30
               
           
      
    
      
            
                   
        
          　　　　　　　　　　
                         
                             
           
                          
                     
                
               
      
      
     

后台

protected void Page_Load(object sender, EventArgs e)        {            ScriptManager1.RegisterAsyncPostBackControl(btnSearch);//给按钮注册异步事件        }        protected void btnSearch_Click(object sender, EventArgs e)        {            string vehicleLic = this.tbVehicleLic.Text;            double timeSpan = Convert.ToDouble(this.tbTimeSpan.Text);            string lineID = "164,165,166,167";            MainBLL bll = new MainBLL();            var dt = bll.GetBusStatusByLineID(lineID, vehicleLic, timeSpan);            ReportDataSource ReportData = new ReportDataSource("DataSet1", dt);            ReportViewer1.LocalReport.DataSources.Clear();            ReportViewer1.LocalReport.DataSources.Add(ReportData);            //this.UpdatePanel1.Update();        }