roomsysmng.aspx.cs

房屋管理系统 房屋管理系统 房屋管理系统 房屋管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.Odbc;
using System.Configuration;
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 RoomMngSystem
{
	/// <summary>
	/// WebForm1 的摘要说明。
	/// </summary>
	public class WebForm1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
		protected System.Web.UI.WebControls.LinkButton LinkButton5;
		protected System.Web.UI.WebControls.LinkButton LinkButton6;
		string datatable,head,col;
		protected System.Web.UI.WebControls.LinkButton LinkButton7;
		protected System.Web.UI.WebControls.LinkButton LinkButton8;
		protected System.Web.UI.WebControls.LinkButton LinkButton9;
		protected System.Web.UI.WebControls.LinkButton LinkButton11;
		protected System.Web.UI.WebControls.LinkButton LinkButton12;
		protected System.Web.UI.WebControls.Panel Panel3;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Button Button5;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.Label dLabel1;
		protected System.Web.UI.WebControls.Button Button7;
		protected System.Web.UI.WebControls.Button Button6;
		protected System.Web.UI.WebControls.Button Button8;
		protected System.Web.UI.WebControls.Button Button10;
		protected System.Web.UI.WebControls.Button Button9;
		protected System.Web.UI.WebControls.Button Button11;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button12;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.Button Button4;

		private void DataBindGrid(string table,string col)
		{			
			//定义数据连接对象,其中数据库连接字符串是在Web.Config文件中定义的
			OdbcDataAdapter da;
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			//创建数据适配器对象
			da =new OdbcDataAdapter("Select * from ["+datatable+"]",conn);
			//创建DataSet对象
			DataSet ds = new DataSet();
			try
			{
				//填充数据集
				da.Fill(ds,"testTable");
				//进行数据绑定
				DataGrid1.DataSource = ds.Tables["testTable"];
				DataGrid1.DataBind();
				for(int i=0;i<ds.Tables[0].Rows.Count;i++)
				{
					Label lb = new Label();
//					TextBox text =new TextBox();
					lb=(Label)DataGrid1.Items[i].FindControl("dLabel1");      //Label1是你第一模板列中Label的ID
//					text=(TextBox)DataGrid1.Items[i].FindControl("dTextBox1"); 
					lb.Text=ds.Tables["testTable"].Rows[i][col].ToString();  //假设第一列中，要帮定的数据是ZID字段
//					text.Text=ds.Tables["testTable"].Rows[i][col].ToString();
				}
			}
			catch
			{
//				Label1.Text="出错";
			}				
		}

		private void DataBindGridText(string col)
		{
			OdbcDataAdapter da;
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			//创建数据适配器对象
			da =new OdbcDataAdapter("Select * from ["+datatable+"]",conn);
			//创建DataSet对象
			DataSet ds = new DataSet();
			da.Fill(ds,"txt");
		}
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			string user;
			try
			{	
				user=Session["UserName"].ToString();				
			}
			catch
			{
				this.Response.Redirect("../Enter.aspx");
			}

			if(!IsPostBack)
			{
				Session["tablename"]="";
				Session["headname"]="";
				Session["colname"]="";
			}
			else
			{
				col=Session["colname"].ToString();
				head=Session["headname"].ToString();
				datatable=Session["tablename"].ToString();
//				Label1.Text="";
			}
		}

