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private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)//双击datagridview单元格
{
this.dataGridView1.ReadOnly = false;
dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].ReadOnly = false;
da = new SqlDataAdapter("select * from table001", oper.getcon());
dt = new DataTable();
da.Fill(dt);
}
private void button4_Click(object sender, EventArgs e)//保存按钮
{
DataRow dr = dt.NewRow();
dt.Rows.Add(dr);
dr[1] = dataGridView1.CurrentRow.Cells[1].Value.ToString();
SqlCommandBuilder sqb = new SqlCommandBuilder(da);
da.Update(dt);