bookedit.aspx.cs

客户关系管理系统

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;

namespace HKeBookshop.bookmanager
{
	/// <summary>
	/// bookedit 的摘要说明。
	/// </summary>
	public class bookedit : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label sure;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.TextBox beizhu;
		protected System.Web.UI.WebControls.TextBox write;
		protected System.Web.UI.WebControls.TextBox date;
		protected System.Web.UI.WebControls.TextBox price;
		protected System.Web.UI.WebControls.TextBox bookname;
		protected System.Web.UI.WebControls.TextBox bookid;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator4;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator5;
		protected System.Web.UI.HtmlControls.HtmlInputFile File1;
		DataSet ds = new DataSet();
		string sql;
		string strsql="";
		protected System.Web.UI.WebControls.Image Image1;
		myclass MyClass = new myclass();
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			sql = "select * from T_booktype ";
			ds = MyClass.Readdate(sql);
			this.DropDownList1.DataTextField ="booktype";
			this.DropDownList1.DataValueField = "id";
			this.DropDownList1.DataSource = ds;
			this.DropDownList1.DataBind();	
			if (!IsPostBack)
			{
				string Bookid = Request.QueryString["bookid"].ToString();
				sql = "select * from T_bookinfo where bookid='" + Bookid +"'";
				ds = MyClass.Readdate(sql);
				bookid.Text = Bookid;
				bookname.Text = ds.Tables["myDB"].Rows[0][1].ToString();
				price.Text= ds.Tables["myDB"].Rows[0][2].ToString();
				date.Text= ds.Tables["myDB"].Rows[0][3].ToString();
				write.Text= ds.Tables["myDB"].Rows[0][4].ToString();
				beizhu.Text = ds.Tables["myDB"].Rows[0][6].ToString();
				Image1.ImageUrl = "../"+ds.Tables["myDB"].Rows[0][5].ToString();
				DropDownList1.SelectedValue = ds.Tables["myDB"].Rows[0][7].ToString();
			}
			
			
		}

		#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.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button2_Click(object sender, System.EventArgs e)
		{
			try
			{
				if(File1.PostedFile!=null)
				{
					
					sql = "update [T_bookinfo] set [bookname]='"+ bookname.Text 
						+"',[price]=" + price.Text 
						+ ",[times]='" + date.Text
						+ "',[write]='" + write.Text 
						+ "',[beizhu]='" + beizhu.Text 
						+"',[booktypeid]=" +DropDownList1.SelectedValue 
						+" where bookid='" + bookid.Text + "'";
				
					MyClass.Update(sql,ds);
					sure.Visible =true;
					string picfile=@"bookimages/" + bookid.Text +".gif";
					File1.PostedFile.SaveAs(Server.MapPath("/HKeBookshop").ToString()+@"/bookimages/" + bookid.Text +".gif");
					Response.Redirect("bookedit.aspx?bookid=" + bookid.Text);
				
				}
			}
			catch
			{
				Response.Write("<script>alert('发生错误不能修改')</script>");
			}
			
		}
	}
}