private void Page_Load(object sender, System.EventArgs e)
        {
            // 在此处放置用户代码以初始化页面
            if (Session["Login"] == null)
            {
                Response.Redirect("../Exit.aspx");
                return;
            }

            string    strPoID = Request.QueryString["POID"];
            Hashtable htapp   = (Hashtable)Application["appconf"];
            string    strcons = (string)htapp["cons"];

            StoBusi = new BusiComm.StorageBusi(strcons);

            if (!IsPostBack)
            {
                if (strPoID == "" || strPoID == null)
                {
                    this.btAdd.Enabled = true;
                    this.btMod.Enabled = false;
                    this.FillDropDownList("Provider", this.ddlProvider);
                    this.txtPoID.Enabled   = false;
                    this.btChState.Visible = false;
                    string strCycle = DateTime.Today.Year.ToString();
                    if (DateTime.Today.Month < 10)
                    {
                        strCycle += "0" + DateTime.Today.Month.ToString();
                    }
                    else
                    {
                        strCycle += DateTime.Today.Month.ToString();
                    }
                    this.txtPoID.Text = "POS" + strCycle + "----";
                    string strNextCycle = DateTime.Today.AddMonths(1).Year.ToString();
                    if (DateTime.Today.AddMonths(1).Month < 10)
                    {
                        strNextCycle += "0" + DateTime.Today.AddMonths(1).Month.ToString();
                    }
                    else
                    {
                        strNextCycle += DateTime.Today.AddMonths(1).Month.ToString();
                    }
                    this.txtPlanCycle.Text = strNextCycle;
                }
                else
                {
                    this.btAdd.Enabled = false;
                    this.btMod.Enabled = true;
                    this.FillDropDownList("Provider", this.ddlProvider);
                    CMSMStruct.PoStockMainStruct psm1 = StoBusi.GetPoStockMainOne(strPoID);
                    this.txtPoID.Text = psm1.strPoID;
                    this.ddlProvider.SelectedIndex = this.ddlProvider.Items.IndexOf(this.ddlProvider.Items.FindByValue(psm1.strPrvdCode));
                    this.txtPlanCycle.Text         = psm1.strPlanCycle;
                    this.txtAddress.Text           = psm1.strAddress;
                    this.txtComments.Text          = psm1.strComments;
                    Session["psmold"]        = psm1;
                    this.txtPoID.Enabled     = false;
                    this.ddlProvider.Enabled = false;
                    switch (psm1.strPoState)
                    {
                    case "0":
                        this.btChState.Text = "执行";
                        break;

                    case "1":
                        this.txtPlanCycle.Enabled = false;
                        this.txtAddress.Enabled   = false;
                        this.txtComments.Enabled  = false;
                        this.btMod.Enabled        = false;
                        this.btChState.Text       = "完成";
                        break;

                    case "2":
                        this.txtPlanCycle.Enabled = false;
                        this.txtAddress.Enabled   = false;
                        this.txtComments.Enabled  = false;
                        this.btMod.Enabled        = false;
                        this.btChState.Visible    = false;
                        break;
                    }
                }
            }
        }