find_cl3.aspx.cs

网上考试系统

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.Configuration;
using System.Data.SqlClient;

namespace ClassOnline
{
	/// <summary>
	/// Find_cl3 的摘要说明。
	/// </summary>
	public class Find_cl3 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblNoCl;
		protected System.Web.UI.WebControls.DataGrid dgdCl;
		protected System.Web.UI.WebControls.TextBox txtClname;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.TextBox txtGrad;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.RangeValidator RangeValidator1;
		protected System.Web.UI.WebControls.Button btnNext;
		string strSQL,strUrl;
		int i;
		SqlConnection objconn;
		SqlDataAdapter da;
		DataSet ds;
		SqlCommand objcmd;
		SqlDataReader dr;
	
		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.Count==0) Page.Response.Redirect("default.aspx");
			else 
				if(Session["UserID"].ToString()=="") Page.Response.Redirect("default.aspx");

			objconn=new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
			objconn.Open();
			strSQL="select CID,CName,Cgrad,Cnum,CManager1,CManager2,CType from ClassInfo where CSID="+Page.Request["SID"].ToString();
			
			da=new SqlDataAdapter(strSQL,objconn);
			ds=new DataSet();
			da.Fill(ds,"cl");
			ds.Tables["cl"].Columns.Add("t_name");
			ds.Tables["cl"].Columns.Add("m1");
			ds.Tables["cl"].Columns.Add("m2");

			/*Page.Response.Write("行数");
			Page.Response.Write(ds.Tables["cl"].Rows.Count);
			Page.Response.Write("<br>");*/

			for(i=0;i<ds.Tables["cl"].Rows.Count;i++)			
				if(ds.Tables["cl"].Rows[i]["CType"].ToString()!="")
				{
					strSQL="select CTypeName from ClassType where CTypeID="+ds.Tables["cl"].Rows[i]["CType"].ToString();
					objcmd=new SqlCommand(strSQL,objconn);
					dr=objcmd.ExecuteReader();
					while(dr.Read())				
						ds.Tables["cl"].Rows[i]["t_name"]=dr[0].ToString();
					dr.Close();
					objcmd.Dispose();
					/*Page.Response.Write("添加类型");
					Page.Response.Write(i);
					Page.Response.Write("<br>");*/
				}
				

			
			for(i=0;i<ds.Tables["cl"].Rows.Count;i++)
			{
				if(ds.Tables["cl"].Rows[i]["CManager1"].ToString()!="")
				{
					strSQL="select UserName from UserInfo where UserID="+ds.Tables["cl"].Rows[i]["CManager1"].ToString();
					objcmd=new SqlCommand(strSQL,objconn);
					dr=objcmd.ExecuteReader();
					while(dr.Read())
						ds.Tables["cl"].Rows[i]["m1"]=dr[0].ToString();
					dr.Close();
					objcmd.Dispose();
					/*Page.Response.Write("添加正");
					Page.Response.Write(i);
					Page.Response.Write("<br>");*/
				}
			}

			for(i=0;i<ds.Tables["cl"].Rows.Count;i++)
			{
				if(ds.Tables["cl"].Rows[i]["CManager2"].ToString()!="")
				{
					strSQL="select UserName from UserInfo where UserID="+ds.Tables["cl"].Rows[i]["CManager2"].ToString();
					objcmd=new SqlCommand(strSQL,objconn);
					dr=objcmd.ExecuteReader();
					while(dr.Read())
						ds.Tables["cl"].Rows[i]["m2"]=dr[0].ToString();
					dr.Close();
					objcmd.Dispose();
					/*Page.Response.Write("添加副");
					Page.Response.Write(i);
					Page.Response.Write("<br>");*/
				}
			}

			dgdCl.DataSource=ds.Tables["Cl"].DefaultView;
			dgdCl.DataBind();

			da.Dispose();
			objconn.Close();
		}

		#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.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnNext_Click(object sender, System.EventArgs e)
		{
			string PID="";string CityID="";string CTypeID="";
			objconn=new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
			objconn.Open();
			strSQL="select SProID,SCID,SType from School where SID="+Page.Request["SID"].ToString();
			
			objcmd=new SqlCommand (strSQL,objconn);
			
			dr=objcmd.ExecuteReader();
			while(dr.Read())
			{
				PID=dr[0].ToString();CityID=dr[1].ToString();CTypeID=dr[2].ToString();
			}
			dr.Close();
			objcmd.Dispose();
			
			strSQL="Insert into classinfo(CName,CPID,CityID,CSID,CDelFlag,CManager1,CType,Cnum,Cgrad) Values('";
			strSQL+=txtClname.Text+"',"+PID+","+CityID+","+Page.Request["SID"].ToString()+",0,"+Session["UserID"].ToString()+","+CTypeID+",1,"+txtGrad.Text.ToString()+")";
			objcmd=new SqlCommand(strSQL,objconn);
			objcmd.ExecuteNonQuery();
			objcmd.Dispose();


			strSQL="select CID from ClassInfo where CManager1="+Session["UserID"].ToString()+" ORDER BY CID DESC";
			objcmd=new SqlCommand(strSQL,objconn);
			dr=objcmd.ExecuteReader();
			dr.Read();
			strUrl="find_end.aspx?CID="+dr[0].ToString();
			objconn.Close();
			Page.Response.Redirect(strUrl);
		}
	}
}