C# DataListCommandEventArgs类代码示例

 protected void dlCategory_ItemCommand(object source, DataListCommandEventArgs e)
 {
     if (e.CommandName == "select")
     {
         Response.Redirect("goodsList.aspx?id=" + e.CommandArgument);
     }
 }

    protected void dlCancellationDetails_UpdateCommand(object source, DataListCommandEventArgs e)
    {
        DataModel.AdminDM objDataModel = new DataModel.AdminDM();
        BusinessLogic.AdminBL objBusinessLogic = new BusinessLogic.AdminBL();

        TextBox txtCancel = (TextBox)e.Item.FindControl("txtCancellationPercentage");

        objDataModel._id=Convert.ToInt16( dlCancellationDetails.DataKeys[e.Item.ItemIndex]);
        objDataModel._cancellationPercent =Convert.ToInt16( txtCancel.Text.Trim());

        if (Convert.ToBoolean(objBusinessLogic.updateCancellationDetails(objDataModel)))
        {
            dlCancellationDetails.EditItemIndex = -1;
            dlCancellationDetails.DataBind();
            bindCancellationDetails();
            lblMessage.Text = "Updated Succesfully";
            lblMessage.ForeColor = System.Drawing.Color.Green;
            lblMessage.Visible = true;
        }
        else
        {
            lblMessage.Text = "cannot update cancellation Percent";
            lblMessage.ForeColor = System.Drawing.Color.Red;
            lblMessage.Visible = true;
        }
    }

    //update delete function to update and delete contacts
    protected void subUpDel(object sender, DataListCommandEventArgs e)
    {
        switch (e.CommandName)
        {
            case "Update":
                TextBox txtfname = (TextBox)e.Item.FindControl("txt_fnameU");
                //TextBox txtMessage = (TextBox)e.Item.FindControl("txt_messageU");
                TextBox txtlname = (TextBox)e.Item.FindControl("txt_lnameU");

                //DropDownList ddldept = (DropDownList)e.Item.FindControl("ddl_deptU");
                //ddldept.DataTextField = "ddl_deptU";
                //TextBox txtdept = (TextBox)e.Item.FindControl("txt_deptU");
                TextBox txtemail = (TextBox)e.Item.FindControl("txt_emailU");
                HiddenField hdfID = (HiddenField)e.Item.FindControl("hdf_idU");

                int contactID = int.Parse(hdfID.Value.ToString());
                _strMessage(objContact.commitUpdate(contactID, txtfname.Text, txtlname.Text,txtemail.Text), "update");
                _subRebind();
                break;
            case "Delete":
                int _id = int.Parse(((HiddenField)e.Item.FindControl("hdf_idD")).Value);
                _strMessage(objContact.commitDelete(_id), "delete");
                _subRebind();
                break;
            case "Cancel":
                _subRebind();
                      break;
                
        }
    }

 public void gridManage_ItemCommand(object sender, DataListCommandEventArgs e)
 {
     switch (e.CommandName)
     {
         case "Delete":
             {
                 int id = int.Parse(e.CommandArgument.ToString());
                 SessionManager.Delete<TransitAccountStoryPicture>(id, SessionManager.StoryService.DeleteAccountStoryPicture);
                 ReportInfo("Picture deleted.");
                 GetData(sender, e);
             }
             break;
         case "Right":
             {
                 int id = int.Parse(e.CommandArgument.ToString());
                 SessionManager.StoryService.MoveAccountStoryPicture(SessionManager.Ticket, id, 1);
                 if (e.Item.ItemIndex + 1 == gridManage.Items.Count && gridManage.CurrentPageIndex + 1 < gridManage.PagedDataSource.PageCount)
                     gridManage.CurrentPageIndex++;
                 SessionManager.InvalidateCache<TransitAccountStoryPicture>();
                 gridManage_OnGetDataSource(sender, e);
                 gridManage.DataBind();
             }
             break;
         case "Left":
             {
                 int id = int.Parse(e.CommandArgument.ToString());
                 SessionManager.StoryService.MoveAccountStoryPicture(SessionManager.Ticket, id, -1);
                 if (e.Item.ItemIndex == 0 && gridManage.CurrentPageIndex > 0) gridManage.CurrentPageIndex--;
                 SessionManager.InvalidateCache<TransitAccountStoryPicture>();
                 gridManage_OnGetDataSource(sender, e);
                 gridManage.DataBind();
             }
             break;
     }
 }

    EP ep = new EP(); //实例化一个对象

    #endregion Fields

    #region Methods

    protected void dlSoftIntro_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName == "Xiangxi")
        {
            Response.Redirect("list_softdownload.aspx");//将页面跳转到list_softdownload.aspx页面中
        }
    }

    protected void dlTourArea_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName == "Select")
        {
            Label lblLine = (Label)e.Item.FindControl("lblLine");

            if (!string.IsNullOrEmpty(lblLine.Text.Trim()))
            {
                string citys = lblLine.Text.Trim().Replace(@",", @";");

                string[] Citys = citys.Split(new char[] { ';' });

