//删除学生签到记录
private void toolStripButton8_Click(object sender, EventArgs e)
{
int id;
try
{
id = Convert.ToInt32(dataGridView3.CurrentRow.Cells[0].Value);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
if (MessageBox.Show("确定要删除吗？", "询问", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) != DialogResult.Yes)
{
return;
}
if (SignManager.DeleteSignUpRecord(id))
{
MessageBox.Show("删除成功！");
}
else
{
MessageBox.Show("删除失败！");
}
RefreshClassTable();
}