private void call_info(string Form_name, string code)
        {
            Class.DanhMuc_ChiNhanh dm = new Class.DanhMuc_ChiNhanh();
            DataTable dt = dm.GetBranchByCode(code);

            txtBranchCode.Text     = dt.Rows[0]["BranchCode"].ToString();
            txtBranchName.Text     = dt.Rows[0]["BranchName"].ToString();
            txtAddress.Text        = dt.Rows[0]["Address"].ToString();
            txtPhone.Text          = dt.Rows[0]["Phone"].ToString();
            txtFax.Text            = dt.Rows[0]["Fax"].ToString();
            txtMinimumSalary.Value = (decimal)dt.Rows[0]["MinimumSalary"];
            txtPersonName.Text     = dt.Rows[0]["PersonName"].ToString();
            txtQuantity.Text       = dt.Rows[0]["Quantity"].ToString();
            txtFactQuantity.Text   = dt.Rows[0]["FactQuantity"].ToString();
            txtDescription.Text    = dt.Rows[0]["Description"].ToString();
        }