		#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.Button8.Click += new System.EventHandler(this.LinkButton1_Click);
			this.Button6.Click += new System.EventHandler(this.LinkButton2_Click);
			this.Button7.Click += new System.EventHandler(this.LinkButton3_Click);
			this.Button1.Click += new System.EventHandler(this.LinkButton10_Click);
			this.Button12.Click += new System.EventHandler(this.Button12_Click);
			this.LinkButton4.Click += new System.EventHandler(this.LinkButton4_Click);
			this.LinkButton5.Click += new System.EventHandler(this.LinkButton5_Click);
			this.LinkButton6.Click += new System.EventHandler(this.LinkButton6_Click);
			this.LinkButton7.Click += new System.EventHandler(this.LinkButton7_Click);
			this.LinkButton8.Click += new System.EventHandler(this.LinkButton8_Click);
			this.LinkButton9.Click += new System.EventHandler(this.LinkButton9_Click);
			this.LinkButton12.Click += new System.EventHandler(this.LinkButton12_Click);
			this.LinkButton11.Click += new System.EventHandler(this.LinkButton11_Click);
			this.LinkButton1.Click += new System.EventHandler(this.LinkButton13_Click);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.OnPageIndexChanged);
			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.OnCancelCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.OnEditCommand);
			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.OnUpdateCommand);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.OnDeleteCommand);
			this.Button11.Click += new System.EventHandler(this.Button1_Click);
			this.Button9.Click += new System.EventHandler(this.Button2_Click);
			this.Button10.Click += new System.EventHandler(this.Button3_Click);
			this.Button4.Click += new System.EventHandler(this.Button4_Click);
			this.Button5.Click += new System.EventHandler(this.Button5_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void OnEditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			//取得字符段
			col=Session["colname"].ToString();
			head=Session["headname"].ToString();
			datatable=Session["tablename"].ToString();
			DataGrid1.EditItemIndex=e.Item.ItemIndex;
			DataBindGrid(datatable,col);
		}

		private void OnDeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			string sqlcom,txtcol;
			txtcol=((Label)e.Item.FindControl("dLabel")).Text;
			//打开数据连接
			conn.Open();
			try
			{
				sqlcom="DELETE ["+datatable+"] WHERE ["+head+"]='"+txtcol+"'";
				//定义命令对象
				OdbcCommand cmd = new OdbcCommand(sqlcom,conn);
				//执行SQL命令
				cmd.ExecuteNonQuery();
				DataBindGrid(datatable,col);
			}
			catch
			{

			}
			//关闭连接对象
			conn.Close();
		}

		private void OnCancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			//取得字符段
//			col=Session["colname"].ToString();
//			head=Session["headname"].ToString();
//			datatable=Session["tablename"].ToString();
			DataGrid1.EditItemIndex=-1;
			DataBindGrid(datatable,col);
		}

		private void OnPageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=e.NewPageIndex;
			DataBindGrid(datatable,col);
		}

		private void OnUpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string cell3=((Label)e.Item.FindControl("dLabel")).Text;
			string cell4=((TextBox)e.Item.FindControl("dTextBox1")).Text;
			string sqlcom="UPDATE ["+datatable +"] set ["+col+"]='"+cell4 +"' where [编号]='"+cell3+"'";
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			//定义命令对象
			OdbcCommand cmd = new OdbcCommand(sqlcom,conn);
			try
			{	
				//打开数据连接	
				conn.Open();
				//执行SQL命令
				cmd.ExecuteNonQuery();
				//取消编辑
				DataGrid1.EditItemIndex = -1;
				DataBindGrid(datatable,col);
			}
			catch(Exception err)
			{
				//输出异常信息
				Label1.Text="更新失败！";
			}
			finally
			{
				//关闭连接对象
				conn.Close();
			}
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			System.Web.UI.WebControls.CheckBox chkExport;
			foreach(DataGridItem oDataGridItem in DataGrid1.Items)
			{
				chkExport=(CheckBox)oDataGridItem.FindControl("chkExport");
				chkExport.Checked=true;
			}
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			System.Web.UI.WebControls.CheckBox chkExport;
			foreach(DataGridItem oDataGridItem in DataGrid1.Items)
			{
				chkExport=(CheckBox)oDataGridItem.FindControl("chkExport");
				chkExport.Checked=false;
			}
		}

		private void Button3_Click(object sender, System.EventArgs e)
		{	
			System.Web.UI.WebControls.CheckBox chkExport;
			string sqlcom;
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			//打开数据连接
			conn.Open();	
			

			foreach(DataGridItem oDataGridItem in DataGrid1.Items)
			{
				chkExport=(CheckBox)oDataGridItem.FindControl("chkExport");
				if(true==chkExport.Checked)
				{
					sqlcom="DELETE ["+datatable+"] WHERE ["+head+"]='"+((Label)oDataGridItem.FindControl("dLabel")).Text+"'";