schkq1.aspx.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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 kqxt
{
	/// <summary>
	/// schkq1 的摘要说明。
	/// </summary>
	public class schkq1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.Label Label1;
	
		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(!this.IsPostBack)
				binddata();
		}

		#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.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		private void binddata()
		{
			DataSet myds=new DataSet();
			string conn=System.Configuration.ConfigurationSettings.AppSettings["connstr"];
			SqlConnection objconn=new SqlConnection(conn);
			string sqlstr="select kaoqin.stuID,student.stuName,courseName,status,dates from kaoqin,student,teacher where kaoqin.stuID=student.stuID  and kaoqin.thID=teacher.thID";
			SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
			mydata.Fill(myds,"kq");
			if(myds.Tables["kq"].Rows.Count>0)
			{
				DataGrid1.DataSource=myds.Tables["kq"].DefaultView;
				DataGrid1.DataBind();
			}
		}
		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			this.DataGrid1.Visible=true;
			
			string n=this.TextBox1.Text;
			DataSet myds=new DataSet();
			string conn=System.Configuration.ConfigurationSettings.AppSettings["connstr"];
			SqlConnection objconn=new SqlConnection(conn);
			if(n=="旷课")
			{
				string sqlstr="select kaoqin.stuID,student.stuName,courseName,status,dates from kaoqin,student,teacher where kaoqin.stuID=student.stuID and kaoqin.status='旷课' and kaoqin.thID=teacher.thID";
				SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
				mydata.Fill(myds,"kq");
				if(myds.Tables["kq"].Rows.Count>0)
				{
					DataGrid1.DataSource=myds.Tables["kq"].DefaultView;
					DataGrid1.DataBind();
				}
				else
					this.Label3.Text="无记录!";
				this.Label3.Text="";
			}
			if(n=="迟到")
			{
				string sqlstr="select kaoqin.stuID,student.stuName,courseName,status,dates from kaoqin,student,teacher where kaoqin.stuID=student.stuID and kaoqin.status='迟到' and kaoqin.thID=teacher.thID";
				SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
				mydata.Fill(myds,"kq");
				if(myds.Tables["kq"].Rows.Count>0)
				{
					DataGrid1.DataSource=myds.Tables["kq"].DefaultView;
					DataGrid1.DataBind();
				}
				else
					this.Label3.Text="无记录!";
				this.Label3.Text="";
			}
			if(n=="请假")
			{
				string sqlstr="select kaoqin.stuID,student.stuName,courseName,status,dates from kaoqin,student,teacher where kaoqin.stuID=student.stuID and kaoqin.status='请假' and kaoqin.thID=teacher.thID";
				SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
				mydata.Fill(myds,"kq");
				if(myds.Tables["kq"].Rows.Count>0)
				{
					DataGrid1.DataSource=myds.Tables["kq"].DefaultView;
					DataGrid1.DataBind();
				}
				else
					this.Label3.Text="无记录!";
				this.Label3.Text="";
			}
			if(n=="正常")
			{
				string sqlstr="select kaoqin.stuID,student.stuName,courseName,status,dates from kaoqin,student,teacher where kaoqin.stuID=student.stuID and kaoqin.status='正常' and kaoqin.thID=teacher.thID";
				SqlDataAdapter mydata=new SqlDataAdapter(sqlstr,objconn);
				mydata.Fill(myds,"kq");
				if(myds.Tables["kq"].Rows.Count>0)
				{
					DataGrid1.DataSource=myds.Tables["kq"].DefaultView;
					DataGrid1.DataBind();
				}
				else
					this.Label3.Text="无记录!";
				this.Label3.Text="";
			}
			if(n!="旷课"&&n!="迟到"&&n!="请假"&&n!="正常")
			{
				this.Label3.Text="对不起，无此情况，请重新输入！";
				this.DataGrid1.Visible=false;
			}
			
			objconn.Close();
		}

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