default.aspx.cs

不错的 漂亮分类源代码 很又用

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;

using JohnTree.Library;
using JohnTree.Library.Bll;
using JohnTree.Library.Model;

namespace JohnTree.Web
{
    public partial class _Default : System.Web.UI.Page
    {
        ConClassInfo model = new ConClassInfo();
        
        #region ClassKind属性
        protected int ClassKind
        {
            get
            {
                return (int)ViewState["ClassKind"];
            }
            set
            {
                ViewState["ClassKind"] = value;
            }
        }
        #endregion

        protected void Page_Load( object sender, EventArgs e )
        {
            if (!IsPostBack)
            {
                this.ClassKind = Convert.ToInt32(Request.QueryString["ClassKind"]);
                BindData();
            }
        }

        #region 数据绑定
        private void BindData()
        {
            
            this.btnAdd.Attributes.Add("onclick", "return ChkInput()");
            this.btnEdit.Attributes.Add("onclick", "return ChkInput()");

            DataSet ds = new IConClass().GetClassList(this.ClassKind);

            this.rptMenuList.DataSource = ds.Tables[0].DefaultView;
            this.rptMenuList.DataBind();

            this.DdlMenu.Items.Clear();
            this.DdlMenu.Items.Add(new ListItem("添加为根栏目", "0"));
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                int ClassTj = Convert.ToInt32(dr["ClassTj"]);
                string ClassId = dr["ClassId"].ToString().Trim();
                string ClassName = dr["ClassName"].ToString().Trim();

                if (ClassTj == 1)
                {
                    this.DdlMenu.Items.Add(new ListItem(ClassName, ClassId));

                }
                else
                {
                    ClassName = "├ " + ClassName;
                    ClassName = StringHelper.StringOfChar(ClassTj - 1, "　") + ClassName;

                    this.DdlMenu.Items.Add(new ListItem(ClassName, ClassId));
                }
            }
            
        }
        #endregion

        #region 添加按钮操作
        protected void btnAdd_Click( object sender, EventArgs e )
        {
            string ClassId = StringHelper.GetRamCode();                   //栏目ID
            string ClassName = this.txtClassName.Text.Trim();               //栏目名称
            string ClassList = "";                                          //栏目包含列表
            string ClassPre = this.DdlMenu.SelectedValue.Trim();            //上一级目录
            int ClassTj = 1;                                                //栏目深度

            if (ClassPre == "0")
            {
                ClassList = ClassId + ",";
                ClassTj = 1;
            }
            else
            {
                DataSet ds = new IConClass().GetClassListByClassId(ClassPre);

                if (ds.Tables[0].Rows.Count > 0)
                {
                    DataRow dr = ds.Tables[0].Rows[0];
                    ClassList = dr["ClassList"].ToString().Trim() + ClassId + ",";
                    ClassTj = Convert.ToInt32(dr["ClassTj"]) + 1;
                }
            }
            model.ClassId = ClassId;
            model.ClassName = ClassName;
            model.ClassList = ClassList;
            model.ClassPre = ClassPre;
            model.ClassTj = ClassTj;
            model.ClassKind = this.ClassKind;
            if (new IConClass().ClassAdd(model))
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('栏目添加成功！')", true);
            }
            else
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('栏目添加操作失败！')", true);
            }
            this.txtClassName.Text = "";
            BindData();
        }
        #endregion

        #region 保存栏目信息
        protected void btnEdit_Click( object sender, EventArgs e )
        {
            this.btnEdit.Visible = false;
            this.btnAdd.Visible = true;
            string ClassId = this.HidClassId.Value.Trim();
            string ClassName = this.txtClassName.Text.Trim();
            string ClassList = "";                                            //栏目包含列表
            string ClassPre = this.DdlMenu.SelectedValue.Trim();              //上一级目录
            int ClassTj = 1;                                                  //栏目深度

            if (ClassPre == "0")
            {
                ClassList = ClassId + ",";
                ClassTj = 1;
            }
            else
            {
                DataSet ds = new IConClass().GetClassListByClassId(ClassPre);

