private List <Survey> GetSurveyList() { SurveyDAL dal = new SurveyDAL(); var result = dal.SearchSurvey(txtSurveyNo.Text, Utility.GetSelectedText(ddlSurveyMan), Utility.GetSelectedText(ddlEnqOrdMan), Utility.GetSelectedText(ddlSurveyStatus), !string.IsNullOrEmpty(txtBeginDate.Text) ? DateTime.Parse(txtBeginDate.Text) : DateTime.MinValue, !string.IsNullOrEmpty(txtEndDate.Text) ? DateTime.Parse(txtEndDate.Text) : DateTime.MaxValue, Utility.GetSelectedText(ddlCompany), Utility.GetSelectedText(ddlContact), txtEmail.Text, txtPhone.Text, txtQQ.Text); return(result); }