viewdocument.aspx.cs

来自「《精通ASP.NET2.0网络应用系统开发》书中的源码」· CS 代码 · 共 69 行

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 DocumentManager;
using System.Data.SqlClient;
using SQLHelper;

public partial class ViewDocument : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            ///绑定文档类别数据
            BindCategoryData();

            ///显示选择结点的文档数据
            if (CategoryView.SelectedNode != null)
            {
                BindDocumentData(Int32.Parse(CategoryView.SelectedValue));
            }
        }
    }

    private void BindCategoryData()
    {
        Category category = new Category();
        category.BindCategoryTreeView(CategoryView, true, "-1");
    }

    private void BindDocumentData(int nCategoryID)
    {
        ///定义获取数据的类
        Document document = new Document();
        SqlDataReader recd = document.GetDocumentByCategory(nCategoryID);

        ///设定控件的数据源
        DocumentView.DataSource = SystemTools.ConvertDataReaderToDataTable(recd);

        ///添加列表控件的ID域
        string[] dataKeyNames = new string[1];
        dataKeyNames[0] = "DocumentID";
        DocumentView.DataKeyNames = dataKeyNames;

        ///绑定控件的数据
        DocumentView.DataBind();
    }
    protected void CategoryView_SelectedNodeChanged(object sender, EventArgs e)
    {
        if (CategoryView.SelectedNode != null)
        {
            ///显示选择结点的文档数据
            BindDocumentData(Int32.Parse(CategoryView.SelectedValue));
        }
    }
    protected void ReturnBtn_Click(object sender, EventArgs e)
    {
        ///返回管理页面
        Response.Redirect("~/DesktopModules/Document/DocumentManage.aspx");
    }
}