private void 学生选课表Tile_Click(object sender, EventArgs e)
{
frmStuCou f = new frmStuCou();
//f.MdiParent = this;
f.Show();
f.Focus();
}
private void metroTile4_Click(object sender, EventArgs e)
{
try
{
if (Convert.ToDecimal(gradeTextBox.Text) < 0 || Convert.ToDecimal(gradeTextBox.Text) > 100)
{
DialogResult result = MessageBox.Show("对不起，输入成绩无效", "操作提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
frmStuCou f = new frmStuCou();
this.Close();
f = new frmStuCou();
f.Show();
f.Focus();
return;
}
ChangeEnabledState();
this.Validate();
this.stuCouBindingSource.EndEdit();
this.tableAdapterManager.UpdateAll(this.student_Manage_DB);
}
catch (Exception ex)
{
DialogResult result = MessageBox.Show("对不起，数据库中无此学号对应的学生/无对应的课程号/重复录入，请检查，添加失败", "操作提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
}
}