admin/guihuan.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

public partial class admin_guihuan : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            getdata();
        }
    }

    private void getdata()
    {
        //string sql;
        // sql = " DECLARE @hours int set @hours=(select feiyong from feiyong)";
        //sql += " select (DATEDIFF(HOUR , zulinshijian,GETDATE())+1) as shichang,(@hours*(DATEDIFF(HOUR , zulinshijian,GETDATE())+1)) as zongfeiyong ,yajin,";
        //sql += " (@hours*(DATEDIFF(HOUR , zulinshijian,GETDATE())+1)-yajin) as shijifeiyong,a.bianhao,mingcheng,a.xuehao,xingming,a.zulinshijian,a.id ";
        //sql += " FROM dbo.zulin a left join diandongche b on a.bianhao=b.bianhao left join xuesheng c on a.xuehao=c.xuehao where a.tuizushijian is null";

        string sql;
        sql = " select (DATEDIFF(HOUR , zulinshijian,GETDATE())+1) as shichang,(b.feiyong*(DATEDIFF(HOUR , zulinshijian,GETDATE())+1)) as zongfeiyong ,yajin,";
        sql += " (b.feiyong*(DATEDIFF(HOUR , zulinshijian,GETDATE())+1)-yajin) as shijifeiyong,a.bianhao,mingcheng,a.xuehao,xingming,a.zulinshijian,a.id,b.feiyong,b.leixing FROM dbo.zulin a ";
        sql += " left join (select m.*,n.feiyong from  diandongche m left join feiyong n on m.leixing=n.leixing) b on a.bianhao=b.bianhao left join xuesheng c on a.xuehao=c.xuehao where a.tuizushijian is null ";
        DataSet result = new DataSet();
        sqlConn conn = new sqlConn();
        result = conn.hsggetdata(sql);
        if (result != null)
        {

            if (result.Tables[0].Rows.Count > 0)
            {
                DataGrid1.DataSource = result.Tables[0];
                DataGrid1.DataBind();
                Label1.Text = "以上数据中共" + result.Tables[0].Rows.Count + "条";
            }
            else
            {
                DataGrid1.DataSource = null;
                DataGrid1.DataBind();
                Label1.Text = "以上数据中共0条";
            }
        }
    }
    protected void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        DataGrid1.CurrentPageIndex = e.NewPageIndex;
        getdata();
    }
}