bookpreord.aspx.cs

是一个教材管理系统

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;
using System.Data.SqlClient;
using System.IO;

namespace BookManager
{
	/// <summary>
	/// BookPreOrd 的摘要说明。
	/// </summary>
	public class BookPreOrd : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox tbName;
		protected System.Web.UI.WebControls.TextBox tbBookName;
		
		protected System.Web.UI.WebControls.TextBox tbPublish;
		protected System.Web.UI.WebControls.TextBox tbPublishDate;
		protected System.Web.UI.WebControls.TextBox tbPrice;
		protected System.Web.UI.WebControls.TextBox tbBookMark;
		protected System.Web.UI.WebControls.TextBox tbPreOrdNum;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfvBookName;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfvAuthor;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfvBookNum;
		protected System.Web.UI.WebControls.Button btSubmit;
		protected System.Web.UI.WebControls.Button btReset;
		protected System.Web.UI.WebControls.Button btPreView;
		protected System.Data.SqlClient.SqlConnection sqlConn;
		protected System.Web.UI.WebControls.TextBox tbMemo;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfPublish;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfDate;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfPrice;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfMark;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfPic;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfvMemo;
		protected System.Web.UI.WebControls.RegularExpressionValidator rdate;
		protected System.Web.UI.WebControls.RegularExpressionValidator rPrice;
		protected System.Web.UI.WebControls.RegularExpressionValidator rNum;
		protected System.Web.UI.WebControls.TextBox tbAuthor;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfAuthor;
		protected System.Web.UI.HtmlControls.HtmlInputFile tbBookPic;
	
		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)
			{
				if(Session["Role"].ToString()!="1")
				{
					Response.Redirect("NotAllow.htm");
					return;
				}
			}
		}

		#region Web 窗体设计器生成的代码
		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.sqlConn = new System.Data.SqlClient.SqlConnection();
			this.tbPreOrdNum.TextChanged += new System.EventHandler(this.tbPreOrdNum_TextChanged);
			this.btSubmit.Click += new System.EventHandler(this.btSubmit_Click);
			this.btPreView.Click += new System.EventHandler(this.btPreView_Click);
			// 
			// sqlConn
			// 
			this.sqlConn.ConnectionString = "workstation id=QMX;packet size=4096;user id=sa;data source=\"QMX\\THUNDER\";persist " +
				"security info=True;initial catalog=BookManager;password=gliu0307";
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btPreView_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("BookOrd_view.aspx");
		}

		private void InsertData()
		{
			string sqlStr;
			string FileName;
			sqlStr="insert into tblBookInfo values(@BookName,@Author,@PublishDate,@Price,@Publish,@BookMark,@BookPic,@Attribute,@Memo)";
			SqlCommand cmd=new SqlCommand(sqlStr,sqlConn);
			cmd.Parameters.Add("@BookName",tbBookName.Text.ToString());
			cmd.Parameters.Add("@Author",tbAuthor.Text.ToString());
			cmd.Parameters.Add("@PublishDate",tbPublishDate.Text.ToString());
			cmd.Parameters.Add("@Price",tbPrice.Text.ToString());
			cmd.Parameters.Add("@Publish",tbPublish.Text.ToString());
			cmd.Parameters.Add("@BookMark",tbBookMark.Text.ToString());
			FileName=tbBookPic.PostedFile.FileName.ToString();
			FileName=Path.GetFileName(FileName);
			string PicType=Path.GetExtension(FileName).ToLower();
			switch(PicType)
			{
				case ".pic" :
				case ".jpg":
				case ".gif" : {cmd.Parameters.Add("@BookPic",FileName);break;}
				default:{Response.Write("<script language='javascript'>alert('文件格式不对，请确认是jpg或gif格式！');</script>");return;}

			}
			tbBookPic.PostedFile.SaveAs(Server.MapPath("./book/")+FileName);
			cmd.Parameters.Add("@Attribute","2");
			cmd.Parameters.Add("@Memo",tbMemo.Text.ToString());
			
			sqlConn.Open();
			cmd.ExecuteNonQuery();
			sqlConn.Close();
		}
		
		private void btSubmit_Click(object sender, System.EventArgs e)
		{
			this.InsertData();
			this.StorageIn();
			tbBookName.Text="";
			tbAuthor.Text="";
			tbPublishDate.Text="";
			tbPublish.Text="";
			tbBookMark.Text="";
			tbMemo.Text="";
			tbPreOrdNum.Text="";
			tbPrice.Text="";
			Response.Redirect("SubmitOk.aspx");
		}

		private string GetID()
		{
			string sqlStr;
			string id="";
			sqlStr="select * from tblBookIdTemp";
			SqlCommand cmd=new SqlCommand(sqlStr,sqlConn);
			sqlConn.Open();
			SqlDataReader rder=cmd.ExecuteReader();
			while(rder.Read())
			{
				id=rder["id"].ToString();
			}
			rder.Close();
			sqlConn.Close();
			return id;
		}
		private void StorageIn()
		{
			string sqlStr;
			sqlStr="Insert into tblBookStorage values (@Storage,@BookId )";
			SqlCommand cmd=new SqlCommand(sqlStr,sqlConn);
			cmd.Parameters.Add("@Storage",tbPreOrdNum.Text.ToString());
			cmd.Parameters.Add("@BookId",this.GetID());
			sqlConn.Open();
			cmd.ExecuteNonQuery();
			sqlConn.Close();
		}

		private void tbPreOrdNum_TextChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}