db_search.aspx.cs

该系统采用asp+sql的实验室管理系统

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 Datamodel;
using Data_Contrl;
using OWC;

namespace Sbgl.Admin
{
	/// <summary>
	/// Db_Search 的摘要说明。
	/// </summary>
	public partial class Db_Search : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Textbox1;
		protected System.Web.UI.HtmlControls.HtmlInputHidden Hidden1;
		private int CountRows;
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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()
		{    

		}
		#endregion
		private void BindDataGrid()
		{


			string sql="SELECT a.id as id,b.sn as sn, c.bmnr as bmnr, a.ybm_Name AS ybm, a.y_syr as y_syr, a.xbm_Name as xbm_name, a.syr as syr FROM H_Sb_Db a , H_SB_info b, H_Sblb c  where a.sbbh = b.id and b.sblbid = c.id";
			if(Classid.Value!="")
			{   
				Tree_Contrl zgjg= new Tree_Contrl();
				sql+=" and ybm in ("+zgjg.Treeinit(Convert.ToInt32(Classid.Value.ToString()))+"0)";
			}
			if(Classid1.Value!="")
			{
				Tree_Contrl zgjg= new Tree_Contrl();
				sql+=" and xbm in ("+zgjg.Treeinit(Convert.ToInt32(Classid1.Value.ToString()))+"0)";
			}
			if(wxsjq.Text!=""&&wxsjz.Text!="")
			{
				sql+=" and dbrq between '"+Convert.ToDateTime(wxsjq.Text)+"' and '"+Convert.ToDateTime(wxsjz.Text)+"'";
			}
			sql+=" order by a.id desc";
			DataSet myds =new DataSet();
			CreateDb mydb = new CreateDb();
			DBManager my = mydb.Createdb();
			my.OpenConn();
			CountRows = my.ExecuteCreateDataSet(sql).Fill(myds);
			if (CountRows>0) 
			{
				DataGrid1.DataSource = myds.DefaultViewManager.DataSet;
				DataGrid1.DataBind();
			}
			else
			{
				Response.Write("没有相应的数据");
			}
			
			// Close the connection when done with it.
			my.CloseConn();
		}
		private void ShowStats()
		{
			if (CountRows==0) 
			{
				btnFirst.Visible = false;
				btnPrev.Visible = false;
				btnNext.Visible = false;
				btnLast.Visible = false;
				btnGoto.Visible = false;
				txtIndex.Visible =false;
				lblTotal.Visible = false;
				DataGrid1.Visible =false;
			}
			else
			{
				btnFirst.Visible = true;
				btnPrev.Visible = true;
				btnNext.Visible = true;
				btnLast.Visible = true;
				btnGoto.Visible = true;
				txtIndex.Visible =true;
				lblTotal.Visible = true;
				DataGrid1.Visible = true;

				btnFirst.Enabled=true; 
				btnPrev.Enabled=true; 
				btnLast.Enabled=true; 
				btnNext.Enabled=true; 

				if(DataGrid1.CurrentPageIndex==0) 
				{
					btnFirst.Enabled=false; 
					btnPrev.Enabled=false; 
				} 
				if(DataGrid1.CurrentPageIndex==(DataGrid1.PageCount - 1)) 
				{
					btnLast.Enabled=false; 
					btnNext.Enabled=false; 
				}

				lblTotal.Text = "共计:" +CountRows.ToString() + "条设备信息,共"+ DataGrid1.PageCount.ToString()+"页";
				txtIndex.Text = (DataGrid1.CurrentPageIndex + 1).ToString();
			}
		}
		public void PagerButtonClick(Object sender, CommandEventArgs e)     
		{    

			//由外部分页 UI 使用    
			String arg = e.CommandArgument.ToString();    

			switch(arg)    
			{    
				case "Last":    
					DataGrid1.CurrentPageIndex = (DataGrid1.PageCount - 1);
					break;
				case "First":  
					DataGrid1.CurrentPageIndex = 0;  
					break;				
				case "Next":    
					if (DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1)) DataGrid1.CurrentPageIndex ++;
					break;
				case "Prev":    
					if (DataGrid1.CurrentPageIndex > 0) DataGrid1.CurrentPageIndex --; 
					break;
			}    

			BindDataGrid();    
			ShowStats();  
	
		}
		protected void Ok_Click(object sender, System.EventArgs e)
		{
			BindDataGrid();    
			ShowStats();  
		}

		protected void btnGoto_Click(object sender, System.EventArgs e)
		{
			int gotoIndex = System.Convert.ToInt32(txtIndex.Text) - 1;
			if(gotoIndex >= 0 && gotoIndex <=(DataGrid1.PageCount - 1))
			{
				DataGrid1.Visible  = true;
				DataGrid1.CurrentPageIndex = gotoIndex;
				BindDataGrid();
				ShowStats();
			}
			else DataGrid1.Visible  = false;
		}

		protected void Button2_Click(object sender, System.EventArgs e)
		{
			string sql="SELECT a.id as id,b.sn as sn, c.bmnr as bmnr, a.ybm_Name AS ybm, a.y_syr as y_syr, a.xbm_Name as xbm_name, a.syr as syr FROM H_Sb_Db a , H_SB_info b, H_Sblb c  where a.sbbh = b.id and b.sblbid = c.id";
			if(Classid.Value!="")
			{
				sql+=" and ybm="+Convert.ToInt32(Classid.Value)+"";
			}
			if(Classid1.Value!="")
			{
				sql+=" and xbm="+Convert.ToInt32(Classid1.Value)+"";
			}
			if(wxsjq.Text!=""&&wxsjz.Text!="")
			{
				sql+=" and dbrq between '"+Convert.ToDateTime(wxsjq.Text)+"' and '"+Convert.ToDateTime(wxsjz.Text)+"'";
			}
			sql+=" order by a.id desc";
			CreateDb mydb = new CreateDb();
			DBManager my = mydb.Createdb();
			my.OpenConn();
			IDataReader dr=my.ExecuteCreateReader(my.ExeCommand(sql));
			int FieldNumber = dr.FieldCount;
			if(FieldNumber == 0)
				Response.End();
			SpreadsheetClass xlsheet = new SpreadsheetClass();
			for(int i=0;i<FieldNumber;i++)
			{
				xlsheet.ActiveSheet.Cells[1,i+1]=dr.GetName(i).ToString();
	
			}
			///  xlsheet.ActiveSheet.Cells[1,FieldNumber+1]="详细配置";
			int j=2;
			while(dr.Read())
			{
				for(int i=0;i<FieldNumber;i++)
				{
					xlsheet.ActiveSheet.Cells[j,i+1]=dr.GetValue(i).ToString();
					
				}
				j=j+1;
			}
			try
			{
				xlsheet.ActiveSheet.Export(Server.MapPath("test.xls"),OWC.SheetExportActionEnum.ssExportActionNone);
				Response.Write("<script lanuage=javascript>");
				Response.Write("window.open('test.xls');");
				Response.Write("</script>");
			}
			catch(Exception er)
			{
				throw (er);
			}
		}
	}
}