private bool IsValidate()
        {
            if (Progress.Text.Trim() == string.Empty)
            {
                MessageBox.Show("Progress is Required.", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                Progress.Focus();
                return(false);
            }

            if (Conduct.Text.Trim() == string.Empty)
            {
                MessageBox.Show("Conduct is Required.", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                Conduct.Focus();
                return(false);
            }

            if (ReasonForLeaving.Text.Trim() == string.Empty)
            {
                MessageBox.Show("Reason for Leave is Required.", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                ReasonForLeaving.Focus();
                return(false);
            }

            if (Remark.Text.Trim() == string.Empty)
            {
                MessageBox.Show("Remark is Required.", "error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                Remark.Focus();
                return(false);
            }
            return(true);
        }