teacherinfoview.aspx.cs

在线考试系统...asp.net

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;

namespace TestOnline
{
	/// <summary>
	/// teacherInfoView 的摘要说明。
	/// </summary>
	public class teacherInfoView : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lbl_count;
		protected System.Web.UI.WebControls.Label lbl_noResult;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.TextBox tbx_teacherId;
		protected System.Web.UI.WebControls.TextBox tbx_teacherName;
		protected System.Web.UI.WebControls.TextBox tbx_teacherPwd;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(Session["adminId"]==null)
				Response.Redirect("login.aspx");
		else
			{
			if(!IsPostBack)
			{
				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.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		void BindGrid() 
		{   
			DataSet ds=new DataSet();
			ds=(new projClass()).getTeacherAllInfo();
			DataTable dt=ds.Tables["teacherInfo"];
			DataView dv=new DataView(dt);
			
			DataGrid1.DataSource=dv;
			lbl_count.Text=dv.Count.ToString();
			if(dv.Count==0)
			{
				lbl_noResult.Visible=true;
				DataGrid1.Visible=false;
			}
			else
			{
				lbl_noResult.Visible=false;
				DataGrid1.Visible=true;
			}
			DataGrid1.DataBind();
			
		}

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(tbx_teacherId.Text.Trim()==""||tbx_teacherName.Text.Trim()==""||tbx_teacherPwd.Text.Trim()=="")
				Response.Write("<script>alert(\"请输入完整资料!\");</script>");
			else
			{
				int count=(new projClass()).ifTeacherExist(tbx_teacherId.Text.Trim());
				if(count==1)
                  Response.Write("<script>alert(\"该ID已经存在!请重新输入!\");</script>");
				else count=(new projClass()).insertTeacherinfo(tbx_teacherId.Text.Trim(),tbx_teacherPwd.Text.Trim(),tbx_teacherName.Text.Trim(),"none");
				if(count==0)
			Response.Write("<script>alert(\"插入失败!\");</script>");

			}
		}

	

	}
}