liulanclient.aspx.cs

简单的企业管理系统

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.SqlClient;
namespace login
{
	/// <summary>
	/// liulanclient 的摘要说明。
	/// </summary>
	public class liulanclient : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Label Label1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
			 this.Bind();
			
			}// 在此处放置用户代码以初始化页面
		}
		public void Bind()
		{
		
			SqlConnection con=odb.createCon();
			
			SqlDataAdapter sda=new SqlDataAdapter();
			sda.SelectCommand=new SqlCommand("select * from yonghu",con);
			DataSet ds=new DataSet();
			sda.Fill(ds,"yonghu");
			this.DataGrid1.DataSource=ds.Tables["yonghu"];
			this.DataGrid1.DataBind();
		
		}

		#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.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
			this.DataGrid1.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.DataGrid1_SortCommand);
			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
			this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

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

		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)
			{
			e.Item.Attributes.Add("onmouseover","c=this.style.backgroundColor;this.style.backgroundColor='#6699ff'");
				e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=c");
				((LinkButton)(e.Item.Cells[6].Controls[0])).Attributes.Add("onclick","return confirm('你确认删除吗？');");
			
			}
		}

		private void DataGrid1_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
		{
			if(ViewState["order"]==null)
			{
				ViewState["order"]="ASC";
				
			}
			else
			{
				if(ViewState["order"].ToString()=="ASC")
				{
					ViewState["order"]="DESC";
				}
				else
				{
					ViewState["order"]="ASC";
				}
			}
			SqlConnection con=odb.createCon();
			
			SqlDataAdapter sda=new SqlDataAdapter();
			sda.SelectCommand=new SqlCommand("select * from yonghu",con);
			DataSet ds=new DataSet();
			sda.Fill(ds,"yonghu");
			ds.Tables["yonghu"].DefaultView.Sort=e.SortExpression+" "+ViewState["order"].ToString();

			this.DataGrid1.DataSource=ds.Tables["yonghu"].DefaultView;
			this.DataGrid1.DataBind();
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
		    
			SqlConnection con=odb.createCon();
			SqlCommand cm=new SqlCommand("delete from yonghu where userid=@userid",con);
			cm.Parameters.Add(new SqlParameter("@userid",SqlDbType.Char,10));
//            this.DataGrid1.DataKeyField="userid";
			cm.Parameters["@userid"].Value=(e.Item.Cells[0]).Text.ToString();
			
			cm.Connection.Open();
			try
			{
				cm.ExecuteNonQuery();

				this.Bind();
			}
			catch(SqlException)
			{ 
			 this.Label1.Text="删除失败";
			}
			cm.Connection.Close();
		}

		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid1.EditItemIndex=e.Item.ItemIndex;
			this.Bind();
		}

		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid1.EditItemIndex=-1;
			this.Bind();
		}

		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			SqlConnection con=odb.createCon();
			SqlCommand cm=new SqlCommand("updateyonghu",con);
			cm.CommandType=CommandType.StoredProcedure;
			cm.Parameters.Add(new SqlParameter("@userid",SqlDbType.Char,10));
			cm.Parameters.Add(new SqlParameter("@username",SqlDbType.VarChar,50));
			cm.Parameters.Add(new SqlParameter("@pwd",SqlDbType.VarChar,20));
			cm.Parameters.Add(new SqlParameter("@bumen",SqlDbType.Int));
			cm.Parameters.Add(new SqlParameter("@tell",SqlDbType.VarChar,20));
			cm.Parameters.Add(new SqlParameter("@mail",SqlDbType.VarChar,50));
			string col=((TextBox)e.Item.Cells[1].Controls[0]).Text;
			cm.Parameters["@username"].Value=col;
			col=((TextBox)e.Item.Cells[2].Controls[0]).Text;
			cm.Parameters["@pwd"].Value=col;
            col=((TextBox)e.Item.Cells[3].Controls[0]).Text;
			cm.Parameters["@bumen"].Value=col;
			col=((TextBox)e.Item.Cells[4].Controls[0]).Text;
			cm.Parameters["@tell"].Value=col;

			col=((TextBox)e.Item.Cells[5].Controls[0]).Text;
			cm.Parameters["@mail"].Value=col;
			cm.Parameters["@userid"].Value=((TextBox)e.Item.Cells[0].Controls[0]).Text;

            cm.Connection.Open();
			cm.ExecuteNonQuery();
			
			cm.Connection.Close();
		}
	}
}