private void btnEdit_Click(object sender, EventArgs e)
{
if (studentInfoDGV.CurrentRow == null) return;
int cr = studentInfoDGV.CurrentRow.Index;
if (cr <= -1) { return; }
changeBtnEnable(false);
studentInfoDGV.Visible = false;
studentInfoGroup.Text = "修改学生";
Student st = new Student(dt.Rows[cr][1].ToString(), dt.Rows[cr][2].ToString(), dt.Rows[cr][3].ToString(),
dt.Rows[cr][4].ToString(), dt.Rows[cr][5].ToString(), dt.Rows[cr][6].ToString());
stuEdit = new StudentEdit(st);
stuEdit.Disposed += new EventHandler(stuOperation_Disposed);
studentInfoGroup.Controls.Add(stuEdit);
stuEdit.Dock = DockStyle.Fill;
}
public StudentManage()
{
InitializeComponent();
stuAdd = null;
stuEdit = null;
stuFind = null;
}