw as 单位 from wl", conn);
da.Fill(ds);
dt = ds.Tables[0];
dataGridView1.DataSource = dt;
单击dataGridView1怎样将当前行的列显示到TEXTBOX中
Console.WriteLine(DataGridView1.CurrentCell.Value);
// 取得当前单元格的列 Index
Console.WriteLine(DataGridView1.CurrentCell.ColumnIndex);
// 取得当前单元格的行 Index
Console.WriteLine(DataGridView1.CurrentCell.RowIndex);