empmanage.aspx.cs

在线办公系统： 采用C#和asp编写

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;
using System.Configuration ;

namespace OfficeOnline
{
	/// <summary>
	/// EmpManage 的摘要说明。
	/// </summary>
	public class EmpManage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.ImageButton cmdQuery;
		protected System.Web.UI.WebControls.DataGrid dgdemp;
		protected System.Web.UI.WebControls.Label lblerr;
		protected System.Web.UI.WebControls.TextBox tbxempname;
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		protected System.Web.UI.WebControls.DropDownList dropDep;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			lblerr.Text="";
			
			if(!Page.IsPostBack)
			{			
							
				//创建数据库连接对象
				SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
				objconn.Open();
				string objsql="Select DptName from Department";
				SqlDataAdapter da = new SqlDataAdapter(objsql,objconn);
				//创建并填充DataSet
				DataSet ds = new DataSet();
				da.Fill(ds,"Department");			  
				dropDep.DataSource=ds;
				dropDep.DataMember="Department";
				dropDep.DataTextField ="DptName";
				dropDep.DataBind();
				objconn.Close();
				BindGrid();
			}
		}
		public void BindGrid()
		{	
			//创建数据库连接对象
			SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);				
			SqlCommand objcmd = new SqlCommand("SelEmp",objconn);
			//设定命令类型
			objcmd.CommandType= CommandType.StoredProcedure ;
			//打开数据库连接
			objconn.Open();
			SqlDataReader result = objcmd.ExecuteReader(CommandBehavior.CloseConnection);
			dgdemp.DataSource=result;
			dgdemp.DataBind();
			objconn.Close() ;
		}
		private void dgdemp_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			//创建数据库连接和命令对象
			SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
			objconn.Open();
			SqlCommand cm=new SqlCommand ("EmpDelete",objconn);
			cm.CommandType =CommandType.StoredProcedure ;
			cm.Parameters .Add ("@EmpID",SqlDbType.Int);
			//从DateGrid中取得更新内容
			//Cells [1]为EmpID列
			cm.Parameters ["@EmpID"].Value =Convert.ToInt32(e.Item.Cells[0].Text.ToString());
			cm.ExecuteNonQuery ();
			dgdemp.EditItemIndex =-1;
			BindGrid();
			
		}
		
		#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.cmdQuery.Click += new System.Web.UI.ImageClickEventHandler(this.cmdQuery_Click);
			this.dgdemp.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.dgdemp_DeleteCommand);
			this.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
			this.ImageButton2.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void cmdQuery_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(tbxempname.Text=="")
			{
				lblerr.Text="请输入查询员工姓名";
			}
			else
			{
				//创建数据库连接和命令对象
				SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
				SqlCommand objcmd = new SqlCommand("SelEmp1",objconn);
				//设定命令类型
				objcmd.CommandType= CommandType.StoredProcedure ;
				//添加参数
				SqlParameter paramEmpName = new SqlParameter("@EmpName",SqlDbType.NVarChar,16);
				paramEmpName.Value=tbxempname.Text;
				objcmd.Parameters.Add(paramEmpName);

				SqlParameter paramDptName=new SqlParameter("@DptName",SqlDbType.NVarChar,100);
				paramDptName.Value=dropDep.SelectedValue;
				objcmd.Parameters.Add(paramDptName);
				objconn.Open();
				SqlDataReader result = objcmd.ExecuteReader(CommandBehavior.CloseConnection);
				dgdemp.DataSource=result;
				dgdemp.DataBind();
			}

		}

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("Default.aspx");
		}

		private void ImageButton2_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("EmpAdd.aspx");
		}


		public void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dgdemp.CurrentPageIndex =E.NewPageIndex ;
			BindGrid();
		}

		

		
	}

	
}