protected void ddlAllowance_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (ddlAllowance.SelectedValue == "-Select-")
            {
                txtcode.Focus();
                txtcode.Text        = string.Empty;
                txtDescription.Text = string.Empty;
                BtnSubmit.Visible   = true;
                BtnUpdate.Visible   = false;
            }

            try
            {
                if (ddlAllowance.SelectedValue != "-Select-")
                {
                    int             MainCode = Converter.GetInteger(ddlAllowance.SelectedValue);
                    A2ZALLOWANCEDTO getDTO   = (A2ZALLOWANCEDTO.GetInformation(MainCode));
                    if (getDTO.Code > 0)
                    {
                        txtcode.Text            = Converter.GetString(getDTO.Code);
                        txtDescription.Text     = Converter.GetString(getDTO.Description);
                        ddlStatus.SelectedValue = Converter.GetString(getDTO.Status);
                        BtnSubmit.Visible       = false;
                        BtnUpdate.Visible       = true;
                        txtDescription.Focus();
                    }
                    else
                    {
                        txtcode.Focus();
                        txtcode.Text        = string.Empty;
                        txtDescription.Text = string.Empty;
                        BtnSubmit.Visible   = true;
                        BtnUpdate.Visible   = false;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        protected void txtcode_TextChanged(object sender, EventArgs e)
        {
            try
            {
                if (ddlAllowance.SelectedValue == "-Select-")
                {
                    txtDescription.Focus();
                }


                if (txtcode.Text != string.Empty)
                {
                    int             MainCode = Converter.GetInteger(txtcode.Text);
                    A2ZALLOWANCEDTO getDTO   = (A2ZALLOWANCEDTO.GetInformation(MainCode));

                    if (getDTO.Code > 0)
                    {
                        txtcode.Text               = Converter.GetString(getDTO.Code);
                        txtDescription.Text        = Converter.GetString(getDTO.Description);
                        ddlStatus.SelectedValue    = Converter.GetString(getDTO.Status);
                        BtnSubmit.Visible          = false;
                        BtnUpdate.Visible          = true;
                        ddlAllowance.SelectedValue = Converter.GetString(getDTO.Code);
                        txtDescription.Focus();
                    }
                    else
                    {
                        txtDescription.Text = string.Empty;
                        BtnSubmit.Visible   = true;
                        BtnUpdate.Visible   = false;
                        txtDescription.Focus();
                    }
                }
            }
            catch (Exception ex)
            {
                Page.ClientScript.RegisterStartupScript(this.GetType(), "scriptkey", "<script>alert('System Error.txtcode_TextChanged Problem');</script>");
                throw ex;
            }
        }