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  • net8:XML的读写操作【广告控件的XML文件实例】

    原文发布时间为:2008-08-05 —— 来源于本人的百度文章 [由搬家工具导入]

    【用了datalist控件,datalist控件自己学会,主要知道其他按钮COMMANDNAME属性应该改为edit,update,delete】

    using System;
    using System.Data;
    using System.Configuration;
    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;

    using System.Xml;
    using System.Xml.XPath;

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

        }

        protected void fill()
        {
            DataSet ds=new DataSet();
            ds.ReadXml(Server.MapPath("~/App_Data/ad.xml"));
            DataList1.DataSource=ds.Tables[0].DefaultView;
            DataList1.DataBind();

            Session["dst"]=ds;
        }

        protected void Button1_Click(object sender, EventArgs e)
        {

        }
        protected void DataList1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
        protected void DataList1_EditCommand(object source, DataListCommandEventArgs e)
        {
            DataList1.EditItemIndex = e.Item.ItemIndex;
            fill();
        }
        protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
        {
            DataSet ds = (DataSet)Session["dst"];
            ds.Tables[0].Rows[e.Item.ItemIndex]["ImageUrl"] = ((TextBox)e.Item.FindControl("TextBox2")).Text.ToString();
            ds.Tables[0].Rows[e.Item.ItemIndex]["NavigateUrl"] = ((TextBox)e.Item.FindControl("TextBox5")).Text.ToString();
            ds.Tables[0].Rows[e.Item.ItemIndex]["AlternateText"] = ((TextBox)e.Item.FindControl("TextBox1")).Text.ToString();
            ds.Tables[0].Rows[e.Item.ItemIndex]["Keyword"] = ((TextBox)e.Item.FindControl("TextBox3")).Text.ToString();
            ds.Tables[0].Rows[e.Item.ItemIndex]["Impressions"] = ((TextBox)e.Item.FindControl("TextBox4")).Text.ToString();

            Session["dst"] = ds;
           ds.WriteXml(Server.MapPath("~/App_Data/ad.xml"));

            DataList1.EditItemIndex=-1;
            fill();
        }
        protected void DataList1_CancelCommand(object source, DataListCommandEventArgs e)
        {
            DataList1.EditItemIndex = -1;
            fill();
        }
        protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
        {
            DataSet ds = (DataSet)Session["dst"];
            ds.Tables[0].Rows.Remove(ds.Tables[0].Rows[e.Item.ItemIndex]);
            Session["dst"] = ds;
            ds.WriteXml(Server.MapPath("~/App_Data/ad.xml"));

            fill();
        }
        protected void Button5_Click(object sender, EventArgs e)
        {
            DataSet ds = (DataSet)Session["dst"];
            DataRow dr = ds.Tables[0].NewRow();

            dr["ImageUrl"] = url.Text.ToString();
            dr["NavigateUrl"] = ng.Text.ToString();
            dr["AlternateText"] = na.Text.ToString();
            dr["Keyword"] = kw.Text.ToString();
            dr["Impressions"] = qz.Text.ToString();

            ds.Tables[0].Rows.Add(dr);
            Session["dst"] = ds;

            ds.WriteXml(Server.MapPath("~/App_Data/ad.xml"));
            fill();
            DIV1.Visible = false;
            Panel1.Visible = false;
        }
        protected void Button7_Click(object sender, EventArgs e)
        {
            Panel1.Visible = true;
            na.Focus();
        }
        protected void LinkButton1_Click(object sender, EventArgs e)
        {
            DIV1.Visible = true;
            ng.Focus();
        }
        protected void Button6_Click(object sender, EventArgs e)
        {
            string name = fu.FileName.ToString();
            //int size = Convert.ToInt32(fu.PostedFile.ContentLength);
            string type1 = fu.PostedFile.ContentType.ToString();
            string type = type1.Substring(0, 5);

            if (type == "image")
            {
                fu.PostedFile.SaveAs(Server.MapPath("~/img/") + name);
                img.ImageUrl = Server.MapPath("~/img/") + name;
                url.Text = Server.MapPath("~/img/") + name;
            }
            else
            {
                url.Text = "不是允许的类型";
            }
        }
        protected void Button8_Click(object sender, EventArgs e)
        {
            Response.Redirect("Default2.aspx");
        }
    }

    ----------------------------------------------

    ad.xml的内容:

    <?xml version="1.0" standalone="yes"?>
    <Advertisements>
    <Ad>
        <ImageUrl>~/img/logo.gif</ImageUrl>
        <NavigateUrl>http://www.hc115.com</NavigateUrl>
        <AlternateText>洪川医药</AlternateText>
        <Keyword>医院评价</Keyword>
        <Impressions>50</Impressions>
    </Ad>
    <Ad>
        <ImageUrl>http://www.baidu.com/img/baidu_logo_rw_0808_hzl.gif</ImageUrl>
        <NavigateUrl>http://www.baidu.com</NavigateUrl>
        <AlternateText>百度</AlternateText>
        <Keyword>百度</Keyword>
        <Impressions>60</Impressions>
    </Ad>
    <Ad>
        <ImageUrl>F:wuwenjie et8imgiask.gif</ImageUrl>
        <NavigateUrl>http://www.iask.com</NavigateUrl>
        <AlternateText>爱问</AlternateText>
        <Keyword>爱问搜</Keyword>
        <Impressions>30</Impressions>
    </Ad>
    </Advertisements>

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  • 原文地址:https://www.cnblogs.com/handboy/p/7141595.html
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