                List<string> listCity = new List<string>();

                for (int i = 0; i < Citys.Length; i++)
                {
                    listCity.Add(Citys[i]);
                }

                string city = listCity[0];

                Terms.Common.Domain.City City = m_CommonService.FindCityByCityCode(city);

                if (City != null)
                {
                    Label lblID = (Label)e.Item.FindControl("lblID");

                    Utility.TourCitys = listCity;
                    Utility.IsTourMain = true;
                    Utility.IsTourMore = true;

                    TourSearchCondition tourSearchCondition = new TourSearchCondition();

                    if (City.CountryCode == "US")
                    {
                        tourSearchCondition.Region = "U.S.";
                    }
                    else
                    {
                        tourSearchCondition.Region = City.CountryCode;
                    }
                    tourSearchCondition.Counrty = City.CountryCode ;
                    tourSearchCondition.CityList = listCity;
                    tourSearchCondition.City = city;
                    tourSearchCondition.DeptCity = city;
                    tourSearchCondition.IsLandOnly = true;
                    tourSearchCondition.PriceType = TERMS.Common.TourPriceType.All;
                    tourSearchCondition.TravelBeginDate = DateTime.Now.Date.AddDays(7);
                    tourSearchCondition.TravelDaysFrom = 1;
                    tourSearchCondition.TravelDaysTo = 800;
                    this.Transaction.IntKey = tourSearchCondition.GetHashCode();
                    this.Transaction.CurrentSearchConditions = tourSearchCondition;
                    this.Transaction.CurrentTransactionObject = new TERMS.Business.Centers.SalesCenter.TransactionObject();
                    //��¼Search More�¼�
                    OperaterAdvice.DoAdvice(Terms.Configuration.Utility.ConfigurationConst.OperateType.MV_SearchMoreTour, this);
                    this.Response.Redirect("~/Page/Common/Searching1.aspx?TourArea=" + Server.UrlEncode("U.S.") + "&ConditionID=" + Utility.Transaction.IntKey.ToString() + "&Type=More&target=~/Page/Tour/NewTourMoreSearchResultForm" + "&TopDestinations=" + lblID.Text);
                }
            }
        }
    }

 protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
 {
     string strid = this.DataList1.DataKeys[e.Item.ItemIndex].ToString(); //获取当前DataList控件列
     string strSql = "Delete from tb_Reply where ID='" + Convert.ToInt32(strid) + "'";
     dbObj.ExecNonQuery(dbObj.GetCommandStr(strSql));
     Page.Response.Redirect("LeaveWordView.aspx?ID=" + Request["ID"].ToString() + "");
 }

    protected void dlTourProduct_ItemCommand(object source, DataListCommandEventArgs e)
    {
        int index = 0;//e.Item.ItemIndex + PageNumber1.PageSize * PageNumber1.CurrentPageIndex;
        Label lkTourName = (Label)e.Item.FindControl("lblTourName");
        for (int i = 0; i < tourMerchandise.Items.Count; i++)
        {
            TourMaterial tm = (TourMaterial)tourMerchandise.Items[i];
            if (tm.Profile.Name.Equals(lkTourName.Text))
            {
                index = i;
                break;
            }
        }

         if (e.CommandName == "Select")
         {
             TourSearchCondition tourSearchCondition = (TourSearchCondition)Utility.Transaction.CurrentSearchConditions;
             tourSearchCondition.Counrty = ((Terms.Product.Business.MVTourProfile)((TourMaterial)tourMerchandise.Items[index]).Profile).StartCity.Country.Code;
             tourSearchCondition.City = ((Terms.Product.Business.MVTourProfile)((TourMaterial)tourMerchandise.Items[index]).Profile).StartCity.Code;
             tourSearchCondition.DeptCity = ((Terms.Product.Business.MVTourProfile)((TourMaterial)tourMerchandise.Items[index]).Profile).DefaultDepartureCity.Code;
             this.Transaction.IntKey = tourSearchCondition.GetHashCode();
             this.Transaction.CurrentSearchConditions = tourSearchCondition;
             this.Response.Redirect("TourSelectTourForm.aspx?ReturnURL=TourSearchResultForm.aspx");
         }
    }

 protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
 {
     SqlDataSource3.DeleteParameters["code"].DefaultValue = DataList1.DataKeys[e.Item.ItemIndex].ToString();
     SqlDataSource3.Delete();
     DataList1.DataBind();
     DropDownList2.DataBind();
 }

    protected void DlNewGoods_UpdateCommand(object source, DataListCommandEventArgs e)
    {
        //*** CategoryID ***//
        Label lblCateID = (Label)(e.Item.FindControl("lblCateID"));
        //*** Category ***//
        TextBox txtCategory = (TextBox)(e.Item.FindControl("txtCategory"));

        strSQL = "UPDATE category SET CategoryName = '" + txtCategory.Text + "' " +
            " WHERE CategoryID = " + lblCateID.Text + " ";
        objCmd = new MySqlCommand(strSQL, objConn);
        objCmd.ExecuteNonQuery();

