materielweb.aspx.cs

可供共享学习.net环境下生产管理的实现

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 Botheighten.Yanghui.BusinessFacade;
using Botheighten.Yanghui.Framework;
using Botheighten.Yanghui.BusinessRules;

namespace Botheighten.Yanghui.Web
{
	/// <summary>
	/// MaterielWeb 的摘要说明。
	/// </summary>
	public class MaterielWeb : BasePage
	{
		protected System.Web.UI.WebControls.DataGrid grid;
		protected System.Web.UI.WebControls.Label lblMessage;
		protected System.Web.UI.WebControls.TextBox txtCode;
		protected System.Web.UI.WebControls.DropDownList ddlMaterielCatalog;
		protected System.Web.UI.WebControls.Button btnSearch;
		protected System.Web.UI.WebControls.Button btnAdd;
		protected System.Web.UI.WebControls.Button btnDelAll;
		protected System.Web.UI.WebControls.Label lblTitle;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			Principal p=this.CurrentUser();
			this.CheckPermissionPage(p.Id,"","104");
			this.ReponseWriteDeleteScript ();
			this.lblMessage.Visible=false;
//			btnDelete.Attributes.Add("onClick","javascript:return confirm('确定要删除此记录吗?');");
			btnDelAll.Attributes.Add("onClick",@"javascript:return confirm('警告：确定要删除本页所有记录吗? \n 删除本页记录可能会误删除一些记录，请谨慎操作!');");
			//this.lblCompanyName.Text = Application["CompanyInfo"].ToString();
			
			if(!Page.IsPostBack)
			{
				this.grid.PageSize=int.Parse(Application["PageSize"].ToString());
				if(p.IsSuper=="Y")
					this.btnDelAll.Visible=true;
				else
					this.btnDelAll.Visible=false;

				DataTable dt=MaterielSystem.AllMaterielCatalog("Y");
				Common.BindDrop(this.ddlMaterielCatalog,dt,MaterielCatalog.NAME,MaterielCatalog.ID,"所有","");

				this.BindGrid();
			}
		}


		private void BindGrid()
		{
			string mCat="";
			
			if(this.ddlMaterielCatalog.Items.Count>0)
                mCat=this.ddlMaterielCatalog.SelectedItem.Value;
			string mCode=txtCode.Text.Trim();
			DataView dt=MaterielSystem.AllMateriel(mCat,mCode,"").DefaultView;
			Common.ReSet(this.grid,dt);
			grid.DataSource=dt;
			grid.DataBind();
		}

		#region Web Form Designer generated code
		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.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
			this.btnDelAll.Click += new System.EventHandler(this.btnDelAll_Click);
			this.grid.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.grid_PageIndexChanged);
			this.grid.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.grid_EditCommand);
			this.grid.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.grid_SortCommand);
			this.grid.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.grid_DeleteCommand);
			this.grid.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.grid_ItemDataBound);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void grid_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
		{
			this.grid.SelectedIndex=-1;
			Common.SortGrid(grid,e.SortExpression.ToString());		
			this.BindGrid();
		}

		private void grid_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			grid.CurrentPageIndex=e.NewPageIndex;
			BindGrid();
		}

		private void grid_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			grid.SelectedIndex = e.Item.ItemIndex;
			string id = grid.DataKeys[e.Item.ItemIndex].ToString();
			if(id!="")
			{
				Response.Redirect("MaterielModWeb.aspx?id="+id);
				Response.End();
			}
		}

		private void grid_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			grid.SelectedIndex = e.Item.ItemIndex;
			string id = grid.DataKeys[e.Item.ItemIndex].ToString();
			if(id!="")
			{
				Materiel m=new Materiel();
				m.Id=id;
				this.DeleteRecord(m);			
				this.BindGrid ();
			}
		}

		public void DeleteRecord(Materiel m)
		{
			try
			{
				m.Delete();
			}
			catch(LeaseException exp)
			{
				if(exp.ErrorType==LeaseExceptionType.RestrictException)
				{
					this.lblMessage.Text="失败：删除记录遇到错误,记录已经不存在";
					this.lblMessage.Visible=true;
				}
				else
				{
					throw exp;
				}
			}

			this.lblMessage.Text ="成功：删除记录成功";
			this.lblMessage.Visible=true;
		}

		private void btnSearch_Click(object sender, System.EventArgs e)
		{
			this.BindGrid();
		}

		private void grid_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item || e.Item.ItemType==ListItemType.AlternatingItem)
			{
				e.Item.Cells[3].Text = MaterielSystem.GetMaterielCatName(e.Item.Cells[3].Text.Trim());
				e.Item.Cells[4].Text = Common.GetLeftString(e.Item.Cells[4].Text.Trim(),20);
				e.Item.Cells[6].Text = UnitSystem.GetUnitCode(e.Item.Cells[6].Text.Trim());
			}
		}

		private void btnAdd_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("MaterielModWeb.aspx");
			Response.End();
		}

		private void btnDelAll_Click(object sender, System.EventArgs e)
		{
			int count=this.grid.Items.Count;
			string[] Ids=new string[count];
			for(int i=0;i<count;i++)
			{
				Ids[i]=grid.DataKeys[i].ToString();
			}

			if(MaterielSystem.DeleteAllMateriel(Ids))
			{
				this.lblMessage.Text ="成功：本页所有记录删除成功";
				this.lblMessage.Visible=true;
			}
			else
			{
				this.lblMessage.Text="失败：本页批量删除失败";
				this.lblMessage.Visible=true;
			}
												
		}

	
	}
}