private void stUpdateButton_Click(object sender, EventArgs e)
        {
            addStudentObj = new AddStudentClass();

            addStudentObj.StudentId       = stIdTextBox.Text;
            addStudentObj.StudentName     = stNameTextBox.Text;
            addStudentObj.StudentDept     = stDeptComboBox.Text;
            addStudentObj.StudentYear     = stYearComboBox.Text;
            addStudentObj.StudentSemester = stSemesterComboBox.Text;
            addStudentObj.StudentMobile   = stMobileTextBox.Text;
            addStudentObj.StudentEmail    = stEmailTextBox.Text;
            addStudentObj.StudentPassword = stPassTextBox.Text;

            if (ob.UpdateStudentInfoTable(addStudentObj) == stIdTextBox.Text)
            {
                MessageBox.Show("Information Updated Successfully!");
                ViewStudentProfile_Reset();
            }
            else
            {
                MessageBox.Show("Could not Update !");
            }
        }