wf_select_batch_order.aspx.cs

某大型国企试用的网上订餐管理系统完整源代码

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 WebApplication1
{
	/// <summary>
	/// WFapp 的摘要说明。
	/// </summary>
	public class WF_select_Batch_order : System.Web.UI.Page
	{
		protected System.Data.DataView dataView1;
		protected System.Data.Odbc.OdbcConnection odbcConnection1;
		protected System.Data.Odbc.OdbcCommand odbcSelectCommand1;
		internal System.Data.Odbc.OdbcCommand odbcInsertCommand1;
		protected System.Data.Odbc.OdbcCommand odbcUpdateCommand1;
		protected System.Data.Odbc.OdbcCommand odbcDeleteCommand1;
		protected System.Data.Odbc.OdbcDataAdapter odbcDataAdapter1;
		protected System.Data.DataSet dataSet1;
		protected System.Data.Odbc.OdbcCommand odbcCommand1;
		protected System.Web.UI.WebControls.Label lblMessage;
		protected System.Web.UI.WebControls.TextBox txtPageSize;
		protected System.Web.UI.WebControls.Label lblTotalPages;
		protected System.Web.UI.WebControls.Label lblCurrentPage;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.DropDownList ddlEffect;
		protected System.Data.DataSet dsDest;
		private string strCurDate;
		private string strUser, strUserName;
		private string strDept, strDeptName;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.TextBox startdate;
		protected System.Web.UI.WebControls.TextBox enddate;
		protected System.Web.UI.WebControls.RangeValidator startinfo;
		protected System.Web.UI.WebControls.RangeValidator endinfo;
		protected System.Web.UI.WebControls.Button btnCancel;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			strUser = (string)Session["strUser"];
			strUserName = (string)Session["strUserName"];
			strDept = (string)Session["strDept"];
			strDeptName = (string)Session["strDeptName"];

			dataSet1 = new DataSet() ;
			if (!IsPostBack)
			{
				string wherestr="",selectstr="";
				strCurDate = DateTime.Now.ToString("yyyy'-'MM'-'dd");
				startdate.Text = strCurDate;
				enddate.Text = strCurDate;

				if (startdate.Text!="")
				{	
					wherestr=" Date >= '"+startdate.Text+" 00:00:00"+"' and ";//
				}
				if (enddate.Text!="")
				{
					wherestr+="Date <= '"+enddate.Text+" 59:59:59" +"' and "; //
				}
				wherestr+= " Manager_id ='"+strUser+"' and  ";
				wherestr+= "Department_ID ='"+strDept+"' ";

				if (!Global.CheckUserValidation((string)Session["strRole"], Global.MENU_BATCHORDERHISTORY))
				{
					Response.Redirect("err_session.htm", true);
				}
				connectionDB();
				selectstr= "select `BATCH_ORDER_id`, `Date`, `Kind`, `Department_ID`, `department`, `Num`, `send_dest`, " +
					"`reason`, `Manager_id`, `Manager_name`, `Effect`, `Checker_id`, `Checker_name` " +
					"from `t_batch_order` " +
					"where "+ wherestr +
					"order by BATCH_ORDER_id desc";
				odbcDataAdapter1.SelectCommand.Connection = odbcConnection1;
				odbcDataAdapter1.SelectCommand.CommandText = selectstr;
				odbcDataAdapter1.Fill ( dataSet1 , "T_BATCH_ORDER" ) ;
				DataGrid1.DataSource = dataSet1.Tables["T_BATCH_ORDER"].DefaultView;
				DataGrid1.HeaderStyle.Height=30;
				DataGrid1.DataBind() ;
				closeDB();

				DataGrid1.CurrentPageIndex=0;
				DataGrid1.PageSize = Convert.ToInt32(txtPageSize.Text);
				select();
			}
		}


