//新增活动
private void Adddetection_btn_Click(object sender, RoutedEventArgs e)
{
if (dbUtill.QueryStudentCount() > 0)
{
AddActivityWin add = new AddActivityWin
{
WindowStartupLocation = WindowStartupLocation.CenterScreen
};
add.ShowDialog();
if (add.DialogResult == true)
{
Init();
ActivityId = "";
}
}
else
{
MessageBox.Show("暂无学生数据,请先导入数据再试", "提示");
}
}