//Showing Assessment Components From database in DataGridView
        private void metroButton2_Click(object sender, EventArgs e)
        {
            using (SqlConnection con = new SqlConnection(constr))
            {
                using (SqlCommand cmd = new SqlCommand("SELECT * FROM dbo.AssessmentComponent", con))
                {
                    cmd.CommandType = CommandType.Text;
                    using (SqlDataAdapter sda = new SqlDataAdapter(cmd))
                    {
                        using (DataTable dt = new DataTable())
                        {
                            sda.Fill(dt);
                            ListOfAddedAssessmentComponentDataGridView.DataSource = dt;
                        }
                    }
                }
            }

            ListOfAddedAssessmentComponentDataGridView.Show();

            lblTitle.Hide();
            txtTitle.Hide();
            lblDateCreated.Hide();
            dtpDateCreated.Hide();
            lblTotalMarks.Hide();
            txtTotalMarks.Hide();
            lblTotalWeightage.Hide();
            txtTotalWeightage.Hide();
            btnADD.Hide();

            ListOfAddedAssessmentsDataGridView.Hide();


            lblName.Hide();
            txtName.Hide();
            lblRubricDetails.Hide();
            cmboboxRubricDetails.Hide();
            lblAssessments.Hide();
            combboxListOfAssessment.Hide();
            lblTotalMarksAC.Hide();
            txtTotalMarksAC.Hide();
            lblDateCreatedAC.Hide();
            dtpDateCreatedAC.Hide();
            btnADDComponent.Hide();
        }