private void 添加学生信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
Form41 f = new Form41(this);
f.ShowDialog();
this.Close();
}
private void 修改学生信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
string a, b, c, d;
a = dataGridView1.SelectedCells[0].Value.ToString();
b = dataGridView1.SelectedCells[1].Value.ToString();
c = dataGridView1.SelectedCells[2].Value.ToString();
d = dataGridView1.SelectedCells[3].Value.ToString();
string[] str = { a, b, c, d };
Form41 f = new Form41(str, this);
f.ShowDialog();
}