addpaper.aspx.cs

在线考试系统： 1、为了保证示例代码正确运行

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 TestOnline
{
	/// <summary>
	/// AddPaper 的摘要说明。
	/// </summary>
	public class AddPaper : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label message;
		protected System.Web.UI.WebControls.Button btnaddquestion;
		protected System.Web.UI.WebControls.Button btnsave;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator5;
		protected System.Web.UI.WebControls.TextBox tbxscore;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator6;
		protected System.Web.UI.WebControls.TextBox tbxtime;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.TextBox tbxpaper;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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.btnsave.Click += new System.EventHandler(this.btnsave_Click);
			this.btnaddquestion.Click += new System.EventHandler(this.btnaddquestion_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnsave_Click(object sender, System.EventArgs e)
		{
			try
			{
				CreateTable();
				//创建数据库连接对象
				SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
				//打开数据库连接
				objconn.Open();
				//创建命令对象
				SqlCommand objcmd = new SqlCommand("AddPaper", objconn);
				objcmd.CommandType = CommandType.StoredProcedure;
                
				//试卷名称
				SqlParameter paramPaperName = new SqlParameter("@PaperName", SqlDbType.NVarChar, 50);
				paramPaperName.Value = tbxpaper.Text.ToString();
				objcmd.Parameters.Add(paramPaperName);
				//试卷名称
				SqlParameter paramPaperScore = new SqlParameter("@PaperScore", SqlDbType.Int);
				paramPaperScore.Value = tbxscore.Text.ToString();
				objcmd.Parameters.Add(paramPaperScore);
				//试卷名称
				SqlParameter paramTeacher = new SqlParameter("@Teacher", SqlDbType.NVarChar, 16);
				paramTeacher.Value = Session["username"].ToString();
				objcmd.Parameters.Add(paramTeacher);
				//试卷名称
				SqlParameter paramTotalTime = new SqlParameter("@TotalTime", SqlDbType.NVarChar, 50);
				paramTotalTime.Value = tbxtime.Text.ToString();
				objcmd.Parameters.Add(paramTotalTime);
                
				objcmd.ExecuteNonQuery();
				objconn.Close();
			}
			catch
			{
				message.Text = "数据库可能已经存在，请单击【添加试题】按钮后进行操作";
			}
		}
    void CreateTable()
	{
		//创建数据库连接对象
		SqlConnection objconn = new SqlConnection(ConfigurationSettings.AppSettings["connstr"]);
		//打开数据库连接
		objconn.Open();
		String papername = tbxpaper.Text.ToString();
        String objsql;
        objsql = "Create Table " + papername;
        objsql = objsql + "(QuestionID int Primary Key,";
        objsql = objsql + "QuestionType nvarchar(50),";
        objsql = objsql + "Question     nvarchar(4000),";
        objsql = objsql + "Answer       nvarchar(4000),";
        objsql = objsql + "Score        int,";
        objsql = objsql + "AutoFlag     int Default 0)";
       //创建命令对象
        SqlCommand objcmd = new SqlCommand(objsql, objconn);
        objcmd.ExecuteNonQuery();
        objconn.Close();
		}

		private void btnaddquestion_Click(object sender, System.EventArgs e)
		{
			String papername  = tbxpaper.Text;
			Session["papername"] = papername;
			Response.Redirect("AddQuestions.aspx");
		}
	}
}