        //*** If Select File Upload ***//
        HtmlInputFile filPicture = (HtmlInputFile)(e.Item.FindControl("filPicture"));
        String strFileName;
        if (filPicture.PostedFile.FileName != "")
        {
            strFileName = System.IO.Path.GetFileName(filPicture.Value);
            filPicture.PostedFile.SaveAs(Server.MapPath("images/" + strFileName));
            strSQL = "UPDATE category SET Picture = 'images/" + strFileName + "' " +
                " WHERE CategoryID = " + lblCateID.Text + " ";
            objCmd = new MySqlCommand(strSQL, objConn);
            objCmd.ExecuteNonQuery();
        }

        DlNewGoods.EditItemIndex = -1;
        BindData();
    }

    public void AddShopCart(DataListCommandEventArgs e, DataList DLName)
    {
        if (Session["UID"] != null)
        {
            SaveSubGoodsClass Goods = null;
            Goods = GetSubGoodsInformation(e, DLName);
            if (Goods == null)
            {
                //Show wrong information
                Response.Write("<script>alert('No useful data');</script>");
                return;
            }
            else
            {
                ucObj.AddShopCart(Goods.GoodsID, Goods.MemberPrice, Convert.ToInt32(Session["UID"].ToString()), Goods.GoodsWeight);
                Response.Write("<script>alert('Congratulations! Add Item Successfully!')</script>");

            }
        }
        else
        {
            Response.Write("<script>alert('Please Log in First!');</script>");

        }
    }

    EP ep = new EP(); //实例化对象

    #endregion Fields

    #region Methods

    protected void DlLeibie_UpdateCommand(object source, DataListCommandEventArgs e)
    {
        //声明一个string类型的变量id，并且将主键的值赋值给id
        string id = this.DlLeibie.DataKeys[e.Item.ItemIndex].ToString();
        //跳转到softleibie.aspx页面中，并将id的值传递到softleibie.aspx页面中去
        Response.Redirect("softleibie.aspx?id=" + id + "");
    }

    public void listPending_ItemCommand(object sender, DataListCommandEventArgs e)
    {
        switch (e.CommandName)
        {
            case "Accept":
                {
                    int id = int.Parse(e.CommandArgument.ToString());
                    SessionManager.SocialService.AcceptAccountFriendRequest(SessionManager.Ticket, id, inputReason.Text);
                    GetData(sender, e);
                    ReportInfo("Friend request accepted." +
                        (string.IsNullOrEmpty(inputReason.Text) ? string.Empty : " An e-mail was sent."));
                    break;
                }
            case "Reject":
                {
                    int id = int.Parse(e.CommandArgument.ToString());
                    SessionManager.SocialService.RejectAccountFriendRequest(SessionManager.Ticket, id, inputReason.Text);
                    GetData(sender, e);
                    ReportInfo("Friend request rejected." +
                        (string.IsNullOrEmpty(inputReason.Text) ? string.Empty : " An e-mail was sent."));
                    break;
                }
        }

        SessionManager.InvalidateCache<TransitAccountFriendRequest>();
    }

    protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
    {
        if (CartView.Table.Rows.Count > e.Item.ItemIndex)
            CartView.Table.Rows.RemoveAt(e.Item.ItemIndex);

        BindList();
    }

 protected void subUpDel(object sender, DataListCommandEventArgs e)
 {
     switch (e.CommandName)
     {
         case "Update":
             TextBox txtTitle = (TextBox)e.Item.FindControl("txt_titleU");
             TextBox txtLocation = (TextBox)e.Item.FindControl("txt_locationU");
             TextBox txtDate = (TextBox)e.Item.FindControl("txt_dateU");
             TextBox txtDepartment = (TextBox)e.Item.FindControl("txt_departmentU");
             TextBox txtShift = (TextBox)e.Item.FindControl("txt_shiftU");
             TextBox txtHours = (TextBox)e.Item.FindControl("txt_hoursU");
             TextBox txtDescription = (TextBox)e.Item.FindControl("txt_descriptionU");
             TextBox txtWage = (TextBox)e.Item.FindControl("txt_wageU");
             HiddenField hdfID = (HiddenField)e.Item.FindControl("hdf_id");
             int postID = int.Parse(hdfID.Value.ToString());
             _strMessage(objLinq.commitUpdate(postID, txtTitle.Text, txtLocation.Text, txtDate.Text, txtDepartment.Text, txtShift.Text, txtHours.Text, txtDescription.Text, decimal.Parse(txtWage.Text.ToString())), "update");
             _subRebind();
             break;
         case "Delete":
             int _id = int.Parse(((HiddenField)e.Item.FindControl("hdf_id")).Value);
             _strMessage(objLinq.commitDelete(_id), "delete");
             _subRebind();
             break;
         case "Cancel":
             _subRebind();
             break;
     }
 }