showitem.aspx.cs

ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基础知识

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;

public partial class Admin_ShowItem : System.Web.UI.Page
{

 protected void Page_Load(object sender, EventArgs e)
 {
  object oItemID = Request.Params["itemid"];
  string strScriptBlock = null;
  if (oItemID == null)
  {
   strScriptBlock = @"alert('请选择正确的ID！');window.navigate('manageitem.aspx');";
   ClientScript.RegisterClientScriptBlock(this.GetType(), this.UniqueID + "NoItemID", strScriptBlock, true);
  }
  else
  {
   eNewsItem eni = new eNewsItem();
   if (!eni.IsItemIDExist(Convert.ToInt32(oItemID)))
   {
    strScriptBlock = @"alert('该ID不存在！');window.navigate('manageitem.aspx');";
    ClientScript.RegisterClientScriptBlock(this.GetType(), this.UniqueID + "ItemIDNotExist", strScriptBlock, true);
   }
   else
   {
    {
     if (!IsPostBack)
     {
      eni.GetItemByID(Convert.ToInt32(oItemID));
      BindData(eni);
     }
    }
   }
  }
 }

 private void BindData(eNewsItem peni)
 {
  lblItemEName.Text = peni.NewsItemEName;
  tbxItemName.Text = peni.NewsItemName;
  rblShowAtHome.SelectedValue = Convert.ToInt32(peni.NewsShowAtHome).ToString();
  hfldItemID.Value = peni.NewsItemID.ToString();
 }
 protected void btnConfirm_Click(object sender, EventArgs e)
 {
  object oItemID = hfldItemID.Value;
  string strScriptBlock = null;
  if (oItemID == null)
  {
   strScriptBlock = @"alert('请选择正确的ID！');window.navigate('manageitem.aspx');";
   ClientScript.RegisterClientScriptBlock(this.GetType(), this.UniqueID + "NoItemID", strScriptBlock, true);
  }
  else
  {
   eNewsItem eni = new eNewsItem(Convert.ToInt32(Request.Params["itemid"]));
   if (eni.NewsItemName != tbxItemName.Text && eni.IsItemNameExist(tbxItemName.Text))
   {
    strScriptBlock = @"alert('该栏目名称已存在！');";
    ClientScript.RegisterClientScriptBlock(this.GetType(), this.UniqueID + "ItemNameExist", strScriptBlock, true);
    return;
   }
   bool blnShowAtHome = false;
   if (rblShowAtHome.SelectedValue == "1")
    blnShowAtHome = true;
   eni.SetItemInfo(Convert.ToInt32(oItemID), tbxItemName.Text, blnShowAtHome);
   Application["Items"] = eni.GetAllItem();
   strScriptBlock = @"alert('修改栏目信息成功！');window.navigate('manageitem.aspx');";
   ClientScript.RegisterClientScriptBlock(this.GetType(), this.UniqueID + "ItemENameExist", strScriptBlock, true);
  }
 }
 protected void btnCancle_Click(object sender, EventArgs e)
 {
  Server.Transfer("manageitem.aspx");
 }
}