什么是值类型和引用类型，面试有感!

nighting1029
一个人的日子
等级:

发表于：2008-04-14 16:27:558楼得分:0

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 System.Text.RegularExpressions;

using ESpace.Reader;
using ESpace.Reader.Business;
using ESpace.Reader.DataEntity;

public partial class ArticleEdit : LoginPageBase
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string strAction = (string)Request.QueryString["action"];
string strNTypeID = (string)Request.QueryString["ntypeid"];
string strArticleID = (string)Request.QueryString["articleid"];
string strSpecialID = (string)Request.QueryString["specialid"];

ViewState["Action"] = strAction;
ViewState["NTypeID"] = strNTypeID;
ViewState["ArticleID"] = strArticleID;
ViewState["SpecialID"] = strSpecialID;

if (strAction != "add" && strAction != "edit")
{
ShowServerMessage("非法请求", "参数错误！", "");
return;
}
if (strAction == "edit" && (strArticleID == "" ¦ ¦ strArticleID == null))
{
ShowServerMessage("非法请求", "参数错误！", "");
return;
}

if (strSpecialID != "" ¦ ¦ strSpecialID != null)
{
txtSpecialID.Text = strSpecialID;
}
else
{
txtSpecialID.Text = "";
}

//初始化列表

DataTable dtNTypeList = NTypeBiz.GetAllNType();
DataView dvNTypeList = new DataView(dtNTypeList);
dvNTypeList.Sort = "NTypeID";
ListItem li = new ListItem("请选择文章分类", "");
ddlNTypeID.Items.Insert(0, li);
for (int i = 0; i < dvNTypeList.Count; i++)
{
string strNTypeID1 = (string)dvNTypeList[i]["NTypeID"];
string strNTypeText = (string)dvNTypeList[i]["NTypeText"];
if (strNTypeID1.Length == 3)
strNTypeText = "┣" + strNTypeText;
else if (strNTypeID1.Length == 6)
strNTypeText = "┣━" + strNTypeText;
else if (strNTypeID1.Length == 9)
strNTypeText = "┣━━" + strNTypeText;
else if (strNTypeID1.Length == 12)
strNTypeText = "┣━━━" + strNTypeText;

li = new ListItem(strNTypeText, strNTypeID1);
ddlNTypeID.Items.Add(li);
}
SetDropDownListValue(ddlNTypeID, strNTypeID);
txtTitle.Focus();//获取焦点

if (strAction == "edit")
{
ArticleList objArticle = ArticleListBiz.GetArticleList((string)ViewState["ArticleID"]);
txtArticleID.Text = objArticle.ArticleID;
SetDropDownListValue(ddlNTypeID, objArticle.NTypeID);
txtAuthorName.Text = objArticle.AuthorName;
txtTitle.Text = objArticle.Title;
txtsTitle.Text = objArticle.sTitle;
txtSpecialID.Text = objArticle.SpecialID;
txtFCKeditorContent.Value = objArticle.Content;
txtUrlSource.Text = objArticle.UrlSource;
chkIsReply.Checked = objArticle.IsReply == 1;
txtPRI.Text = objArticle.PRI.ToString();
}
}

}

protected void btnOK_Click(object sender, EventArgs e)
{
if ((string)ViewState["Action"] == "add")
{
ArticleList objArticle = new ArticleList();
objArticle.CreateDate = DateTime.Now;
objArticle.ArticleID = IDCreator.GetNewID("Article", 0, "n", "", 11, "文章编号", 1); ;
objArticle.Title = txtTitle.Text;
objArticle.sTitle = txtsTitle.Text;
objArticle.NTypeID = ddlNTypeID.SelectedValue;
objArticle.SpecialID = txtSpecialID.Text;
objArticle.AuthorName = txtAuthorName.Text;
objArticle.Content = txtFCKeditorContent.Value;
objArticle.UrlSource = txtUrlSource.Text;
objArticle.PRI = int.Parse(txtPRI.Text);
objArticle.IsReply = chkIsReply.Checked ? (short)1 : (short)0;
objArticle.Creator = (string)Session["UID"];

ArticleListBiz.AddNTypeArticle(objArticle);
if (sender == btnAddAndReturn)
{
ShowServerMessage("添加成功", "文章" + objArticle.Title + "添加成功,将返回管理页面！", "/ArticleManage.aspx?ntypeid=" + (string)ViewState["NTypeID"]);
}
else if (sender == btnOK)
{
ShowServerMessage("添加成功", "文章" + objArticle.Title + "添加成功,稍等继续添加！", "/ArticleEdit.aspx?action=add&ntypeid=" + (string)ddlNTypeID.SelectedValue);
}
}
else if ((string)ViewState["Action"] == "edit")
{
ArticleList objArticle = ArticleListBiz.GetArticleList((string)ViewState["ArticleID"]);

objArticle.Title = txtTitle.Text;
objArticle.sTitle = txtsTitle.Text;
objArticle.NTypeID = ddlNTypeID.SelectedValue;
objArticle.SpecialID = txtSpecialID.Text;
objArticle.AuthorName = txtAuthorName.Text;
objArticle.Content = txtFCKeditorContent.Value;
objArticle.UrlSource = txtUrlSource.Text;
objArticle.PRI = int.Parse(txtPRI.Text);
objArticle.IsReply = chkIsReply.Checked ? (short)1 : (short)0;
objArticle.Creator = (string)Session["UID"];

ArticleListBiz.UpdateArticleList(objArticle);
if (sender == btnAddAndReturn)
{
ShowServerMessage("添加成功", "文章" + objArticle.Title + "添加成功,将返回管理页面！", "/ArticleManage.aspx?ntypeid=" + ddlNTypeID.SelectedValue);
}
else if (sender == btnOK)
{
ShowServerMessage("添加成功", "文章" + objArticle.Title + "添加成功,稍等继续添加！", "/ArticleEdit.aspx?action=add&ntypeid=" + (string)ddlNTypeID.SelectedValue);
}
}
}
}
我现在写代码都是这么写的!那些东西很少用到!

public partial class ArticleEdit : LoginPageBase这个用到了继承我知道!其他的什么引用类型，怎么说阿！汗，看来真的不是吃这块的料，现在转行也没有人要！

修改删除举报引用回复