private void createGroupToolStripMenuItem_Click(object sender, EventArgs e)
{
Make_Group createGroup = new Make_Group();
this.Hide();
createGroup.Show();
}
private void picBxAddNew_Click(object sender, EventArgs e)
{
Make_Group make_group = new Make_Group();
this.Hide();
make_group.Show();
}
private void showStudentGroupsGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
selectedrow = showStudentGroupsGridView.CurrentCell.RowIndex;
DataGridViewRow row = showStudentGroupsGridView.Rows[selectedrow];
if (e.ColumnIndex == 4)
{
GeneralID.selectedObjectid = (int)row.Cells[0].Value;
Make_Group makeGroup = new Make_Group();
this.Hide();
makeGroup.Show();
}
else if (e.ColumnIndex == 5)
{
DialogResult dr = MessageBox.Show("Are you sure want remove this Student from Group", "Remove Student", MessageBoxButtons.OKCancel,
MessageBoxIcon.Question);
if (dr == DialogResult.OK)
{
string selectStudent = row.Cells[1].Value.ToString();
string deleteStudentQuery = string.Format("delete GroupStudent where StudentId=(select Id from Student where RegistrationNo='{0}')", selectStudent);
DataBaseConnection.getInstance().executeQuery(deleteStudentQuery);
//if group students delete then total group remove
int groupId = (int)row.Cells[0].Value;
string query = string.Format("select count(StudentId) from GroupStudent where GroupId='{0}'", groupId);
int countStudent = DataBaseConnection.getInstance().getRowsCount(query);
if (countStudent == 0)
{
string deleteGroupProject = string.Format("delete GroupProject where GroupId='{0}'", groupId);
DataBaseConnection.getInstance().executeQuery(deleteGroupProject);
string deleteGroupEvaluation = string.Format("delete GroupEvaluation where GroupId='{0}'", groupId);
DataBaseConnection.getInstance().executeQuery(deleteGroupEvaluation);
string deleteTotalGroup = string.Format("delete [Group] where Id='{0}'", groupId);
DataBaseConnection.getInstance().executeQuery(deleteTotalGroup);
MessageBox.Show("Total group remove as Group Empty");
}
MessageBox.Show("Student Remove Successfully");
this.load_data_in_gridview();
}
}
}
