tj/z_out.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class tj_z_out : System.Web.UI.Page
{
    DataBase db = new DataBase();
    String sql = "";
    public float total;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["ano"] == null)
            {
                Response.Write("<script> javascript:alert('请先登录！'); </script>");
                Response.Redirect("../login.aspx");
            }
            else
            {
                sql = "select * from mout,yp,ck,dw where mout.yno=yp.yno and mout.cno=ck.cno and mout.dno=dw.dno";
                getdata(sql);
            }
        }
    }
    private void getdata(string sql)
    {
        DataSet result = db.Getdata(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                GridView1.DataSource = result.Tables[0];
                GridView1.DataKeyNames = new string[] { "id" };
                GridView1.DataBind();
                gettotal();
            }
            else
            {
                Response.Write("<script> javascript:alert('没有相关记录'); </script>");
                GridView1.DataSource = result.Tables[0];
                GridView1.DataKeyNames = new string[] { "id" };
                GridView1.DataBind();
                Label2.Text = "0元";
            }
        }
    }
    private void gettotal()
    {
        for (int i = 0; i < GridView1.Rows.Count; i++)
            total = total + float.Parse(GridView1.Rows[i].Cells[6].Text.ToString());
        Label2.Text = "" + total + "元";
    }