                if (ds.Tables[0].Rows.Count > 0)
                {
                    DataRow dr = ds.Tables[0].Rows[0];
                    ClassList = dr["ClassList"].ToString().Trim() + ClassId + ",";
                    ClassTj = Convert.ToInt32(dr["ClassTj"]) + 1;
                }
            }
            model.ClassId = ClassId;
            model.ClassName = ClassName;
            model.ClassList = ClassList;
            model.ClassPre = ClassPre;
            model.ClassTj = ClassTj;
            if (new IConClass().ClassSave(model))
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('栏目保存成功！')", true);
            }
            else
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('栏目保存操作失败！')", true);
            }
            this.txtClassName.Text = "";
            BindData();
        }
        #endregion

        #region 显示数据处理
        protected void rptMenuList_ItemDataBound( object sender, RepeaterItemEventArgs e )
        {
            if (e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.Item)
            {
                Literal LitFirst = (Literal)e.Item.FindControl("LitFirst");
                //HyperLink LabClassNm = (HyperLink)e.Item.FindControl("LabClassNm");
                Label LabClassNm = (Label)e.Item.FindControl("LabClassNm");

                string LitStyle = "<span style=width:{0}px;text-align:right;display:inline-block;>{1}{2}</span>";

                string LitImg1 = "<img src=images/openfolder.gif align=absmiddle />";
                string LitImg2 = "<img src=images/file.gif align=absmiddle />";
                string LitImg3 = "<img src=images/t.gif align=absmiddle />";

                DataRowView drv = (DataRowView)e.Item.DataItem;
                int ClassTj = Convert.ToInt32(drv["ClassTj"]);

                if (ClassTj == 1)
                {
                    LabClassNm.Font.Bold = true;
                    LitFirst.Text = LitImg1;
                }
                else
                {
                    LitFirst.Text = string.Format(LitStyle, ClassTj * 20, LitImg3, LitImg2);
                }
            }
        }
        #endregion

        #region 编辑删除处理
        protected void rptMenuList_ItemCommand( object source, RepeaterCommandEventArgs e )
        {
            HiddenField txtClassId = (HiddenField)e.Item.FindControl("txtClassId");
            //HyperLink LabClassNm = (HyperLink)e.Item.FindControl("LabClassNm");
            Label LabClassNm = (Label)e.Item.FindControl("LabClassNm");
            switch (e.CommandName.ToLower())
            {
                case "btnedit":
                    this.txtClassName.Text = LabClassNm.Text.Trim();
                    this.HidClassId.Value = txtClassId.Value.Trim();
                    this.DdlMenu.SelectedValue = new IConClass().GetPreClassId(txtClassId.Value.Trim()).Trim();
                    this.btnAdd.Visible = false;
                    this.btnEdit.Visible = true;
                    break;

                case "btndelete":
                    if (new IConClass().DelByClassId(txtClassId.Value))
                    {
                        Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('所选栏目删除成功！')", true);
                    }
                    else
                    {
                        Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('删除操作失败，请与管理员联系！')", true);
                    }
                    BindData();
                    break;
            }
        }
        #endregion

        #region 列表顺序保存操作
        /// <summary>
        /// 列表顺序保存操作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void BtnSave_Click( object sender, EventArgs e )
        {
            int UpSum = 0;
            bool ReVal = true;
            foreach (RepeaterItem RptItem in this.rptMenuList.Items)
            {
                HiddenField txtClassId = (HiddenField)RptItem.FindControl("txtClassId");
                TextBox txtOrder = (TextBox)RptItem.FindControl("txtOrder");
                try
                {
                    ReVal = new IConClass().UpdateClassOrder(txtClassId.Value.Trim(), Convert.ToInt32(txtOrder.Text));
                }
                catch
                {
                    ReVal = false;
                }

                if (ReVal == false)
                {
                    ++UpSum;
                }
            }
            if (UpSum == 0)
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", "alert('所有设定的栏目顺序都已保存成功！')", true);
            }
            else
            {
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "ajaxjs", string.Format("alert('栏目顺序部份保存成功,共有{0}条记录保存失败!')", UpSum), true);
            }
            BindData();
        }
        #endregion
    }
}