roomusermng.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.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.Odbc;
using System.Configuration;

namespace RoomMngSystem
{
	/// <summary>
	/// RoomUserMng 的摘要说明。
	/// </summary>
	public class RoomUserMng : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.LinkButton LinkButton3;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Button Button3;
		protected System.Web.UI.WebControls.Button Button4;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button Button5;
		protected System.Web.UI.WebControls.Button Button6;
		protected System.Web.UI.WebControls.Button Button7;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.Panel Panel2;

		private void DataBindGrid()
		{			
			//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 [UserInfo]",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();
			}
			catch
			{
				
			}				
		}
	
		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)
			{
				DataBindGrid();
			}
		}

		#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.Button5.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.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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Button3.Click += new System.EventHandler(this.Button3_Click);
			this.Button4.Click += new System.EventHandler(this.Button4_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void OnEditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex=e.Item.ItemIndex;
			DataBindGrid();
		}

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

			}
			//关闭连接对象
			conn.Close();
		}

		private void OnCancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex=-1;
			DataBindGrid();
		}

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

		private void OnUpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string cell3=((TextBox)e.Item.FindControl("Textbox1")).Text;
			string cell4=((TextBox)e.Item.FindControl("Textbox2")).Text;
			string cell5=((TextBox)e.Item.FindControl("Textbox3")).Text;
			string cell6=((TextBox)e.Item.FindControl("Textbox4")).Text;
			string cell71=((TextBox)e.Item.FindControl("Textbox5")).Text;
			string cell7;
			if("True"==cell71)
			{
				cell7="1";
			}
			else
			{
				cell7="0";
			}

			string sqlcom="UPDATE [UserInfo] set ID='"+cell3+"',name='"+cell4+"',pw='"+cell5+"' ,unit='"+cell6+"',type="+cell7+" WHERE ID='"+cell3+"'";
			OdbcConnection conn = new OdbcConnection();
			conn.ConnectionString=ConfigurationSettings.AppSettings["oCn_Str"];
			//定义命令对象
			OdbcCommand cmd = new OdbcCommand(sqlcom,conn);
			//打开数据连接
			conn.Open();
			
			try
			{
				//取消编辑
				DataGrid1.EditItemIndex=-1;
				//执行SQL命令
				cmd.ExecuteNonQuery();
				DataBindGrid();
			}
			catch
			{
				//输出异常信息
			}
			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 sID,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)
				{
					try
					{
						sID=((Label)(oDataGridItem.FindControl("NameLabel"))).Text;
						sqlcom="DELETE [UserInfo] WHERE [ID]='"+sID+"'";	
						//定义命令对象
						OdbcCommand cmd = new OdbcCommand(sqlcom,conn);
						//执行SQL命令
						cmd.ExecuteNonQuery();
					}
					catch
					{
						return;
					}
				}
			}
			DataBindGrid();
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("RoomUserMng.aspx");
		}

		private void LinkButton3_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("RoomDataMng.aspx");
		}

		private void LinkButton2_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("RoomSysMng.aspx");
		}

		private void Button4_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("RoomUserAdd.aspx");
		}
	}
}