private void 添加学生信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
admin_1 admin_1 = new admin_1();
admin_1.ShowDialog();
dataGridView1.Rows.Clear();
Table();
}
private void 修改学生信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
string[] str = { dataGridView1.SelectedCells[0].Value.ToString(), dataGridView1.SelectedCells[1].Value.ToString(), dataGridView1.SelectedCells[2].Value.ToString(),
dataGridView1.SelectedCells[3].Value.ToString() };
admin_1 admin_1 = new admin_1(str);
admin_1.ShowDialog();
dataGridView1.Rows.Clear();
Table();
}