protected void btnDelete_Click(object sender, EventArgs e)
{
site = new DBSite();
StudentBll stBll = new StudentBll();
List <string> student_id_list = new List <string>();
try
{
foreach (GridViewRow gr in gridView1.Rows)
{
CheckBox cb = (CheckBox)gr.Cells[0].FindControl("myCheckBox");
if (cb.Checked)
{
//if (stBll.IsStudentPresentInAttendance(site, util.CheckNullInt(gr.Cells[2].Text)))
//{
// lblError.Text = "Can't Delete Record:'" + gr.Cells[4].Text + "' This Student is being entered in Attendance Entry.";
// lblError.Visible = true;
// ClearSuccessMessage();
// return;
//}
student_id_list.Add(gr.Cells[3].Text);
}
}
if (student_id_list.Count < 1)
{
lblError.Text = "Can't Delete Records. Select at least one Record ";
lblError.Visible = true;
ClearSuccessMessage();
return;
}
string st_ids = util.ConvertListToCommaSeparatedString(student_id_list);
site.BeginTrans();
stBll.DeleteStudent(site, st_ids);
site.Commit();
lblMessage.Text = " [ " + student_id_list.Count + "] Record Deleted ";
lblMessage.Visible = true;
ClearErrorMessage();
}
catch (Exception del_exception)
{
site.RollBack();
util.HandleExpception(del_exception, Response);
}
finally
{
site.Close();
}
GetStudents();
}
public void DeleteStudent(Student student)
{
_studentBll.DeleteStudent(student);
UpdateForm();
}
/// <summary>
/// 删除学生的方法
/// </summary>
/// <param name="studentNo"></param>
/// <returns></returns>
public ActionResult DeleteStudent(string studentNo)
{
int count = sb.DeleteStudent(studentNo);
return(Content(count.ToString()));
}
