如何刪除列標題以外的所有datagridview行?如何刪除表單加載上的所有DataGridView行?
我想:
dataGridView1.Rows.clear();
,但它不工作。
我試圖遍歷所有的行,並使用RemoveAt
方法,但它不會刪除所有行:
private void Form5_Load(object sender, EventArgs e)
{
dataGridView1.AutoGenerateColumns = true;
SqlConnection con = new SqlConnection(@"Data Source=.\myserver;Initial Catalog=test;Integrated Security=True");
adapter = new SqlDataAdapter("SELECT id as [#], description as [Description], unit as [Unit], amount as [Amount], unitPrice as [Unit Price], total as [Total] FROM tbl_poMaterials", con);
adapter.SelectCommand.CommandType = CommandType.Text;
DataTable tb = new DataTable();
adapter.Fill(tb);
SqlCommandBuilder builder = new SqlCommandBuilder(adapter);
dataGridView1.DataSource = tb;
dataGridView1.Columns[0].Width = 30;
dataGridView1.Columns[0].ReadOnly = true;
dataGridView1.Columns[1].Width = 660;
for (int i = 0; i < tb.Rows.Count; i++)
{
tb.Rows.RemoveAt(i);
}
}
定義「但它不起作用」,會發生什麼? – 2012-01-08 07:51:19
(DataGridView.Clear()](http://stackoverflow.com/questions/3744882/datagridview-clear) – 2016-06-13 17:02:13