addbooktype.aspx.cs

webshop系统,功能齐全,代数据库.压缩包解压时没有密码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace WebShop
{
	/// <summary>
	/// AddBookType 的摘要说明。
	/// </summary>
	public class AddBookType : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DataGrid dg_booktype;
		protected System.Web.UI.WebControls.ImageButton ib_savecontinue;
		protected System.Web.UI.WebControls.ImageButton ib_saveexit;
		protected System.Web.UI.WebControls.ImageButton ib_exit;
		protected System.Web.UI.WebControls.TextBox tb_booktype;
		protected System.Web.UI.WebControls.TextBox tb_memo;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;
		protected System.Web.UI.WebControls.Literal ErrMsg;
	
		DataAccessLayer.BookType myBookType=new DataAccessLayer.BookType ();
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack)
			{
				ViewState["BookTypeSort"]="";
				GridBind();
			}
			ErrMsg.Visible =false;
		}

		/// <summary>
		/// 绑定到datagrid中
		/// </summary>
		private void GridBind()
		{
            DataView myDv;
			myDv=myBookType.GetBookType();
			if(!object.Equals(ViewState["BookTypeSort"],null))
		      	myDv.Sort =ViewState["BookTypeSort"].ToString() ;
		    dg_booktype.DataSource =myDv;
			dg_booktype.DataBind();

		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.ib_savecontinue.Click += new System.Web.UI.ImageClickEventHandler(this.ib_savecontinue_Click);
			this.ib_saveexit.Click += new System.Web.UI.ImageClickEventHandler(this.ib_saveexit_Click);
			this.ib_exit.Click += new System.Web.UI.ImageClickEventHandler(this.ib_exit_Click);
			this.dg_booktype.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.dg_booktype_ItemCreated);
			this.dg_booktype.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dg_booktype_ItemCommand);
			this.dg_booktype.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.dg_booktype_SortCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ib_exit_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
	     	Response.Redirect("BookManage.aspx");
		}

		private void ib_saveexit_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			try
			{
				myBookType.Add(tb_booktype.Text.Trim(),tb_memo.Text.Trim());
				Response.Redirect("BookManage.aspx");
			}
			catch(Exception er)
			{
               ShowErrMsg(er.Message);
			}

		}

		private void ib_savecontinue_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			try
			{
				myBookType.Add(tb_booktype.Text.Trim(),tb_memo.Text.Trim());
				GridBind();
				tb_booktype.Text="";
				tb_memo.Text ="";
			}
			catch(Exception er)
			{
				ShowErrMsg(er.Message);
			}

		}

		private void dg_booktype_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			 System.Web.UI.WebControls.Image    TempImg;
		     TempImg=(System.Web.UI.WebControls.Image)e.Item.FindControl("ib_delete") ;
			
			if(object.Equals(TempImg,null)==false)
			{				
				TempImg.Attributes.Add("onClick","javascript:return confirm('你能确定要删除此书籍类型吗？')"); 
			}
			
		}


		/// <summary>
		/// 弹出对话框，显示错误消息
		/// </summary>
		/// <param name="err">错误消息内容</param>
		private void ShowErrMsg(string err)
		{
			string str;
			str="<script language='javascript'>";
			str+=" alert('" +err + "')";
			str+="</script>";
			ErrMsg.Visible=true;
			ErrMsg.Text=str;
				
		}

		private void dg_booktype_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			int id;
			System.Web.UI.Control temp;
			temp=(System.Web.UI.Control)e.CommandSource;
			if (temp.ID=="ib_delete")
			{
				try
				{
					id=int.Parse(e.Item.Cells[0].Text);
					myBookType.delete(id);
					GridBind();
				}
				catch(Exception er)
				{
					ShowErrMsg(er.Message);
				}
			}
		}

		private void dg_booktype_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
		{
			if(e.SortExpression==ViewState["BookTypeSort"].ToString() )
			{
				ViewState["BookTypeSort"]=ViewState["BookTypeSort"]+" desc";
			}
			else
			{
				ViewState["BookTypeSort"]=e.SortExpression;
			}
			GridBind();
	}

	}
}