		#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.dataView1 = new System.Data.DataView();
			this.odbcConnection1 = new System.Data.Odbc.OdbcConnection();
			this.odbcSelectCommand1 = new System.Data.Odbc.OdbcCommand();
			this.odbcInsertCommand1 = new System.Data.Odbc.OdbcCommand();
			this.odbcUpdateCommand1 = new System.Data.Odbc.OdbcCommand();
			this.odbcDeleteCommand1 = new System.Data.Odbc.OdbcCommand();
			this.odbcDataAdapter1 = new System.Data.Odbc.OdbcDataAdapter();
			this.odbcCommand1 = new System.Data.Odbc.OdbcCommand();
			this.dsDest = new System.Data.DataSet();
			((System.ComponentModel.ISupportInitialize)(this.dataView1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.dsDest)).BeginInit();
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			// 
			// odbcDataAdapter1
			// 
			this.odbcDataAdapter1.DeleteCommand = this.odbcDeleteCommand1;
			this.odbcDataAdapter1.InsertCommand = this.odbcInsertCommand1;
			this.odbcDataAdapter1.SelectCommand = this.odbcSelectCommand1;
			this.odbcDataAdapter1.UpdateCommand = this.odbcUpdateCommand1;
			// 
			// dsDest
			// 
			this.dsDest.DataSetName = "NewDataSet";
			this.dsDest.Locale = new System.Globalization.CultureInfo("zh-CN");
			this.Load += new System.EventHandler(this.Page_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataView1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.dsDest)).EndInit();

		}
		#endregion

		private void connectionDB()
		{
			Global.OpenConnection(ref odbcConnection1);
		}

		private void closeDB()
		{
			odbcConnection1.Close();	
		}	

		private void select()
		{
			if (!startinfo.IsValid || !endinfo.IsValid || startdate.Text.Trim().CompareTo("") == 0)
			{
				Page.RegisterStartupScript("alert", @"<script language=""javascript"">window.alert(""错误：日期不能为空，或格式不是YYYY-MM-DD!"")</script>");
				return;
			}
			DataGrid1.CurrentPageIndex=0;
			DataGrid1.PageSize = Convert.ToInt32 (txtPageSize.Text );
			selectdata();
			PageIndexNbr();
		}
		private void selectdata()
		{
			string wherestr="",selectstr="";

			if (startdate.Text!="")
			{	
				wherestr=" Date >= '"+startdate.Text+" 00:00:00"+"' and ";
			}
			if (enddate.Text!="")
			{
				wherestr+="Date <= '"+enddate.Text+" 59:59:59"+"' and ";
			}
			if (ddlEffect.SelectedValue !="2")
			{
				wherestr+="Effect= '"+ddlEffect.SelectedValue +"' and ";
			}
			wherestr+= " Manager_id ='"+strUser+"'  and ";
			wherestr+= " Department_ID ='"+strDept+"' ";

			connectionDB();
			selectstr= "select `BATCH_ORDER_id`, `Date`, `Kind`, `Department_ID`, `department`, `Num`, `send_dest`, " +
				"`reason`, `Manager_id`, `Manager_name`, `Effect`, `Checker_id`, `Checker_name` " +
				"from `t_batch_order` " +
				"where "+ wherestr +
				"order by BATCH_ORDER_id desc";
			odbcDataAdapter1.SelectCommand.Connection = odbcConnection1;
			odbcDataAdapter1.SelectCommand.CommandText = selectstr;
			odbcDataAdapter1.Fill ( dataSet1 , "T_BATCH_ORDER" ) ;
			DataGrid1.DataSource = dataSet1.Tables["T_BATCH_ORDER"].DefaultView;
			DataGrid1.HeaderStyle.Height=30;
			DataGrid1.DataBind() ;
			closeDB();
		}
		private void PageIndexNbr()
		{
			lblCurrentPage.Text = "第 " + (DataGrid1.CurrentPageIndex + 1).ToString() + " 页/"; 
			lblCurrentPage.Text += "共 " + DataGrid1.PageCount.ToString() + " 页"; 
		}

		private void btnCancel_Click(object sender, System.EventArgs e)
		{
			lblMessage.Text = "";
			DataGrid1.SelectedIndex = -1;
			select();
		}

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex=e.NewPageIndex;
			selectdata();
			PageIndexNbr();
		}
	}
}