compact.aspx.cs

本目录提供了<<ASP.NET+SQL Server数据库开发与实例>>一书从第4到第11章实例的核心源程序、数据库文件。

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.Configuration;

namespace clientserver.main
{
	/// <summary>
	/// compact 的摘要说明。
	/// </summary>
	public class compact : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Web.UI.WebControls.LinkButton Lbtn_add;
		protected System.Web.UI.WebControls.DataGrid Dgd_Compact;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		SqlConnection cn;
	
		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(Session["branch"].ToString()=="0"||Session["branch"].ToString()=="1"||Session["branch"].ToString()=="2")
			{
			}
			else 
			{
				Response.Write ("您不是合法用户，请登入后再操作，<a href='../default.aspx'>返回登录</a>");
				Page.Response.End();
			}
			string strconn=ConfigurationSettings.AppSettings["ConnectionString"];
			cn=new SqlConnection(strconn);
			if(!IsPostBack)
				BindGrid();
		}

		#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.Lbtn_add.Click += new System.EventHandler(this.Lbtn_add_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Lbtn_add_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("addCompact.aspx");
		}
		public void BindGrid()
		{
			string mysql="select * from Compact";
			SqlDataAdapter da=new SqlDataAdapter(mysql,cn);
			DataSet ds=new DataSet();
			da.Fill(ds);
			Dgd_Compact.DataSource=ds;
			Dgd_Compact.DataBind();
		}
		public void DataGrid_Page(object sender,DataGridPageChangedEventArgs e)
		{
			Dgd_Compact.CurrentPageIndex=e.NewPageIndex;
			BindGrid();
		}
		public void DataGrid_cancel(object sender,DataGridCommandEventArgs e)
		{
			
			Dgd_Compact.EditItemIndex=-1;
			BindGrid();
			
		}
		
		public void DataGrid_edit(object sender,DataGridCommandEventArgs e)
		{
		
			
				Dgd_Compact.EditItemIndex=(int)e.Item.ItemIndex;		
				BindGrid();
			
		}
		public void DataGrid_update(object sender,DataGridCommandEventArgs e)
		{
			SqlCommand cm=new SqlCommand("updateCompact",cn);
			cm.CommandType=CommandType.StoredProcedure;			
			
			cm.Parameters.Add(new SqlParameter("@Compact_id",SqlDbType.Char,10));
			cm.Parameters.Add(new SqlParameter("@Client_id",SqlDbType.Char,10));					
			cm.Parameters.Add(new SqlParameter("@Compact_state",SqlDbType.Char,10));
			cm.Parameters.Add(new SqlParameter("@Compact_start",SqlDbType.DateTime,8));
			cm.Parameters.Add(new SqlParameter("@Compact_send",SqlDbType.DateTime,8));
			cm.Parameters.Add(new SqlParameter("@Compact_finish",SqlDbType.DateTime,8));
			cm.Parameters.Add(new SqlParameter("@Compact_person",SqlDbType.Char,10));
			cm.Parameters.Add(new SqlParameter("@Compact_price",SqlDbType.Money ,8));

			string colvalue=((TextBox)e.Item.Cells[1].Controls[0]).Text;
			cm.Parameters["@Client_id"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[2].Controls[0]).Text;
			cm.Parameters["@Compact_state"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[3].Controls[0]).Text;
			cm.Parameters["@Compact_start"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[4].Controls[0]).Text;
			cm.Parameters["@Compact_send"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[5].Controls[0]).Text;
			cm.Parameters["@Compact_finish"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[6].Controls[0]).Text;
			cm.Parameters["@Compact_person"].Value=colvalue;

			colvalue=((TextBox)e.Item.Cells[7].Controls[0]).Text;
			cm.Parameters["@Compact_price"].Value=colvalue;

			cm.Parameters["@Compact_id"].Value=Dgd_Compact.DataKeys[(int)e.Item.ItemIndex];
							
			cm.Connection.Open();
			try
			{
				cm.ExecuteNonQuery();
				Lbl_note.Text="编辑成功";
				Dgd_Compact.EditItemIndex=-1;
			}
			catch
			{
				Lbl_note.Text="编辑失败";
				Lbl_note.Style["color"]="red";
			}
			cm.Connection.Close();		
			BindGrid();			
		}
		
		public void DataGrid_delete(object sender,DataGridCommandEventArgs e)
		{
			
				string strsql="delete from Compact where Compact_id=@Compact_id";
				SqlCommand cm=new SqlCommand(strsql,cn);
				cm.Parameters.Add(new SqlParameter("@Compact_id",SqlDbType.Char,10));
				cm.Parameters["@Compact_id"].Value=Dgd_Compact.DataKeys[(int)e.Item.ItemIndex];
				cm.Connection.Open();
				try
				{
					cm.ExecuteNonQuery();
					Lbl_note.Text="删除成功";
				}
				catch(SqlException)
				{
					Lbl_note.Text="删除失败";
					Lbl_note.Style["color"]="red";
				}
				cm.Connection.Close();			
				BindGrid();
			
		}
	}
}