protected void delete(object sender, GridViewDeleteEventArgs e)
        {
            CPT_GradeMaster gradedetails = new CPT_GradeMaster();
            int             id           = int.Parse(gvGrade.DataKeys[e.RowIndex].Value.ToString());

            gradedetails.GradeID = id;

            GradeMasterBL deleteGrade = new GradeMasterBL();

            deleteGrade.Delete(gradedetails);
            BindGrid();
        }
        protected void GradeAddButton_Click(object sender, EventArgs e)
        {
            try
            {
                CPT_GradeMaster gradedetails = new CPT_GradeMaster();
                gradedetails.Grade    = GradeNameTextBox.Text;
                gradedetails.IsActive = true;

                GradeMasterBL insertGrade = new GradeMasterBL();
                insertGrade.Insert(gradedetails);
                BindGrid();
                CleartextBoxes(this);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }